traffic and pavement impact assessment · b 11 november 2015 caroline thomas draft removal of...

58 c

Traffic and Pavement Impact Assessment

100,000t/annum Hard Rock Quarry

310 Gregors Creek Road, Gregors Creek

for

Edith Pastoral Company Pty Ltd

Date: January 2016

Final Report

Revision E

TRAFFIC AND PAVEMENT IMPACT ASSESSMENT

100,000T/ANNUM HARD ROCK QUARRY 310 GREGORS CREEK RD Lockyer Designs

F i n a l R e p o r t P a g e i

Document control sheet

If you have any questions regarding this document, please contact: Contact Officer Cameron Currie Title Director Phone: 07 46394 188 Job No: LD-1030

Version history

Revision No.

Date Prepared By Details

A 8 July 2015 Caroline Thomas Final – Peer reviewed by Cameron Currie (Quarry

and Concrete Batching Plant)

B

11 November 2015

Caroline Thomas

Draft Removal of Concrete Batching Plant and addition of Cumulative impact study – Peer

reviewed by Cameron Currie

C 24 November 2015 Caroline Thomas Revised draft

D 3 December 2015 Cameron Currie Final

E 22 January 2016 Caroline Thomas Minor amendments

Final Report

Approved by: Cameron Currie – RPEQ # 6860

Reference Material In preparing this report, reference has been made to the following: • Road Planning Design Manual – Chapter 13, Department of Main Roads, 2006 • Guideline for Assessment of Road Impacts of Development, Department of Main Roads, 2006 • Guidelines to Traffic Engineering Practice – Part 5 – Intersections at Grade; Austroads 2009 • RPDM – Interim Guide to Road Planning and Design Practice – Department of Main Roads, 2010 • Road Planning and Design Manual – Chapter 13, Department of Main Roads, 2006 • Transport Assessment Guide, Queensland Transport • Queensland Streets – The Institute of Municipal Engineering Australia, Queensland Division • Manual of Uniform Traffic Control Devices- Part 2 Traffic Control Devices for General Use – Department

of Main Roads, 2003 • SIDRA Intersection 6.1

52 Crescent Street (PO Box 383), Gatton Qld 4343 P: 07 5462 4785 F: 07 5462 1823

230 James Street (PO Box 18132) Toowoomba Qld 4350 P: 07 4639 4188 F: 07 4639 4622



F i n a l R e p o r t P a g e ii

Table of Contents EXECUTIVE SUMMARY ............................................................................................... 1 1 INTRODUCTION .................................................................................................. 3 1.1 Background and General Description ............................................................................................................... 3 1.2 Objective ............................................................................................................................................................ 3 1.3 Proposed Development ..................................................................................................................................... 3 2 EXISTING CONDITIONS ...................................................................................... 4 2.1 Development Site .............................................................................................................................................. 4 2.2 Existing Road Network ...................................................................................................................................... 4 2.2.1 General ............................................................................................................................................................... 4 2.2.2 Gregors Creek Road ........................................................................................................................................... 5 2.2.3 Brisbane Valley Highway ................................................................................................................................... 7 2.3.4 Gregors Creek Road/Brisbane Valley Highway intersection ............................................................................ 8 3 TRAFFIC GENERATION AND DISTRIBUTION ..................................................... 12 4 PAVEMENT IMPACT ASSESSMENT ..................................................................... 15 4.1 Brisbane Valley Highway AADT ....................................................................................................................... 15 4.2 Development Commercial Vehicles ................................................................................................................ 15 4.3 Equivalent Standard Axles ............................................................................................................................... 15 5 TRAFFIC IMPACTS ............................................................................................ 17 5.1 Gregors Creek Road ......................................................................................................................................... 17 5.2 Brisbane Valley Highway ................................................................................................................................. 17 5.3 Gregors Creek Road/Brisbane Valley Highway intersection .......................................................................... 17 6 LAYOUT AND ACCESS REVIEW .......................................................................... 19 6.1 Site Layout ....................................................................................................................................................... 19 6.2 Access Layout and Location ............................................................................................................................. 20 7 CUMULATIVE IMPACT ASSESSMENT ................................................................. 22 7.1 Background ...................................................................................................................................................... 22 7.2 Cumulative Traffic Impacts .............................................................................................................................. 22 7.3 Cumulative Pavement Impacts ....................................................................................................................... 22 8 CONCLUSIONS AND RECOMMENDATIONS ......................................................... 23 APPENDIX A SITE LAYOUT PLANS

APPENDIX B COUNCIL TRAFFIC DATA APPENDIX C LOCKYER DESIGNS TRAFFIC COUNT DATA APPENDIX D CRASH HISTORY DATA APPENDIX E DTMR TRAFFIC COUNT DATA APPENDIX F PAVEMENT IMPACT ASSESSMENT APPENDIX G SIDRA MOVEMENT SUMMARIES



F i n a l R e p o r t P a g e 1

EXECUTIVE SUMMARY This traffic and pavement impact assessment report addresses the proposed processing and crushing of 100,000t/annum hard rock quarry at 310 Gregors Creek Road. The investigation also included the assessment of a possible concrete batching plant in conjunction with the hard rock quarry. The assessment included consideration of growth on the road network. Of particular note is the inclusion in this assessment of another proposed quarry on Gregors Creek Road, which has not yet commenced operations, and is located further east. Lockyer Designs undertook a traffic and pavement impact assessment for the other quarry in 2013, finding peak day activity to be 28vpd, and peak hour of 8vph. These volumes are accounted for within background traffic growth of 137vpd over the design horizon. The interaction with children exiting/entering school buses and the school bus route, has operated in conjunction with other sand and gravel extraction operations on Gregors Creek Road that have occurred over time. This school bus route necessitates the partial time 80kph speed zone posted on school days as an existing condition. A road safety audit report, prepared for the proposed quarry further east on Gregors Creek Road, did not raise any additional issues with the school bus route between this proposals access and the Brisbane Valley Highway. The development will not significantly increase the number or increase the size of vehicles used, with the quarry generating, on average, an additional 22 truck and dog semi-trailer vehicle movements, and if the concrete batching plant were to proceed, an additional 29 truck movements for (body trucks/agitators). The recommendations on the assessment of the impact of the development on the road network are:

o Gregors Creek Road between the Brisbane Valley Highway and the proposed access warrants widening to seal and formation under background traffic volumes. The developer is recommended to make a contribution, on the basis of percentage increase over background traffic volumes.

o Gregors Creek Road/Brisbane Valley Highway intersection warrants upgrade under background traffic conditions, it is recommended that the developer make contribution towards these upgrades, on the basis of percentage increase over background traffic volumes at the intersection. Required improvements include:

o Channelised right-turn treatment, achieved through re-linemarking existing pavement,

o Suggest removal of the high speed left turn exit on to the Brisbane Valley Highway. o Consideration of providing V5 standard intersection lighting.

o Gregors Creek Road Pavement: o Pavement strength assessment suggested the development may increase the

pavement thickness required by 30mm. The difference in pavement required is recommended to be reflected by a maintenance and rehabilitation contribution.

o In considering the quantum of contribution, due consideration to the other proposed quarry should be made.

o Brisbane Valley Highway o Less than 5% increase in commercial vehicles north or south of Gregors Creek Road.

o Development Layout and Access: o No changes are recommended to the Gregors Creek Road access or internal access

road and crossing of the Brisbane River.




The cumulative impact study determined: o Traffic impacts:

o No additional upgrades are triggered by the inclusion of the Concrete Batching operations, though additional percentage contribution will need to be considered.

o Pavement impacts: o With the quarry and concrete batching plant operational, the addition commercial

vehicles result in a theoretical increase in pavement thickness on Gregors Creek Road between the development and the highway of 40mm in loaded directions.

o The combined development traffic will not increase commercial vehicles on the Brisbane Valley Highway by greater than 5%.




1 INTRODUCTION

1.1 Background and General Description Lockyer Designs has been engaged by Edith Pastoral Company to undertake a traffic impact assessment (TIA) of the proposed 100,000t/annum hard rock quarry at 310 Gregors Creek Road, Gregors Creek.

1.2 Objective The objective of this study is to evaluate the traffic operational impacts on the adjacent road network for a design horizon 10 years after the opening of the development. The development is expected to be operational in 2016 and therefore the 10yr design horizon for the purpose of this investigation is 2026. The report details the estimated traffic generated by the proposal and the impact of additional movements on surrounding streets, roads and intersections. The proposed development layout will be reviewed, and comment will be provided on the layout of the proposed connections onto the existing road network. A desktop pavement impact assessment has been undertaken. A cumulative impact assessment has also been undertaken to determine the cumulative impacts on the road network of undertaking this development simultaneously to the operation of a concrete batching plant (which is the subject of a separate application) on the site. Refer to section 7 for further discussion.

1.3 Proposed Development The proposed development will be a quarry producing a maximum of 100,000t per annum of quarry material, and will include an area for processing/crushing of extracted material. The quarry will employ up to five (5) staff including the supervisor living on-site in the existing residence. It has been assumed that the development will be operational between 6:30am to 5pm 6 days a week.




2 EXISTING CONDITIONS

2.1 Development Site

The development site is 369 hectares on lots 1-2 on RP75267, 1 on RP15328, 5 on RP41543, 2 on RP99954, 1 on CSH2113, and 3 on RP84104 at Gregors Creek Road, Yimbun, within the Somerset Regional Council area. The site is approximately 12km north of Toogoolawah on the eastern side of the Brisbane Valley Highway, and has direct frontage on to Gregors Creek Road. The proposed development will access Gregors Creek Road through an existing access. The lot currently appears to be undeveloped farming land. Occasional existing traffic movements for agricultural purposes will continue following the commencement of the quarry.

2.2 Existing Road Network 2.2.1 General

The locality of the proposed development site is shown in figure 2-1. The major components of the surrounding road network that may be impacted by the development include the following streets, roads and intersections:

• Gregors Creek Road; • Brisbane Valley Highway; • Gregors Creek Road/Brisbane Valley Highway, and;

Figure 2-1 Site locality

Approximate Site Access Location on Gregors Creek Road




2.2.2 Gregors Creek Road Gregors Creek Road is a local government controlled road with the following properties:

o West of Quarry – 0 to the site (3.1km) approx This section is between the Brisbane Valley Highway and the quarry site; Within this section Gregors Creek Road services a small number of farms and

rural residential properties. There is no posted speed on Gregors Creek Road, which therefore has a speed

limit of 100kph. Gregors Creek Road is a school bus route. On school days the speed limit is

posted as 80kph between 7am-9am, and 3pm-5pm. The school bus route on Gregors Creek Road, necessitates the speed limit to be posted as 80kph between 7am-9am, and 3pm-5pm on school days. The presence of a bus route is existing, and has operated in conjunction with the use of sand and gravel semi-trailer vehicles on this road for some time. There are no formal bus stops between the site and the Brisbane Valley Highway.

In this section, Gregors Creek Road has the following geometry: • 0-1km approx.- sealed pavement width of 3.8m on a 6m formation

(refer to figure 2-2); • 1-2km approx. 7.2m seal on 8m formation; • 2-3.1km; 6.5-7m sealed width with some sections of widening at

crests and horizontal curves, though not all. The road is generally quite windy, and included two dual lane bridges between the site access and the intersection with the Brisbane Valley Highway.

The pavement is generally in good condition within this section. Somerset Regional Council have traffic count data for this road, which

indicated that 0.5km east of the Brisbane Valley Highway intersection, daily traffic volumes were 241vpd in 2010.

Background traffic growth within the design horizon includes general development in the area (not yet proposed at this time), and the proposed quarry on Gregors Creek located 6km east of the intersection with Brisbane Valley Highway.

• Background traffic volumes are expected to increase to 285vpd by the opening year (2016), and 378vpd by the design horizon (2026).

• This is an increase of 137vpd from the 2010 traffic count data, which is primarily achieved through development in the area.

• Lockyer Designs undertook a traffic and pavement impact assessment for the quarry in 2013 and assessed peak day activity to be 28vpd, and 8vph in peak hour. These volumes are included in the assumed background traffic growth within the design horizon.

It is noted that according to Austroads, a 3.8m seal is appropriate for volumes under 150vpd. For the volumes recorded and anticipated on this road section, Austroads requires at least a 6.2m sealed pavement on 9.2m formation to cater for these volumes. Whilst a seal greater than 6.2m is achieved between 1km and the site, the formation width is generally less than 9.2m between the site access and the highway.




It is recommended that the narrow sections be widened to 6.2m seal on 8m formation, with further widening to 8m sealed pavement on 8m formation at substandard horizontal curves and crests.

Figure 2-2 Gregors Creek Road in vicinity of the Brisbane Valley Highway intersection

Figure 2-3 Gregors Creek Road in the vicinity of the site, at the bridge immediately west of the site

access

o East of Quarry – 3.1km to 22km approx. There is an approved quarry located approximately 5km east of the site. There is a 2-lane bridge over the Brisbane River at approximately 5.5km. This

appears to have been recently constructed parallel to a previous crossing, and is in the section with sealed pavement width of 10m.

This section is between the quarry site and the Esk-Kilcoy Road; Within this section, Gregors Creek Road services a small number of farms and

rural residential properties. In this section, Gregors Creek Road has the following geometry:




• 3.1-4.5; 6.5-7m sealed width with some sections of widening at crests and horizontal curves, though not all.

• 4.5-5.5km approx. - a sealed pavement width of 10m, including 2-lanes linemarked with centerlines and edgelines (refer to figure 2-3)

• 5.5-6km sealed pavement width of 3.8m on a 6m formation. • 2 single lanes bridges with give-way priority to eastbound and

westbound vehicles respectively; • Generally a 6.8m seal without linemarking, linemarked in parts where

the road becomes windy, to delineate centerline and edge lines. • There are a number of sub-standard horizontal curves and signed

crests. • The road width reduces to a 3.8m seal on 6m formation in the vicinity

of the quarry, from 6-9km The pavement is generally in good condition; No large traffic generators appear to exist in this section. It is noted that according to Austroads, a 3.8m seal is appropriate for volumes

under 150vpd. For the volumes recorded and anticipated on this road section, Austroads requires at least a 6.2m sealed pavement on 9.2m formation to cater for these volumes, which is not achieved in parts along this section of the road.

o It is noted that crash history data was obtained for Gregors Creek Road (refer to Appendix E). The crash history data shows a number of crashes have occurred on Gregors Creek Road between 2005 and 2013. The crashes are nearly all single vehicle accidents, except for one crash involving 2 vehicles hitting an animal. The crashes are the result of a diverse range of factors, including experience, speeding, fatigue, drink driving and inattention. Queensland Globe crash history data indicates no further crashes were recorded in 2014.

2.2.3 Brisbane Valley Highway The Brisbane Valley Highway (road section 42A) is a state-controlled road with the following properties in the vicinity of the development:

o A 2-lane cross-section with a 3.2m southbound lane and 3.8m northbound lane in the vicinity of the intersection with Gregors Creek Road, with 1.2m sealed shoulders;

o The Brisbane Valley Highway has approval for b-doubles in this section. o Posted speed 100kph; o Table drains either side; o DTMR traffic count data at site 32629 near Jimmy Gully approximately 7km north of

Gregors Creek Road indicates that volumes in 2012 were 2,755vpd (refer to Appendix E for manual traffic count data). Based on a 4% growth rate on the highway, traffic volumes will increase to 4,299vpd by the design horizon (2026). These volumes remain well within the capacity of the existing cross-section, with no upgrades required under background traffic conditions.




Figure 2-4 Brisbane Valley Highway in the vicinity of the Gregors Creek Road intersection (viewed

towards north)

2.3.4 Gregors Creek Road/Brisbane Valley Highway intersection The Gregors Creek Road/Brisbane Valley Highway intersection is a give-way sign controlled t-intersection with the following properties:

o The intersection is a forked t-intersection with high speed turn treatment on to the highway southbound from Gregors Creek Road (refer to figure 2-5). The fork is signed on the southbound Brisbane Valley Highway approach to indicate ‘no entry’. The remainder of the turn movements come to a perpendicular intersection with the highway (refer to figure 2-6).

o Lockyer Designs undertook a traffic count at the intersection of Gregor’s Creek Road and the Brisbane Valley Highway in 2013 (refer to Appendix C for traffic count data).

o The high velocity left turn from Gregors Creek into the Brisbane Valley Highway is undesirable, and it is noted that during the 11 ½ hour traffic count, 4 vehicles were observed turning right in to Gregors Creek Road using the left turn exit fork on to the highway. It is recommended that the intersection be realigned to remove this high speed turn treatment and retain the perpendicular alignment on the remaining fork of the intersection. There are currently ‘no entry’ signs on the highway side of this lane.

o The intersection currently has a short left turn lane (AUL(S)) into Gregors Creek Road; o The intersection is not lit; o There is a hazard board at the intersection opposite the Gregors Creek Road

approach; o No culverts under the intersection; o 12.2m seal on Brisbane Valley Highway at this point, including 1.2m sealed shoulders, o 7.8m seal on Gregors Creek Road approach to the intersection, decreasing to 3.8m

seal on 6m formation away from the intersection (refer to figure 2-8) o There is an AUR treatment at the intersection, which is no longer a treatment adopted

by DTMR due to the increased likelihood of rear end collisions associated with these movements.

o A wooden cross was observed on the north-eastern corner of the intersection.




o Crash history data was obtained for the intersection (refer to Appendix E). It indicates that 3 crashes occurred at the intersection in the period between 2005 and January 2013, including 2 crash the involved fatalities: In 2008 3 cars were involved in a collision wherein one southbound vehicle

undertook an illegal manoeuvre and collided with two northbound vehicles. There were 3 fatalities and 6 people hospitalized in the accident.

In 2005 2 cars were involved in a head-on collision between a northbound and southbound vehicle on the highway. This was not attributed to any specific cause in the data provided. The crash resulted in another 2 fatalities and 2 people treated at the scene.

A third crash in 2006 was a minor collision involving a vehicle turning right out on to the highway failing to give way and colliding with a vehicle heading south on the highway. The driver of the vehicle turning out of Gregors Creek Road was at fault for failing to give-way, and driver inexperience was noted as a factor in the cause of the accident.

o Queensland Globe data indicates an additional crash occurred in 2013, resulting from a vehicle hitting an animal, requiring hospitalization of one of the vehicle occupants. No crashes were recorded in 2014.

o A manual traffic count was undertaken at the Gregors Creek Road/Brisbane Valley Highway intersection in 2013 (refer to Appendix D for manual traffic count data). Based on a 4% growth rate on the highway and 3% on Gregors Creek Road, the intersection warrant a rural basic left turn treatment (BAL) at the intersection, and short channelised right turn treatment (CHR(s)) in the opening year (late 2015 or 2016), with the warrant for a full length channelised right turn treatment being met within the design horizon (2026) under background traffic conditions. It is noted that this may be able to be achieved within the existing pavement, through re-linemarking.

o V5 standard intersection lighting should be considered under background traffic volumes.

Figure 2-5 Intersection viewed towards southern fork (exit from Gregors Creek Road for southbound

traffic)




Figure 2-6 Intersection viewed towards northern fork (exit from Gregors Creek Road for northbound

traffic and entry)

. Figure 2-7 Brisbane Valley Highway in the vicinity of the Gregors Creek Road intersection (viewed

towards north)




Figure 2-8 Gregors Creek Road approach to intersection




3 TRAFFIC GENERATION AND DISTRIBUTION To establish the effect of the development of the site on the adjacent road network and to assess the need for any improvements to accommodate traffic generated by the site, traffic generation and trip distribution to the proposed development have been determined, based on the allowable production of the hard rock quarry, 100,000t per year. Occasional existing traffic movements for agricultural purposes will continue following the commencement of the quarry. These movements are existing background traffic movements, and are therefore not considered further for the assessment of external impacts of the development on the road network. Worker trips – Quarry The following has been adopted:

• The quarry will employ up to five (5) full-time workers including the site manager/supervisor who will live on-site.

• For peak and daily traffic generation purposes it is assumed: o That all workers will generate 2 trips/day to/from their residences, with 1 trip per

worker (aside from the site supervisor) in peak hour. The site supervisor is not expected to generate peak hour trips.

o Therefore, 10vpd, and 4vph in peak hour. • The staff distribution adopted is:

o Site supervisor – no trips in peak hour. Outside peak hour, to/from the west. o 2 staff living on Gregors Creek Road locally, west of the quarry. o 2 employees from Esk.

• The site will be operational between 6:30am and 5pm 6 days per week. • Refueling trucks (body trucks), 3 times per week, totaling 6 trips per week. • Some service vehicles and refuse collection vehicles will also occasionally come to the site.

Service vehicles or refuse collection vehicles are only expected infrequently, and not in peak hour.

Heavy Vehicles The following has been adopted: o Based on an allowable production of 100,000t per year, operation 50 weeks per year and 6

days per week. Using a 30t truck and dog combination (19m), this equates to 11.1 laden trips per day on an average working day. It is further assumed that the export of materials off-site will occur only 50% of the time, resulting in 22 laden trips per day during times of peak operation, and 22 unloaded trips, with a total of 44 trips. 30t loads were adopted for the semi-trailer/truck and dog combination that is capable of taking 33t.

o It is expected that no vehicles will stay on-site overnight as they all travel to the site and the delivery vehicles will not be fleet vehicles associated with the quarry. It is assumed that trucks arrive and depart using the same distribution as the haulage.

It is assumed that 4 trips occur in peak hour, with a 50/50 in out split, 2vph inbound and 2vph outbound.




Distribution Based on discussions with the client, it was determined that the majority of trips will be to and from Esk or further south via the Brisbane Valley Highway, with 100% of trips to/from the Brisbane Valley Highway, and no haulage in the direction of Kilcoy (east of the site along Gregors Creek Road). At the intersection with the Brisbane Valley Highway, it is expected that 50% of vehicles will head south, and 50% will head north. A sensitivity analysis has been undertaken with 70% to/from the south and 30% to from the north. Note, all fuel trucks are assumed to be from Brisbane. As discussed above, of the 5 full-time staff, 1 lives on-site, 2 live in Esk and 2 west of the site on Gregors Creek Road. The distribution adopted for light vehicles reflects these percentages. Total development trips The development is expected to generate the following 6 trips in the AM peak hour at the Brisbane Valley Highway/Gregors Creek Road intersection. The reverse will occur in the PM peak hour.

- 1 movements left-in to Gregors Creek Road o 1 truck and dog

- 1 movements right-out of Gregors Creek Road o 1 truck and dog

- 3 movements right-in to Gregors Creek Road o 2 workers o 1 truck and dog

- 1 movements left-out of Gregors Creek Road o 1 truck and dog

The effect of the 30%/70% north/south sensitivity test is an increase in right-in and left-out movements to 1.4vph on each movement (2vph with rounding). This is not a significant increase and would not have a bearing on the need to upgrade the intersection. A 30%/70% distribution has therefore not been considered further. Peak Daily Trips on Gregors Creek Road west of site:

- 10 owner/worker trips, - 44 truck and dog trips - 2 refuelling body truck trips - Total Daily Trips = 54 trips.

Average Daily Trips on Gregors Creek Road west of site:

- 10 owner/worker trips, - 44 truck and dog trips - 2 refuelling body truck trips - Total Daily Trips = 34 trips.




For the purposes of this study and in consideration of the above discussion, the following traffic generation figures have been adopted:

Peak Daily Traffic 54 trips/day (including 44 truck and dog movements and 2 body trucks)

Average Daily Traffic 34 trips/day (including 22 truck and dog movements and 2 body trucks)

Peak Traffic 8 trips/hour (including 4 truck and dog movements),

with only 6 trips/hour reaching the intersection with Brisbane Valley Highway

Only very infrequent trips are expected to the east of the site on Gregors Creek Road, with no significant haulage proposed in this direction. Due to the negligible volumes east of the site associated with the development, this section of Gregors Creek Road (and the intersection with the Esk-Kilcoy Road) has not been investigated further.




4 PAVEMENT IMPACT ASSESSMENT An investigation was undertaken into the pavement impacts of the development. The spreadsheet used for calculation of the development commercial vehicle ESA’s over the 20 year pavement design horizon is included in Appendix C.

4.1 Brisbane Valley Highway AADT

The AADT and commercial vehicle percentages were taken from DTMR traffic count data for site 32629 on the Brisbane Valley Highway (42A). Refer to Appendix B for the DTMR data.

4.2 Development Commercial Vehicles

The development AADT for the purpose of the pavement investigation does not include light vehicles, for the purpose of calculating ESAs. The AADT adopted was based on 100,000t maximum production per year, operating 50 weeks per year, 6 days a week. Conservatively assuming a 19m truck and dog combination (30t) arrangement (class 10) for all heavy vehicles, this equates to 20.2 trucks per day. Calculation of AADT requires averaging across 365 days. Based on a 0/100 east/west split on to Gregors Creek Road, 50/50 north/south split at the Brisbane Valley Highway and 50/50 in/out split, it is conservatively assumed that the addition to commercial vehicle AADT on the roads will be as per Table 4-1 (refer to Appendix C for the pavement impacts assessment spreadsheet). It is noted that this differs to the daily traffic volumes adopted for assessment of intersection operation as this calculation does not require taking into consideration any peak periods of operation throughout the year.

West of Quarry 100% East of Quarry 0%AADT Eastbound 10.1 AADT Eastbound 0.0

Westbound 10.1 Westbound 0.0

North of Intersection 50% South of Intersection 50%AADT Northbound 4.6 AADT Northbound 5.1

Southbound 4.6 Southbound 5.1

Gregors Creek Road

Brisbane Valley Highway

Table 4-1 Increase in commercial vehicle AADT resulting from development

It is noted that the ESA’s adopted for this analysis were those issued by DTMR Darling Downs in previous correspondence for a pavement impact assessment of the Warrego Highway between Toowoomba and Dalby (18B). The ESA’s assumed for a class 10 19m truck and dog combination vehicle was 4. The refuelling truck was assumed to be class 5 four axle truck. It is noted that this ESA was adopted for both empty and full heavy vehicles traffic generated by the development as it is considered the average. The yearly volumes (and resultant AADT) used for ESA calculations are considered to be highly conservative as they have not taken into consideration that the site may not be at full production throughout the 20 year design horizon. 4.3 Equivalent Standard Axles Table 4-2 and 4-3 lists the percentage of additional ESAs the development will add over the 20 year design horizon, as per the ESA calculation spreadsheet in Appendix C.




Background traffic ESAs over 20 year horizon

Development traffic ESAs over 20 year horizon

Percentage Increase in ESAs

Eastbound (Against Gazettal) 2.91E+05 3.23E+05 110.95%

Westbound (Gazettal) 3.65E+05 3.23E+05 88.27%

Table 4-2: Percentage increase in ESAs on Gregors Creek Road resulting from the development over the 20 year pavement design horizon

Background traffic ESAs over 20 year horizon


% increase Background traffic ESAs over 20 year horizon


% increase

Northbound (Gazettal) 7.50E+06 1.48E+05 1.97% 7.50E+06 1.44E+05 1.91%Southbound (Against Gazettal) 6.97E+06 1.48E+05 2.12% 6.97E+06 1.44E+05 2.06%

North of Intersection with Gregors Creek Road South of Intersection with Gregors Creek Road

Table 4-3: Percentage increase in ESAs on Brisbane Valley Highway resulting from the development

over the 20 year pavement design horizon, north and south of Gregors Creek Road

The following comments are made on the development impact on ESA’s over the design horizon:

• As shown above, the percentage increase in volumes on the Brisbane Valley Highway will be less than 5% over the course of the design horizon. The conservative assessment of the increase in ESA’s are considered relatively minor and as a result, further pavement impact assessment, the age of the network, the remaining life, the costs of maintenance, or the length of development impact on pavement were not carried out.

• With much lower existing traffic, the development will have a more significant impact on the ESA’s on Gregors Creek Road. Given the differences in age and standard of the section of Gregors Creek Road and the early stage of this proposal, a desktop review of the impacts on Gregors Creek Road based on an “assumed” CBR 5 and likely CBR 45 base layer results in an approximate 10% increase in pavement depth.

o Based on a subgrade soaked CBR of 5 on Gregors Creek Road, the development will increase the pavement thickness requirements by 30mm in loaded directions.

o It is recommended that the difference in pavement required be reflected in a contribution towards maintenance and rehabilitation of Gregors Creek Road.

o In considering a contribution due to a percentage increase in ESA’s on Gregors Creek Road, the similar size proposed quarry on Gregors Creek Road by Russell and Sons, east of this site, is expected to generate similar traffic volumes and composition to this proposal.




5 TRAFFIC IMPACTS 5.1 Gregors Creek Road

The development will add 34vpd on an average working day to Gregors Creek Road to the west of the development access, and 54vpd on peak days. This is greater than a 5% increase on background traffic volumes. Under background traffic conditions, this section warrants widening to 6.2m seal on 8m formation, with further widening to 8m sealed pavement on 8m formation at substandard horizontal curves and crests. The addition of the development volumes will increase volumes on this length from 378vpd to approximately 412vpd on average, and 432vpd on a peak day at the design horizon (2026). These volumes will not trigger further upgrades. It is recommended that the developer contribute to the upgrades required on the basis of percentage increase in volumes on Gregors Creek Road in this section. The presence of a bus route on Gregors Creek Road is existing, as is the use of the semi-trailer vehicles on this road. The development will not increase the size of vehicles used on the road, or significantly increasing the number of vehicles. The quarry will on average add an extra 22 truck and dog semi-trailer vehicles, and an extra 29 trucks for the concrete batching plant (primarily body trucks/agitators). Interaction of these vehicles with school buses or children exiting/entering school buses are an existing condition. Lockyer Designs also undertook a road safety audit report for the Claude Russell Submission, which did not raise any additional issues with the school bus route.

5.2 Brisbane Valley Highway

The development will add 30vpd to the Brisbane Valley Highway south of Gregors Creek Road, and 22vpd north of Gregors Creek Road. This will increase volumes on Brisbane Valley Highway at the design horizon from 4,308vpd to 4,329vpd to the north and 4,312vpd to the south of the intersection. These volumes remain well within the capacity of the existing cross-section on the Brisbane Valley Highway, and no upgrades are warranted as a result of the addition of development traffic to the intersection.

5.3 Gregors Creek Road/Brisbane Valley Highway intersection

The development will add 6vph to the Gregors Creek Road/Brisbane Valley Highway intersection. The addition of the turning volumes will be greater than a 5% increase in turning volumes at the intersection, however they will not trigger the need for a higher standard of intersection treatments than warranted under background traffic volumes. The following is warranted under background traffic, and is unchanged with the addition of development traffic.

• Provision of a channelised right turn treatment. This may be able to be achieved through re-linemarking the existing pavement.

• Realignment of the intersection to remove the high speed left turn exit on to the Brisbane Valley Highway.

• No upgrades are required to the left turn treatment in to Gregors Creek Road, with or without the addition of development traffic.

• Consideration of providing V5 standard intersection lighting.




• It is noted that there will be 1vph haulage vehicles on the left turn movement on to the Brisbane Valley Highway in peak hour. A sensitivity test of 70%/30% south/north split versus the 50%/50% adopted indicated that this would only reach 1.4 vph in peak hour. Whilst there is an incline just south of the intersection, the total volumes on the Brisbane Valley Highway in peak hour will remain minor (226vph southbound at the design horizon of 2026). The addition of 1-1.4vph of 19m 30t haulage vehicles on to the left turn movement on to the highway is very minor, and does not warrant the provision of an acceleration lane.

• It is noted that the maximum vehicle used by the site is an as-of-right 19m truck and dog combination. Therefore, the current intersection configuration is assumed to be suitable for this vehicle, and swept path analysis is not required.

• The additional vehicles at the intersection will include a maximum of only 6 additional vehicles and peak hour traffic on Brisbane Valley Highway will remain minimal (less than 600vph bi-directional). SIDRA analysis was undertaken, and showed that there is significant spare capacity at the intersection, with minimal delays on all movements. The maximum delay is experienced on the right out, with 22 seconds delay. It is noted that adding higher volumes to the right out movement (sensitivity analysis was undertaken for 10vph) does not appear to significantly impact on the delays (<1s variation). Refer to Appendix G for SIDRA movement summaries.




6 LAYOUT AND ACCESS REVIEW

6.1 Site Layout The proposed site layout plans are included in Appendix A. The layout has been reviewed as follows:

• It is noted that there will be adequate space onsite to accommodate swept path of maneuvering of all vehicles.

• The site layout has been designed to ensure that all vehicles can enter and exit the site in a forward gear.

• The car park will be designed in accordance with AS2890, including adequate staff and visitor parking. It is understood that the staff and visitor parks will be unsealed, and the PWD park and corresponding shared space will be concrete.

• Internally, total daily volumes in peak periods of the year are expected to be 54vpd including 44 truck and dog movements, 22 of which will be loaded, with additional infrequent trips for agricultural purposes (unchanged from existing). On this basis:

o There are currently pullover areas either side of the floodway. o The existing internal gravel access road standard is considered acceptable for the

low volumes of vehicles anticipated. o No upgrades are recommended to the existing crossing of the Brisbane River

(shown in figure 6-1). o Considering the low volumes anticipated, no upgrades are recommended to the

existing standard of the internal access road and crossing of the Brisbane River.

Figure 6-1: Internal road and culvert




Figure 6-2: Existing internal access road

6.2 Access Layout and Location

The proposed access layout and location has been assessed as follows:

- The access has sufficient visibility for a 90kph design speed (80kph posted speed). - At the location of the access, Gregors Creek Road is 8m wide. - With only 12vph turning into the access in peak hour, and only minimal volumes on

Gregors Creek Road to the design horizon (less than 500vpd), no turn treatments are recommended.

- The access is capable of catering for semi-trailers within the existing access width.

Figure 6-3: Existing access on to Gregors Creek Road viewed from west




Figure 6-4: Existing access on to Gregors Creek Road viewed from opposite




7 CUMULATIVE IMPACT ASSESSMENT

7.1 Background A concrete batching plant may be established on the site in association with the extractive industry use, and is the subject of another development application. The concrete batching will be co-located with the quarry. Refer to report for the separate development application titled ‘Concrete Batching Plant, 310 Gregors Creek Road’ (2015) prepared by Lockyer Designs in 2015 for further discussion of the traffic and pavement impacts of this proposal, and the derivation of traffic generation and distribution for the proposal.

7.2 Cumulative Traffic Impacts The cumulative traffic impacts were assessed as follows:

- Total development volumes on Gregors Creek Road 87vpd. The total volumes will not trigger a higher standard cross-section on Gregors Creek Road.

- Total development volumes on Brisbane Valley Highway approximately 39vpd north of the intersection and 47vpd south of the intersection with Gregors Creek Road. The additional volumes will not trigger the need for upgrading Brisbane Valley Highway from a geometric perspective.

- The intersection of Brisbane Valley Highway with Gregors Creek Road will have total additional peak hour traffic of 12vph. No additional warrants will be triggered as a result of the cumulative traffic. SIDRA analysis indicates that the intersection will continue to operate acceptably to the design horizon with the addition of both development’s traffic volumes (refer to Appendix F for SIDRA movement summaries).

7.3 Cumulative Pavement Impacts

The cumulative pavement impacts were assessed as follows:

- The combined ESAs of the concrete batching plant and the quarry will not increase the ESAs on the Brisbane Valley Highway by greater than 5%.

- The combined ESAs of the concrete batching plant and the quarry will increase the ESAs on Gregors Creek Road by 122% eastbound and 97% westbound, west of the quarry. The total ESAs in either direction will be in the order of 7 x 105, and will require total additional pavement of 40mm, using the same methodology as discussed in section 4.3.

Refer to Appendix F for further details of the pavement impact assessment.




8 CONCLUSIONS AND RECOMMENDATIONS

The traffic impact assessment has shown that there are no traffic engineering reasons why the proposed development should not be approved. The following are recommendations for works to mitigate the impact of the proposed quarry on the surrounding roads and intersections. Roads: Gregors Creek Road:

o Under background traffic conditions the section of Gregors Creek Road between the Brisbane Valley Highway and the proposed development access warrants widening to 6.2m seal on 8m formation, with further widening to 8m sealed pavement on 8m formation at substandard horizontal curves and crests.

o As these upgrades are warranted under background traffic conditions, it is recommended that the developer make a contribution only towards these upgrades, on the basis of percentage increase in volumes over background traffic volumes.

Intersections: Gregors Creek Road/Brisbane Valley Highway intersection:

o Under background traffic conditions the following upgrades are warranted: Provision of a channelised right turn treatment. It is noted that this may be

able to be achieved within the existing pavement, through re-linemarking. Realignment of the intersection to remove the high speed left turn exit on to

the Brisbane Valley Highway. Consideration of providing V5 standard intersection lighting. An acceleration lane for left turns on to the highway is not recommended.

o As these upgrades are warranted under background traffic conditions, it is recommended that the developer make a contribution only towards these upgrades, on the basis of percentage increase in volumes at the intersection over background traffic volumes.

Pavement Impacts Gregors Creek Road:

o Based on a subgrade soaked CBR of 5 on Gregors Creek Road, the development will increase the pavement thickness requirements from by 30mm in both directions.

o It is recommended that the difference in pavement required be reflected in a contribution towards maintenance and rehabilitation of Gregors Creek Road.

o In considering percentage increase in ESA’s on Gregors Creek Road, it is noted that there is another quarry of a similar size proposed on Gregors Creek Road by Russell and Sons, east of this site, which is expected to generate similar traffic volumes and composition.




Development Layout and Access No recommendations are made for alterations to the access on to Gregors Creek Road or internal access road and crossing of the Brisbane River.

Cumulative Assessment The cumulative impact study determined:

o Traffic impacts: Total development volumes on Gregors Creek Road 87vpd. The cumulative

volumes do not trigger additional upgrades to those recommended with the addition of either development’s traffic volumes.

Total development volumes on Brisbane Valley Highway approximately 39vpd north of the intersection and 47vpd south of the intersection with Gregors Creek Road. The additional volumes will not trigger the need for upgrading Brisbane Valley Highway from a geometric perspective.

The intersection of Brisbane Valley Highway with Gregors Creek Road will have total additional peak hour traffic of 12vph. No additional warrants will be triggered as a result of the cumulative traffic. SIDRA analysis indicates that the intersection will continue to operate acceptably to the design horizon with the addition of both developments’ traffic volumes (refer to Appendix F for SIDRA movement summaries). No upgrades are triggered due to the cumulative impacts, additional to those recommended due to either development assessed in isolation.

o Pavement impacts: With the quarry and concrete batching plant operational, the added ESAs

result in an increase the pavement thickness required on Gregors Creek Road between the development and the highway by 40mm in loaded directions.

The combined development traffic will not increase ESAs on the Brisbane Valley Highway by greater than 5%.



F i n a l R e p o r t

APPENDIX A SITE LAYOUT PLANS

310 GREGORS CREEK ROAD

PROPOSED EXTRACTIVE INDUSTRY

CONCEPT SITE DEVELOPMENT

LD-1030

LD-1030-SK01

C

LS

SK07

C

C

310 GREGORS CREEK ROAD

PROPOSED EXTRACTIVE INDUSTRY

CRUSHING, SCREENING AND WASHING PLANT LAYOUT

LD-1030

LD-1030-SK04

C

1

-


310 GREGORS CREEK RD Lockyer Designs


APPENDIX B COUNCIL TRAFFIC DATA




APPENDIX C MANUAL TRAFFIC COUNT DATA




Location: Gregors Creek Road/Brisbane Valley Highway

Day, Date: Thursday 27/3/2013

TimeCars Cars Cars Cars Cars Cars

Light Semi Light Semi Light Semi Light Semi Light Semi Light Semi6.30-6.45 0 0 0 0 0 0 0 0 0 0 0 0 12 3 0 11 0 0 266.45-7.00 2 0 0 0 0 0 0 0 0 2 0 0 7 1 0 15 2 1 307.00-7.15 0 0 0 0 1 0 1 0 0 2 0 0 12 3 3 14 1 4 417.15-7.30 1 1 0 1 0 0 0 0 0 1 0 0 13 4 2 20 1 4 487.30-745 1 0 0 0 0 0 0 0 0 1 1 0 14 1 0 11 0 2 317.45-8.00 0 0 0 1 1 0 0 0 0 1 0 0 18 1 0 23 4 0 498:00-8:15 8 0 0 0 0 0 0 0 0 2 0 0 18 0 1 16 2 0 478:15-8:30 3 3 0 0 0 0 0 0 0 7 1 0 43 2 4 28 3 4 988:30-8:45 2 0 0 1 0 0 1 0 0 0 0 0 11 2 1 31 1 2 528:45-9:00 0 0 0 0 0 0 0 1 0 3 0 0 32 4 2 24 3 5 749:00-9:15 1 0 0 0 0 0 1 0 0 1 0 0 24 2 2 31 2 1 659:15-9:30 2 0 0 0 0 0 0 1 0 1 0 0 15 4 2 33 2 3 639:30-9:45 1 0 0 0 0 0 2 0 0 9 0 0 25 1 2 35 3 0 789:45-10:00 2 1 0 0 0 0 0 0 0 2 0 0 31 5 3 36 4 3 8710:00-10:15 1 0 0 1 0 0 0 0 0 3 0 0 40 3 5 28 0 3 8410:15-10:30 2 0 0 0 0 0 0 0 0 0 0 0 28 1 1 29 3 2 6610:30-10:45 3 1 0 0 0 0 0 0 0 1 0 0 35 3 1 21 4 2 7110:45-11:00 3 0 0 0 0 0 0 0 0 2 1 0 35 3 1 35 0 3 8311:00-11:15 6 0 0 0 0 0 0 0 0 1 0 0 47 2 3 30 0 2 9111:15-11:30 1 1 0 0 0 0 0 0 0 2 0 0 27 1 2 25 1 1 61

12:00-12:15 1 1 0 0 0 0 0 0 0 5 0 0 38 3 0 21 1 1 7112:15-12:30 1 0 0 0 0 0 0 0 0 2 0 0 39 1 2 24 1 3 7312:30-12:45 1 0 0 0 0 0 0 0 0 2 0 0 29 2 2 35 3 2 7612:45-1:00 3 0 0 0 0 0 0 0 0 0 0 0 20 1 4 21 4 4 571:00-1:15 3 0 0 1 0 0 0 0 0 2 0 0 16 0 3 44 7 5 811:15-1:30 3 0 0 0 0 0 0 0 0 7 0 0 44 5 4 36 3 4 1061:30-1:45 7 0 0 0 0 0 0 0 0 3 0 0 43 0 1 32 2 2 901:45-2:00 2 0 0 0 0 0 1 1 0 5 0 0 49 3 1 8 3 1 742:00-2:15 1 0 0 0 0 0 0 0 0 4 0 0 46 2 3 32 1 2 912:15-2:30 5 0 0 0 0 0 0 0 0 0 0 0 44 6 4 22 1 2 842:30-2:45 2 0 0 0 1 0 0 0 0 3 0 0 39 4 3 35 2 1 902:45-3:00 3 0 0 0 0 0 0 0 0 3 0 0 49 3 2 22 2 0 843:00-3:15 3 0 0 1 0 0 0 0 0 4 0 0 43 2 4 40 1 3 1013:15-3:30 1 1 0 0 0 0 0 0 0 2 0 0 37 4 0 30 3 0 783:30-3:45 6 0 0 0 0 1 1 0 0 3 0 1 28 2 2 46 0 4 943:45-4:00 2 0 0 0 0 0 0 2 0 0 1 0 72 4 3 34 2 1 1214:00-4:15 1 1 0 0 0 0 0 0 0 3 0 0 31 2 2 34 3 0 774:15-4:30 0 0 0 0 1 0 1 0 0 4 1 0 63 5 2 29 1 4 1114:30-4:45 3 0 0 0 0 0 1 0 0 3 0 0 37 0 0 28 2 1 754:45-5:00 3 0 0 0 0 0 1 0 0 2 2 0 54 1 3 30 3 1 1005:00-5:15 7 1 0 0 0 0 1 0 0 2 0 0 53 3 3 46 2 2 1205:15-5:30 1 0 0 0 0 0 0 0 0 2 0 0 52 1 3 19 0 2 805:30-5:45 1 0 0 0 0 0 0 0 0 3 0 0 50 2 2 23 0 3 845:45-6:00 2 0 0 1 0 0 0 0 0 3 0 0 59 0 2 24 1 1 93

Sub Total 101 11 0 7 4 1 11 5 0 108 7 1 1522 102 90 1211 84 91 3356TotalTrucks %

Total Small HV Semi or larger Total Small HV Semi or larger Total Small HV Semi or larger Total Small HV Semi or larger Total Small HV Semi or larger Total Small HV Semi or larger AM Peak 7 14% 0% 1 0% 0% 2 0% 0% 14 0% 0% 145 7% 8% 146 7% 5% 169AM Peak 14 7% 0% 1 100% 0% 4 0% 0% 14 21% 0% 224 4% 4% 149 5% 5% 175

Peak HourLeft out of Gregors Creek Rd

TotalsStraight through Brisbane Valley Highway Straight through Brisbane Valley Highway Right out of Gregors Creek Road Left off Brisbane Valley Hwy into Gregors Creek

171411%

1161242% 7%

Right off Brisbane Valley Hwy into Gregors Creek

112 1610% 31%

Totals

Weather Conditions: Overcast/Showering in AM

Left out of Gregors Creek Rd Left off Brisbane Valley Hwy into Gregors Creek Road

Right off Brisbane Valley Hwy into Gregors Creek Road

Right out of Gregors Creek Road

Movement 1 9 Movement 2 8 Movement 3 Straight through Brisbane Valley Highway

(Northbound)

Movement 4 Movement 5 A Movement 6Straight through Brisbane Valley Highway

(Southbound)

13%1386

Heavy vehicles Heavy vehicles Heavy vehicles Heavy vehiclesHeavy vehicles Heavy vehicles


Lockyer Designs


APPENDIX D CRASH HISTORY DATA




Crashes on Gregors Creek Road Crashes near Brisbane Valley Hwy/Gregors Creek Road intersection Reported road traffic crashes along Gregors Creek Road, along the Brisbane Valley Highway within the defined subject area and along Esk Kilcoy Road within the defined subject areaFatal crashes: 1 January 2005 to 31 January 2013Hospitalisation crashes: 1 January 2005 to 30 November 2012Non serious crashes: 1 January 2005 to 30 September 2010

CRASH_REF_NUMBER CRASH_SEVERITY

CRASH_LONGITUDE_GDA94

CRASH_LATITUDE_GDA94 CRASH_STREET

CRASH_STREET_INTERSECTING

CRASH_ROADSECTION_ID

CRASH_ROADSECTION_THRU_DIST CRASH_DIST

CRASH_UNIT

CRASH_DIRECTION CRASH_LANDMARK CRASH_AREA CRASH_NATURE

CRASH_YEAR

CRASH_MONTH CRASH_DAY

CRASH_TIME CRASH_SPEED_LIMIT CRASH_ROADWAY_FEATURE CRASH_HORIZ_ALIGN

1 Fatal 152.4121 -26.9807 Gregors Creek Rd 1.8 KM West of POHLMANS RANGE RD GREGORS CREEK Hit object 2009 May Wednesday 8am 100 - 110 km/h No Roadway Feature Curved - view obscured2 Fatal 152.3685 -27.0169 Brisbane Valley Hwy 42A 80.54 6 KM South of HARLIN GREGORS CREEK Head-on 2008 April Friday 7pm 100 - 110 km/h No Roadway Feature Curved - view open2 Fatal 152.3685 -27.0169 Brisbane Valley Hwy 42A 80.54 6 KM South of HARLIN GREGORS CREEK Head-on 2008 April Friday 7pm 100 - 110 km/h No Roadway Feature Curved - view open2 Fatal 152.3685 -27.0169 Brisbane Valley Hwy 42A 80.54 6 KM South of HARLIN GREGORS CREEK Head-on 2008 April Friday 7pm 100 - 110 km/h No Roadway Feature Curved - view open3 Fatal 152.3687 -27.0153 Brisbane Valley Hwy 42A 80.7 200 M North of GREGORS CREEK RD GREGORS CREEK Hit pedestrian 2008 December Thursday 7pm 100 - 110 km/h No Roadway Feature Curved - view obscured3 Fatal 152.3687 -27.0153 Brisbane Valley Hwy 42A 80.7 200 M North of GREGORS CREEK RD GREGORS CREEK Hit pedestrian 2008 December Thursday 7pm 100 - 110 km/h No Roadway Feature Curved - view obscured4 Fatal 152.3685 -27.0174 Brisbane Valley Hwy 42A 81.05 80 M North of GREGOR CREEK ROAD TOOGOOLAWAH Sideswipe 2005 June Friday 5pm 100 - 110 km/h No Roadway Feature Curved - view open4 Fatal 152.3685 -27.0174 Brisbane Valley Hwy 42A 81.05 80 M North of GREGOR CREEK ROAD TOOGOOLAWAH Sideswipe 2005 June Friday 5pm 100 - 110 km/h No Roadway Feature Curved - view open5 Property damage 152.46 -26.9593 Gregors Creek Rd 0 M South of OUTSIDE NO 1349 KILCOY Hit animal 2005 April Tuesday 4pm 100 - 110 km/h No Roadway Feature Straight5 Property damage 152.46 -26.9593 Gregors Creek Rd 0 M South of OUTSIDE NO 1349 KILCOY Hit animal 2005 April Tuesday 4pm 100 - 110 km/h No Roadway Feature Straight6 Property damage 152.4891 -26.9667 Gregors Creek Rd 200 M East of MANY VIEWS ROAD KILCOY Overturned 2005 May Sunday 6pm 80 - 90 km/h No Roadway Feature Curved - view open7 Medical treatment 152.3682 -27.0223 Brisbane Valley Hwy 42A 79.62 500 M South of GREGORS CREEK ROAD TOOGOOLAWAH Overturned 2006 January Thursday 5am 100 - 110 km/h No Roadway Feature Straight8 Property damage 152.3983 -26.9875 Gregors Creek Rd 0 M North of ALF WILLIAM BRIDGE TOOGOOLAWAH Hit object 2006 March Tuesday 11pm 100 - 110 km/h No Roadway Feature Curved - view obscured9 Medical treatment 152.3686 -27.0127 Brisbane Valley Hwy 42A 80.81 470 M North of GREGORS CREEK RD GREGORS CREEK Overturned 2009 May Wednesday 11pm 100 - 110 km/h No Roadway Feature Curved - view obscured

10 Hospitalisation 152.3685 -27.0253 Brisbane Valley Hwy 42A 79.42 800 M South of GREGORS CREEK ROAD TOOGOOLAWAH Hit object 2005 May Sunday 8am 100 - 110 km/h No Roadway Feature Straight11 Property damage 152.3685 -27.0181 Brisbane Valley Hwy Gregors Creek Rd 42A 80.54 GREGORS CREEK Angle 2006 October Sunday 1pm 100 - 110 km/h Intersection - T Junction Straight11 Property damage 152.3685 -27.0181 Brisbane Valley Hwy Gregors Creek Rd 42A 80.54 GREGORS CREEK Angle 2006 October Sunday 1pm 100 - 110 km/h Intersection - T Junction Straight12 Property damage 152.3685 -27.0141 Brisbane Valley Hwy 42A 81 500 M North of GREGOR CREEK ROAD TOOGOOLAWAH Hit object 2007 March Sunday 3pm 100 - 110 km/h No Roadway Feature Curved - view obscured13 Medical treatment 152.4782 -26.9637 Gregors Creek Rd 1 KM West of MANY VIEWS ROAD GREGORS CREEK Overturned 2007 September Wednesday 3pm 100 - 110 km/h No Roadway Feature Curved - view open14 Property damage 152.4137 -26.9802 Gregors Creek Rd 1.65 KM South of POHLMANS RANGS RD GREGORS CREEK Hit object 2008 March Monday 8pm 100 - 110 km/h No Roadway Feature Curved - view open15 Hospitalisation 152.3687 -27.0152 Brisbane Valley Hwy 42A 80.65 200 M North of GREGORS CREEK RD GREGORS CREEK Overturned 2008 December Thursday 7pm 100 - 110 km/h No Roadway Feature Curved - view obscured16 Property damage 152.3686 -27.0149 Brisbane Valley Hwy 42A 80.68 340 M North of GREGOR CREEK RD GREGORS CREEK Rear-end 2008 November Sunday 4pm 100 - 110 km/h No Roadway Feature Curved - view obscured16 Property damage 152.3686 -27.0149 Brisbane Valley Hwy 42A 80.68 340 M North of GREGOR CREEK RD GREGORS CREEK Rear-end 2008 November Sunday 4pm 100 - 110 km/h No Roadway Feature Curved - view obscured17 Medical treatment 152.4231 -26.9705 Gregors Creek Rd 120 M West of POHLMANS RANGE RD GREGORS CREEK Hit object 2009 May Sunday 3pm 100 - 110 km/h No Roadway Feature Curved - view obscured18 Hospitalisation 152.5343 -26.9617 Esk - Kilcoy Rd 405 44.42 10 M South of BRIDGE AT NEW COUNTY CREEK GREGORS CREEK Hit object 2010 August Monday 2pm 100 - 110 km/h No Roadway Feature Straight19 Property damage 152.3672 -27.0096 Brisbane Valley Hwy 42A 81.316 650 M North of GREGORS CREEK RD GREGORS CREEK Hit animal 2009 May Wednesday 11pm 100 - 110 km/h No Roadway Feature Straight19 Property damage 152.3672 -27.0096 Brisbane Valley Hwy 42A 81.316 650 M North of GREGORS CREEK RD GREGORS CREEK Hit animal 2009 May Wednesday 11pm 100 - 110 km/h No Roadway Feature Straight20 Property damage 152.3686 -27.0255 Brisbane Valley Hwy 42A 79.12 100 M North of HARVEY ROAD HARLIN HARLIN Hit object 2005 December Saturday 11am 100 - 110 km/h No Roadway Feature Straight21 Hospitalisation 152.4284 -26.968 Gregors Creek Rd 300 M West of RICHTER RD GREGORS CREEK Hit object 2007 November Sunday 5pm 100 - 110 km/h Bridge, Causeway Straight22 Medical treatment 152.3686 -27.0142 Brisbane Valley Hwy 42A 80.72 420 M North of GREGORS CREEK RD GREGORS CREEK Hit object 2008 August Friday 7am 100 - 110 km/h No Roadway Feature Curved - view obscured23 Property damage 152.5342 -26.9619 Esk - Kilcoy Rd 405 44.44 400 M South of GREGORS CREEK RD HAZELDEAN Hit object 2008 November Wednesday 10am 100 - 110 km/h No Roadway Feature Curved - view open24 Medical treatment 152.4783 -26.9635 Gregors Creek Rd 300 M East of GAULTS LANE GREGORS CREEK Overturned 2007 June Sunday 2pm 80 - 90 km/h No Roadway Feature Curved - view open25 Hospitalisation 152.3682 -27.0222 Brisbane Valley Hwy 42A 79.67 470 M North of HARVEY RD YIMBUN Hit object 2007 November Thursday 2am 100 - 110 km/h No Roadway Feature Curved - view open26 Medical treatment 152.4221 -26.9737 Gregors Creek Rd 510 M West of POHLMANS RANGE RD GREGORS CREEK Hit object 2009 February Thursday 8pm 100 - 110 km/h No Roadway Feature Straight27 Hospitalisation 152.5071 -26.9693 Gregors Creek Rd 580 M West of DEER RESERVE RD GREGORS CREEK Hit object 2011 November Saturday 4pm 100 - 110 km/h No Roadway Feature Curved - view open




CRASH_VERT_ALIGN CRASH_LIGHTING

CRASH_ATMOS_COND

CRASH_ROAD_SURFACE

CRASH_TRAFFIC_CONTROL

CRASH_DCA_CODE CRASH_DCA_DESC CRASH_DCA_GROUP_DESC CAS_FATALITY CAS_HOSPITALISED CAS_MEDICALLY_TREATED CAS_MINOR_INJURY

CAS_TOTAL

UNIT_CRASH_REF_NUMBER

UNIT_UNIT UNIT_TYPE UNIT_INTENDED_ACTION UNIT_OVERALL_DAMAGE

UNIT_DIRECTION UNIT_STREET_ON

Grade Daylight Clear Unsealed - dry No traffic control 803 OFF PATH-CURVE: OFF CWAY RT BEND HIT OBJ Off carriageway on curve hit object 1 0 0 0 1 1 1 Car/Station wagon Go straight ahead Extensive, unrepairable West Gregors Creek RdDip Darkness - Not Lighted Clear Sealed - dry No traffic control 201 VEH'S OPPOSITE APPROACH: HEAD ON Head-on 1 2 0 0 3 2 1 Car/Station wagon Go straight ahead Extensive, unrepairable South Brisbane Valley HwyDip Darkness - Not Lighted Clear Sealed - dry No traffic control 201 VEH'S OPPOSITE APPROACH: HEAD ON Head-on 1 2 0 0 3 2 2 Utility/Panel van Go straight ahead Major - towed away North Brisbane Valley HwyDip Darkness - Not Lighted Clear Sealed - dry No traffic control 201 VEH'S OPPOSITE APPROACH: HEAD ON Head-on 1 2 0 0 3 2 3 Road train/B-double Go straight ahead Minor North Brisbane Valley HwyGrade Darkness - Not Lighted Raining Sealed - wet No traffic control 0 PED'N: HIT OTHER Other 1 2 1 0 4 3 1 Utility/Panel van Go straight ahead Extensive, unrepairable South Brisbane Valley HwyGrade Darkness - Not Lighted Raining Sealed - wet No traffic control 0 PED'N: HIT OTHER Other 1 2 1 0 4 3 2 Pedestrian Remain stationary Not applicable North Brisbane Valley HwyLevel Dawn/Dusk Clear Sealed - dry No traffic control 201 VEH'S OPPOSITE APPROACH: HEAD ON Head-on 1 0 2 0 3 4 1 Utility/Panel van Go straight ahead Moderate - towed away North Brisbane Valley HwyLevel Dawn/Dusk Clear Sealed - dry No traffic control 201 VEH'S OPPOSITE APPROACH: HEAD ON Head-on 1 0 2 0 3 4 2 Utility/Panel van Go straight ahead Major - towed away South Brisbane Valley HwyLevel Daylight Clear Unsealed - dry No traffic control 609 PASS & MISC: HIT ANIMAL Hit animal 0 0 0 0 0 5 1 Car/Station wagon Go straight ahead Moderate - towed away West Gregors Creek RdLevel Daylight Clear Unsealed - dry No traffic control 609 PASS & MISC: HIT ANIMAL Hit animal 0 0 0 0 0 5 2 Animal - stock Not applicable Not applicable South Gregors Creek RdGrade Dawn/Dusk Clear Sealed - dry No traffic control 801 OFF PATH-CURVE: OFF CWAY RIGHT BEND Off carriageway on curve 0 0 0 0 0 6 1 Car/Station wagon Go straight ahead Major - towed away East Gregors Creek RdLevel Dawn/Dusk Clear Sealed - wet No traffic control 702 OFF PATH-STRAIGHT: RIGHT OFF CWAY Off carriageway on straight 0 0 1 0 1 7 1 Car/Station wagon Go straight ahead Major - towed away North Brisbane Valley HwyGrade Darkness - Not Lighted Clear Sealed - dry No traffic control 804 OFF PATH-CURVE: OFF CWAY LT BEND HIT OBJ Off carriageway on curve hit object 0 0 0 0 0 8 1 Car/Station wagon Go straight ahead Moderate - towed away South Gregors Creek RdGrade Darkness - Lighted Raining Sealed - wet No traffic control 801 OFF PATH-CURVE: OFF CWAY RIGHT BEND Off carriageway on curve 0 0 1 0 1 9 1 Road train/B-double Go straight ahead Major - towed away North Brisbane Valley HwyGrade Daylight Clear Sealed - wet No traffic control 703 OFF PATH-STRAIGHT: LEFT OFF CWAY HIT OBJ Off carriageway on straight hit object 0 1 0 0 1 10 1 Car/Station wagon Go straight ahead Major - towed away North Brisbane Valley HwyGrade Daylight Clear Sealed - dry Give way sign 104 VEH'S ADJACENT APPROACH: THRU-RIGHT Intersection from adjacent approaches 0 0 0 0 0 11 1 Car/Station wagon Make right turn Moderate - towed away West Gregors Creek RdGrade Daylight Clear Sealed - dry Give way sign 104 VEH'S ADJACENT APPROACH: THRU-RIGHT Intersection from adjacent approaches 0 0 0 0 0 11 2 Car/Station wagon Go straight ahead Moderate - towed away South Brisbane Valley HwyCrest Daylight Raining Sealed - wet No traffic control 804 OFF PATH-CURVE: OFF CWAY LT BEND HIT OBJ Off carriageway on curve hit object 0 0 0 0 0 12 1 Car/Station wagon Go straight ahead Moderate - towed away North Brisbane Valley HwyLevel Daylight Clear Sealed - dry No traffic control 801 OFF PATH-CURVE: OFF CWAY RIGHT BEND Off carriageway on curve 0 0 1 0 1 13 1 Car/Station wagon Go straight ahead Major - towed away West Gregors Creek RdDip Darkness - Not Lighted Clear Unsealed - dry No traffic control 805 OFF PATH-CURVE: OUT OF CONTROL ON CWAY Out of control on curve 0 0 0 0 0 14 1 Car/Station wagon Go straight ahead Extensive, unrepairable South Gregors Creek RdGrade Darkness - Not Lighted Raining Sealed - wet No traffic control 802 OFF PATH-CURVE: OFF CWAY LEFT BEND Off carriageway on curve 0 3 0 0 3 15 1 Car/Station wagon Go straight ahead Extensive, unrepairable North Brisbane Valley HwyGrade Daylight Raining Sealed - wet No traffic control 301 VEH'S SAME DIRECTION: REAR END Rear-end 0 0 0 0 0 16 1 Car/Station wagon Go straight ahead Minor North Brisbane Valley HwyGrade Daylight Raining Sealed - wet No traffic control 301 VEH'S SAME DIRECTION: REAR END Rear-end 0 0 0 0 0 16 2 Car/Station wagon Stay stopped Moderate - towed away North Brisbane Valley HwyGrade Daylight Clear Unsealed - dry No traffic control 804 OFF PATH-CURVE: OFF CWAY LT BEND HIT OBJ Off carriageway on curve hit object 0 0 2 0 2 17 1 Car/Station wagon Go straight ahead Extensive, unrepairable West Gregors Creek RdLevel Daylight Clear Sealed - dry No traffic control 704 OFF PATH-STRAIGHT:RIGHT OFF CWAY HIT OBJ Off carriageway on straight hit object 0 1 0 0 1 18 1 Car/Station wagon Go straight ahead Major - towed away North Esk - Kilcoy RdCrest Darkness - Not Lighted Raining Sealed - wet No traffic control 609 PASS & MISC: HIT ANIMAL Hit animal 0 0 0 0 0 19 1 Articulated truck Go straight ahead Major - towed away South Brisbane Valley HwyCrest Darkness - Not Lighted Raining Sealed - wet No traffic control 609 PASS & MISC: HIT ANIMAL Hit animal 0 0 0 0 0 19 2 Animal - stock Not applicable Not applicable West Brisbane Valley HwyLevel Daylight Clear Sealed - dry No traffic control 703 OFF PATH-STRAIGHT: LEFT OFF CWAY HIT OBJ Off carriageway on straight hit object 0 0 0 0 0 20 1 Car/Station wagon Go straight ahead Moderate - towed away North Brisbane Valley HwyDip Dawn/Dusk Clear Unsealed - dry No traffic control 703 OFF PATH-STRAIGHT: LEFT OFF CWAY HIT OBJ Off carriageway on straight hit object 0 2 0 0 2 21 1 Utility/Panel van Go straight ahead Extensive, unrepairable West Gregors Creek RdGrade Daylight Clear Sealed - dry No traffic control 803 OFF PATH-CURVE: OFF CWAY RT BEND HIT OBJ Off carriageway on curve hit object 0 0 1 0 1 22 1 Car/Station wagon Go straight ahead Extensive, unrepairable South Brisbane Valley HwyLevel Daylight Clear Sealed - dry No traffic control 803 OFF PATH-CURVE: OFF CWAY RT BEND HIT OBJ Off carriageway on curve hit object 0 0 0 0 0 23 1 Car/Station wagon Go straight ahead Moderate - towed away North Esk - Kilcoy RdDip Daylight Clear Sealed - dry No traffic control 803 OFF PATH-CURVE: OFF CWAY RT BEND HIT OBJ Off carriageway on curve hit object 0 0 3 0 3 24 1 Car/Station wagon Go straight ahead Major - towed away West Gregors Creek RdLevel Darkness - Not Lighted Clear Sealed - dry No traffic control 805 OFF PATH-CURVE: OUT OF CONTROL ON CWAY Out of control on curve 0 1 0 0 1 25 1 Utility/Panel van Go straight ahead Major - towed away North Brisbane Valley HwyDip Darkness - Not Lighted Clear Unsealed - dry No traffic control 704 OFF PATH-STRAIGHT:RIGHT OFF CWAY HIT OBJ Off carriageway on straight hit object 0 0 1 0 1 26 1 Utility/Panel van Go straight ahead Major - towed away West Gregors Creek RdLevel Daylight Clear Sealed - dry No traffic control 803 OFF PATH-CURVE: OFF CWAY RT BEND HIT OBJ Off carriageway on curve hit object 0 2 0 0 2 27 1 Car/Station wagon Go straight ahead Major - towed away West Gregors Creek Rd




UNIT_CIRC_ALC_DRUG

UNIT_CIRC_DRINK_DRIVER_RIDER

CRASH_CIRC_FATIGUE_RELATED

UNIT_CIRC_SPEEDING_DRIVER_RIDER

UNIT_CIRC_FAIL_GIVEWAY_STOP

UNIT_CIRC_DISOBEY_TRAFFICLIGHT_SIGN

UNIT_CIRC_ILLEGAL_MANOEUVRE

UNIT_CIRC_DANGEROUS_DRIVING

UNIT_CIRC_DISOBEY_ROAD_RULES_OTHER

UNIT_CIRC_INEXPERIENCE

UNIT_CIRC_DISTRACTED

UNIT_CIRC_OTHER_DRIVER_COND

UNIT_CIRC_AGE_LACK_PERCEPTION

UNIT_CIRC_RAIN_WET_ROAD

UNIT_CIRC_NEGLIGENCE

UNIT_CIRC_INATTENTION

UNIT_CIRC_ROAD_SURFACE

UNIT_CIRC_ROAD_GRADIENT

UNIT_CIRC_ROAD_QUALITY

UNIT_CIRC_ROAD_WORKS

UNIT_CIRC_ROAD_OTHER

UNIT_CIRC_VEH_DEFECTS_MECHANICAL

UNIT_CIRC_VEH_DEFECTS_EXTERNAL

UNIT_CIRC_OTHER

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 00 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 00 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 00 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 00 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 01 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


Lockyer Designs


APPENDIX E DTMR TRAFFIC COUNT DATA


Lockyer Designs



Lockyer Designs


APPENDIX F PAVEMENT IMPACT ASSESSMENT


Lockyer Designs


Project: Gregors Creek QuarryLocation: Gregors Creek Road (based on 2010 data for Gregors Creek Road obtained from Somerset Regional Council)

Traffic Calculator

Movement AADT (vehicle per day) 89 89 10.1 10.1Commercial Vehicles, C 9.80% 12.90% 100.00% 100.00%Annual Traffic Growth, R 3.00% 3.00% 0.00% 0.00%

Heavy Vehicles (by Class)ESA Factors Total Vehicles

% AADTESA's/ Day Total Vehicles

% AADTESA's/ Day Total

Vehicles % AADTESA's/ Day Total

Vehicles % AADTESA's/ Day

Car or Motorcycle (1) 0 71 80.20% 0.00 78 87.10% 0.00 0 0.00% 0.0 0 0.00% 0.0Car with Trailer (2) 0 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Two Axle Truck or Bus (3) 0.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Three Axle Truck or Bus (4) 1.7 3 3.00% 4.54 4 5.00% 7.57 0 0.00% 0.0 0 0.00% 0.0Four Axle Truck (5) 2.8 5 6.10% 15.20 6 7.10% 17.69 0.5 4.95% 1.4 0.5 4.95% 1.4Three Axle Articulated (6) 0.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Four Axle Articulated (7) 1.2 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Five Axle Articulated (8) 2.2 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Six Axle Articulated (9) 3.0 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0B Double (10) 4.0 1 0.80% 2.85 1 0.80% 2.85 10 95.05% 38.4 10 95.05% 38.4Double Road Train (11) 5.8 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Triple Road Train (12) 7.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0TOTAL 9 9.90% 22.59 11 12.90% 28.11 10 100.00% 39.8 10 100.00% 39.8

ESA Factor (A ) 2.56 2.45 3.94 3.94ESA Growth Factor (2% for NH & SR / 1% for RR) 1% 1% 1% 1%Design l ife. 20 20 20 20F1 for design l ife. (B) 3.13 2.99 4.81 4.81Number of ESA’s per Commercial Vehicle (F1) ((A + B) /2) 2.85 2.72 4.37 4.37

Number of Years from Traffic Count to Construction 6 6 0 0

Traffic Growth Factor, g = (1 + 0.01i)y 1.19 1.19 1.00 1.00Cumulative Traffic Growth Factor, f = [(1 + 0.01R)P-1] / 0.01R

26.87 26.87 20.00 20.00

No. of ESA’s: Nps = F1 x T x C 24.82176501 31.20055 44.18178 44.18178

Design Traffic: Nes = Nps x B x g x f x 365 2.91E+05 3.65E+05 3.23E+05 3.23E+05

Development Traffic - Eastbound (west of quarry)

Development Traffic - Westbound (west of quarry)

ESA Factor Calculator

Movement

Eastbound Westbound

ESA Calculator


Lockyer Designs


Project: Gregors Creek QuarryLocation: Brisbane Valley Highway (road section 42A, based on site 2012 data at site 32629)

Traffic Calculator

Movement AADT (vehicle per day) 1385 1370 4.6 4.6 4.6 4.6Commercial Vehicles, C 23.90% 18.25% 100.00% 100.00% 100.00% 100.00%Annual Traffic Growth, R 4.00% 4.00% 0.00% 0.00% 0.00% 0.00%








Car or Motorcycle (1) 0 987 71.26% 0.00 1045 76.28% 0.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Car with Trailer (2) 0 68 4.91% 0.00 75 5.47% 0.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Two Axle Truck or Bus (3) 0.7 182 13.14% 127.39 95 6.93% 66.46 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Three Axle Truck or Bus (4) 1.7 20 1.44% 33.90 32 2.34% 54.50 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Four Axle Truck (5) 2.8 3 0.22% 8.53 5 0.36% 13.81 0 0.00% 0.0 0 0.00% 0.0 0.5 10.00% 1.3 0.5 10.00% 1.3Three Axle Articulated (6) 0.7 11 0.79% 7.66 5 0.36% 3.45 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Four Axle Articulated (7) 1.2 14 1.01% 16.79 10 0.73% 12.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Five Axle Articulated (8) 2.2 7 0.51% 15.54 7 0.51% 15.37 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Six Axle Articulated (9) 3.0 58 4.19% 174.09 60 4.38% 180.02 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0B Double (10) 4.0 34 2.45% 135.73 34 2.48% 135.90 5 100.00% 18.3 5 100.00% 18.3 4 90.00% 16.4 4 90.00% 16.4Double Road Train (11) 5.8 2 0.14% 11.25 2 0.15% 11.92 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Triple Road Train (12) 7.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0TOTAL 331 23.89% 530.88 250 18.24% 493.43 5 100.00% 18.3 5 100.00% 18.3 5 100.00% 17.7 5 100.00% 17.7

ESA Factor (A ) 1.60 1.97 4.00 4.00 3.88 3.88ESA Growth Factor (2% for NH & SR / 1% for RR) 1% 1% 1% 1% 1% 1%Design l ife. 20 20 20 20 20 20F1 for design l ife. (B) 1.96 2.41 4.88 4.88 4.73 4.73Number of ESA’s per Commercial Vehicle (F1) ((A + B) /2) 1.78 2.19 4.44 4.44 4.31 4.31

Number of Years from Traffic Count to Construction 4 4 0 0 0 0

Traffic Growth Factor, g = (1 + 0.01i)y 1.17 1.17 1.00 1.00 1.00 1.00

Cumulative Traffic Growth Factor, f = [(1 + 0.01R)P-1] / 0.01R

29.78 29.78 20.00 20.00 20.00 20.00

No. of ESA’s: Nps = F1 x T x C 589.5787588 548.0577 20.27034 20.2703351 19.66223 19.66223Design Traffic: Nes = Nps x B x g x f x 365 7.50E+06 6.97E+06 1.48E+05 1.48E+05 1.44E+05 1.44E+05

ESA Calculator

Movement

Northbound (Gazettal) Southbound (Against Gazettal)


Development Traffic - Northbound south of Gregors Creek Road

intersection (Gazettal)

Development Traffic - Southbound south of Gregors Creek Road


Development Traffic - Southbound north of Gregors Creek Road


Development Traffic - Northbound north of Gregors Creek Road



Lockyer Designs


CUMULATIVE ASSESSMENT – GREGORS CREEK ROAD

Project: Gregors Creek QuarryLocation: Gregors Creek Road (based on 2010 data for Gregors Creek Road obtained from Somerset Regional Council)

Traffic Calculator

Movement AADT (vehicle per day) 89 89 14.0 14.0Commercial Vehicles, C 9.80% 12.90% 100.00% 100.00%Annual Traffic Growth, R 3.00% 3.00% 0.00% 0.00%






Car or Motorcycle (1) 0 71 80.20% 0.00 78 87.10% 0.00 0 0.00% 0.0 0 0.00% 0.0Car with Trailer (2) 0 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Two Axle Truck or Bus (3) 0.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Three Axle Truck or Bus (4) 1.7 3 3.00% 4.54 4 5.00% 7.57 0 0.00% 0.0 0 0.00% 0.0Four Axle Truck (5) 2.8 5 6.10% 15.20 6 7.10% 17.69 10.22 73.00% 28.6 10 73.00% 28.6Three Axle Articulated (6) 0.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Four Axle Articulated (7) 1.2 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Five Axle Articulated (8) 2.2 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Six Axle Articulated (9) 3.0 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0B Double (10) 4.0 1 0.80% 2.85 1 0.80% 2.85 3.8 27.00% 15.1 3.8 27.00% 15.1Double Road Train (11) 5.8 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0Triple Road Train (12) 7.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0TOTAL 9 9.90% 22.59 11 12.90% 28.11 14.0 100.00% 43.7 14.0 100.00% 43.7

ESA Factor (A ) 2.56 2.45 3.12 3.12ESA Growth Factor (2% for NH & SR / 1% for RR) 1% 1% 1% 1%Design l ife. 20 20 20 20F1 for design l ife. (B) 3.13 2.99 3.81 3.81Number of ESA’s per Commercial Vehicle (F1) ((A + B) /2) 2.85 2.72 3.47 3.47Number of Years from Traffic Count to Construction 6 6 0 0Traffic Growth Factor, g = (1 + 0.01i)y 1.19 1.19 1.00 1.00

Cumulative Traffic Growth Factor, f = [(1 + 0.01R)P-1] / 0.01R 26.87 26.87 20.00 20.00

No. of ESA’s: Nps = F1 x T x C 24.82176501 31.20055 48.55112 48.55112Design Traffic: Nes = Nps x B x g x f x 365 2.91E+05 3.65E+05 3.54E+05 3.54E+05

Development Traffic - Westbound (west of quarry)


ESA Calculator

Movement

Eastbound WestboundDevelopment Traffic - Eastbound

(west of quarry)


Lockyer Designs


CUMULATIVE ASSESSMENT – BRISBANE VALLEY HIGHWAY

Project: Gregors Creek QuarryLocation: Brisbane Valley Highway (road section 42A, based on site 2012 data at site 32629)

Traffic Calculator

Movement AADT (vehicle per day) 1385 1370 6.6 6.6 6.5 6.5Commercial Vehicles, C 23.90% 18.25% 100.00% 100.00% 100.00% 100.00%Annual Traffic Growth, R 4.00% 4.00% 0.00% 0.00% 0.00% 0.00%








Car or Motorcycle (1) 0 987 71.26% 0.00 1045 76.28% 0.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Car with Trailer (2) 0 68 4.91% 0.00 75 5.47% 0.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Two Axle Truck or Bus (3) 0.7 182 13.14% 127.39 95 6.93% 66.46 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Three Axle Truck or Bus (4) 1.7 20 1.44% 33.90 32 2.34% 54.50 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Four Axle Truck (5) 2.8 3 0.22% 8.53 5 0.36% 13.81 5 70.00% 12.9 5 70.00% 12.9 4.9 76.00% 13.8 4.9 76.00% 13.8Three Axle Articulated (6) 0.7 11 0.79% 7.66 5 0.36% 3.45 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Four Axle Articulated (7) 1.2 14 1.01% 16.79 10 0.73% 12.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Five Axle Articulated (8) 2.2 7 0.51% 15.54 7 0.51% 15.37 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Six Axle Articulated (9) 3.0 58 4.19% 174.09 60 4.38% 180.02 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0B Double (10) 4.0 34 2.45% 135.73 34 2.48% 135.90 2 30.00% 7.9 2 30.00% 7.9 2 24.00% 6.2 2 24.00% 6.2Double Road Train (11) 5.8 2 0.14% 11.25 2 0.15% 11.92 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0Triple Road Train (12) 7.7 0 0.00% 0.00 0 0.00% 0.00 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0 0 0.00% 0.0TOTAL 331 23.89% 530.88 250 18.24% 493.43 7 100.00% 20.7 7 100.00% 20.7 6 100.00% 20.0 6 100.00% 20.0

ESA Factor (A ) 1.60 1.97 3.16 3.16 3.09 3.09ESA Growth Factor (2% for NH & SR / 1% for RR) 1% 1% 1% 1% 1% 1%Design l ife. 20 20 20 20 20 20F1 for design l ife. (B) 1.96 2.41 3.86 3.86 3.77 3.77Number of ESA’s per Commercial Vehicle (F1) ((A + B) /2) 1.78 2.19 3.51 3.51 3.43 3.43

Number of Years from Traffic Count to Construction 4 4 0 0 0 0

Traffic Growth Factor, g = (1 + 0.01i)y 1.17 1.17 1.00 1.00 1.00 1.00

Cumulative Traffic Growth Factor, f = [(1 + 0.01R)P-1] / 0.01R

29.78 29.78 20.00 20.00 20.00 20.00

No. of ESA’s: Nps = F1 x T x C 589.5787588 548.0577 23.02937 23.0293652 22.16185 22.16185Design Traffic: Nes = Nps x B x g x f x 365 7.50E+06 6.97E+06 1.68E+05 1.68E+05 1.62E+05 1.62E+05

ESA Calculator

Development Traffic - Southbound north of Gregors Creek Road


Development Traffic - Northbound south of Gregors Creek Road


Development Traffic - Southbound south of Gregors Creek Road



Movement

Northbound (Gazettal) Southbound (Against Gazettal)

Development Traffic - Northbound north of Gregors Creek Road



Lockyer Designs


APPENDIX G SIDRA MOVEMENT SUMMARIES – Cumulative Assessment

MOVEMENT SUMMARYSite: AM Total 2026 Gregors_Brisbane VHwy - Cumulative

New SiteGiveway / Yield (Two-Way)

Movement Performance - VehiclesDemand Flows 95% Back of QueueMov

ID ODMov

Deg.Satn

AverageDelay

Level ofService

Prop. Queued

Effective Stop Rate

AverageSpeed Total HV Vehicles Distance

veh/h % v/c sec veh m per veh km/hSouth: Gregors Creek Road1 L2 14 39.0 0.016 7.4 LOS A 0.1 0.5 0.34 0.55 53.03 R2 5 80.0 0.018 15.6 LOS C 0.1 0.7 0.62 0.75 41.6Approach 19 50.4 0.018 9.7 LOS A 0.1 0.7 0.42 0.61 49.3

East: Brisbane Valley Highway4 L2 6 50.0 0.005 8.5 LOS A 0.0 0.0 0.00 0.66 59.45 T1 234 7.0 0.129 0.0 LOS A 0.0 0.0 0.00 0.00 99.9Approach 240 8.1 0.129 0.2 NA 0.0 0.0 0.00 0.02 98.2

West: Brisbane Valley Highway11 T1 232 7.0 0.124 0.0 LOS A 0.0 0.0 0.00 0.00 99.912 R2 27 11.5 0.026 9.5 LOS A 0.1 0.8 0.35 0.64 60.7Approach 259 7.5 0.124 1.0 NA 0.1 0.8 0.04 0.07 93.5

All Vehicles 518 9.3 0.129 1.0 NA 0.1 0.8 0.03 0.06 92.5

Level of Service (LOS) Method: Delay (HCM 2000). Vehicle movement LOS values are based on average delay per movementMinor Road Approach LOS values are based on average delay for all vehicle movements.NA: Intersection LOS and Major Road Approach LOS values are Not Applicable for two-way sign control since the average delay is not a good LOS measure due to zero delays associated with major road movements.SIDRA Standard Delay Model is used. Control Delay includes Geometric Delay.Gap-Acceptance Capacity: SIDRA Standard (Akçelik M3D).HV (%) values are calculated for All Movement Classes of All Heavy Vehicle Model Designation.

SIDRA INTERSECTION 6.1 | Copyright © 2000-2015 Akcelik and Associates Pty Ltd | sidrasolutions.comOrganisation: HARRISON INFRASTRUCTURE GROUP | Processed: Thursday, 12 November 2015 12:40:57 AMProject: L:\Jobs\LD\LD-1030 - 310 Gregor Creek Rd Development Application\6.0 Data and Modelling\6.4 SIDRA\LD-1030 SIDRA DV1.sip6

MOVEMENT SUMMARYSite: PM Total 2026 Gregors_Brisbane VHwy - Cumulative

New SiteGiveway / Yield (Two-Way)

Movement Performance - VehiclesDemand Flows 95% Back of QueueMov

ID ODMov

Deg.Satn

AverageDelay

Level ofService

Prop. Queued

Effective Stop Rate

AverageSpeed Total HV Vehicles Distance

veh/h % v/c sec veh m per veh km/hSouth: Gregors Creek Road1 L2 27 21.0 0.029 7.0 LOS A 0.1 0.8 0.33 0.56 55.13 R2 4 100.0 0.022 22.8 LOS C 0.1 1.0 0.75 0.86 41.6Approach 32 31.5 0.029 9.1 LOS A 0.1 1.0 0.39 0.60 52.8

East: Brisbane Valley Highway4 L2 11 40.0 0.007 8.4 LOS A 0.0 0.0 0.00 0.66 61.95 T1 238 5.0 0.129 0.0 LOS A 0.0 0.0 0.00 0.00 99.9Approach 248 6.5 0.129 0.4 NA 0.0 0.0 0.00 0.03 97.4

West: Brisbane Valley Highway11 T1 358 4.0 0.188 0.0 LOS A 0.0 0.0 0.00 0.00 99.912 R2 23 32.0 0.025 11.0 LOS B 0.1 0.9 0.37 0.65 59.4Approach 381 5.7 0.188 0.7 NA 0.1 0.9 0.02 0.04 95.9

All Vehicles 661 7.2 0.188 1.0 NA 0.1 1.0 0.03 0.06 92.8

Level of Service (LOS) Method: Delay (HCM 2000). Vehicle movement LOS values are based on average delay per movementMinor Road Approach LOS values are based on average delay for all vehicle movements.NA: Intersection LOS and Major Road Approach LOS values are Not Applicable for two-way sign control since the average delay is not a good LOS measure due to zero delays associated with major road movements.SIDRA Standard Delay Model is used. Control Delay includes Geometric Delay.Gap-Acceptance Capacity: SIDRA Standard (Akçelik M3D).HV (%) values are calculated for All Movement Classes of All Heavy Vehicle Model Designation.

SIDRA INTERSECTION 6.1 | Copyright © 2000-2015 Akcelik and Associates Pty Ltd | sidrasolutions.comOrganisation: HARRISON INFRASTRUCTURE GROUP | Processed: Thursday, 12 November 2015 1:15:25 AMProject: L:\Jobs\LD\LD-1030 - 310 Gregor Creek Rd Development Application\6.0 Data and Modelling\6.4 SIDRA\LD-1030 SIDRA DV1.sip6

traffic and pavement impact assessment · b 11 november 2015 caroline thomas draft removal of...

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