intersection group i5 county road 20/10th line · 34 . intersection group i6 county road 20/birch...

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Intersection Group I5

County Road 20/10th Line

Alt 0

Do

Nothing

Alt 1

Realigned

Side Street

Alt 2

Roundabout

Transportation

Accommodates Longer Term Traffic Demands

Accommodates Farm Equipment

No Skew Angle (i.e. <70°)

Safety for Vehicles

Design Consistency

Natural Environment

Impact on Trees

Social Environment

Opportunity for Gateway Features

Property Impacts

Residential Property Required

Farmland Property Required

Cost

Life Cycle Cost Low Medium High

Recommendation

The existing sight lines at the intersection do not provide enough distance for a vehicle to stop if

another vehicle has entered the intersection due to the horizontal and vertical curves. Realigning the

side street to the east of the curve will improve the sightlines significantly . The intersection does not

warrant a roundabout due to traffic volumes and the high construction costs. The recommendation of

the “Special Character” road on County Road 20 will reduce operating speeds and this supports the

visibility of the intersection.

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Intersection Group I5 County Road 20/10th Line Technically Preferred Alternative

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County Road 20/Birch Island

Road

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County Road 20/Birch Island

Road

Alt 0

Do

Nothing

Alt 1

Realigned

Side

Approach

Transportation




Safety for Vehicles -

Design Consistency

Natural Environment

Impact on Trees

Social Environment


Property Impacts

Residential Property Required


Cost

Life Cycle Cost Low Medium

Recommendation

Alternative 1 reduces the skew angle of the existing intersection and

accommodates the turning movements at a low cost to improve traffic operations

and safety.

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Intersection Group I6 County Road 20/Birch Island Road Technically Preferred Alternative

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Alt 0

Do

Nothing

Alt 1

Realigned

Side Street

Alt 2

Roundabout

Transportation




Safety for Vehicles -

Design Consistency

Natural Environment

Impact on Trees

Social Environment


Property Impacts


Cost

Life Cycle Cost Low Medium High

Recommendation

Alternative 1 reduces the skew angle of the existing intersection and accommodates the

turning movements at a low cost to improve traffic operations and safety. The

intersection does not warrant a roundabout due to traffic volumes and the high

construction costs.

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Intersection Group I7 County Road 20/11th Line Technically Preferred Alternative

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County Road 20/County

Road 23

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County Road 20/County

Road 23

Alt 0

Do

Nothing

Alt 1

Signals

Alt 2

Roundabout

Transportation

Traffic Operations (Delay to Vehicles) -



Safety for Vehicles - -

Design Consistency -

Natural Environment

Impact on Trees -

Social Environment

Compatibility with Special Character Road (CR20)


Noise Impacts - -

Impact to Community Functions - - -

Property Impacts

Residential Property Required -

Farmland Property Required -

Cost

Life Cycle Cost Low Medium Medium

Recommendation

Based on the traffic analysis forecasting, this intersection will warrant traffic signals within the 20

year planning horizon. A roundabout is recommended as the safest, best operating intersection

alternative. It will also support the link to the recommended Special Character Road

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Intersection Group I8 County Road 20/County Road 23 Technically Preferred Alternative

Interim Plan

The following improvements from the Overall Technically Preferred

Plan (the combination of each Technically Preferred Alternative) are

recommended to include:

No Truck Route on County Road 20 (divert trucks to CR18/CR20)

Pulverize pavement

New road surface

Full shoulder paving

New 2-stripe centreline and new edge striping (potential use of

durable paint lines)

Ditch cleanout or ditch subdrains

New Centreline culvert (0+400 – 10+500)

Lower posted speed limit

3 median bulb-outs

Multi-use path subject to availability of funding

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Effects and Mitigation Factor Environmental Issues and

Potential Effects

Preliminary Design Proposed Mitigation Measures

Traffic

Operations -

Delay

Potential for traffic travel delays

associated with construction

staging on County Road 20.

Provide advance notice of all closures / lane reductions /

detours.

Prepare / implement Traffic Management Plan during

construction.

Emergency

Services Potential impact to emergency

service routes / access due to

closures / lane reductions.

Prepare / implement Traffic Management Plan during

construction.

Ensure ongoing and advance communication with

emergency service providers during construction.

Property

Impacts -

Permanent

Property acquisition for MUP and

sliver widening along County Road

20 for the ultimate plan.

Early communication / coordination with owner(s) and

tenants to minimize disruption associated with property

purchase.

Aesthetics Bridge rehabilitation or

replacement provides opportunities

to enhance aesthetics of existing

bridge sites.

If extent of work at any given site supports it, context

sensitive design elements will be considered for

inclusion.

Archaeology Potential damage to or loss of

archaeological artefacts.

If deeply buried archaeological remains are encountered

during construction, construction will be stopped in the

vicinity of the discovery and the contractor must notify the

Ministry of Tourism, Sport and Culture.

Noise

(Construction)

Noise from construction equipment

and vehicles during construction.

Maintain equipment in good operating condition to

prevent unnecessary noise. Restrict idling of equipment

to the minimum necessary to perform the work.

Contractor will be required to abide by noise control by-

laws for day-to-day operations.

Noise (Traffic

Diversion)

Noise on CR18 and CR20 from

diversion of trucks.

A noise assessment has determined that the increase in

truck traffic on CR18/CR20 does not significantly

increase noise levels along the corridor.

Management

of Excess

Materials

The project will result in the

generation of waste asphalt,

granulars, concrete and possibly

earth materials.

Excess generation will be minimized through promoting

contractor salvage, recycling and re-use in the contract

tender documents.

Species at

Risk Potential disruption to migratory

birds, nesting and / or species at

risk (SAR).

Conduct site ‘sweeps’ prior to any tree removals and

prior to and during construction.

Clear any vegetation outside of the breeding bird season.

Ensure contractor’s staff are trained to recognize

potentially affected species and are required to notify

authorities if any are encountered on site.

Impacts to

Existing Trees Impacts to existing trees along

County Road 20 that may require

removal for the bulb-outs, road

widening and/or MUP.

Meander MUP around existing trees.

Replacement of trees with same or similar tree type.

Water Quality Concern for decrease in water

quality from run-off.

Engineered wetland construction at the location of

highest drainage to naturally filter water before draining

to Lake Chemong.

Utilities Potential for impacts to existing

utilities in the vicinity of the

bridges, work sites or along access

routes from staging areas.

Ensure advance coordination with utility companies and

approval for all utility relocations / protections.

Vegetation Removal of various trees and

woody vegetation due to clearing

for staging areas.

Maintain, where possible, mature tree specimens with a

diameter (DBH) greater than 50 cm. 44

Next Steps

Following this meeting we will:

Review all PIC No. 2 comments and prepare a Summary Report

Finalize the Recommended Plans

Preliminary Design – Spring 2019

File the Environmental Study Report – Spring 2019

Detail Design – Summer 2019

PIC No. 3 – Summer 2019

How can you remain involved in the Study?

Request that your name/e-mail be added to the mailing list

Provide a completed comment sheet

Contact the County’s representative or the consultant at any time

Any of our representatives that are present can assist you with the above

activities.

Thank you for your participation in tonight’s meeting.

Your input into this study is valuable and appreciated.

Please provide your completed comment form on or before May 31, 2019.

All information is collected in accordance with the Municipal Freedom of

Information and Protection of Privacy Act.

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intersection group i5 county road 20/10th line · 34 . intersection group i6 county road 20/birch...

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