roadway condition presentation grp 04

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Dept. of Civil Engineering

Course No: CE 452

TRANSPORTATION

ENGINEERING SESSIONAL -II

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Course Instructor: Mr. Minhazul Islam

Khan (Lecturer)

Ms. Nuzhat (Lecturer)

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Presentation on

Roadway Condition Survey

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Presented by4th Year 2nd Semester

Section; B

Group No: 4

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Name Student ID

Wasi Uddin Ahmed 11.01.03.129

Shahana Akter Esha 11.01.03.073

Farjana Rahman Tripty 11.01.03.077

Suhana Sultana 11.01.03.095

Antora Dhali 11.01.03.114

Shajeda Allam Mahbuba 10.01.03.103

Sazzad Hussain 10.01.03.152

Tuhin Hasan 10.01.03.156

Study Area (Panthapath) on

Google Earth

Mirpur

Road

Russel

Square

Panthapath-

Green Road

Intersection

Green Road

SAARC

Fountain

Green Road

Mirpur

Road

Kazi Nazrul

Islam Road

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Presentation Contents

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Introduction

Literature review

Methodology

Data Collection

Data Analysis

Findings, Limitations & Recommendations

OBJECTIVES

To draw detailed layout of roadway and intersection

Measure-

Road length,

Numbers of lane,

Median height and width,

Shoulder height and width etc.

Observe Geometric Measurement and Position of channel or islands,

Dimension and location of pedestrian refuge.

To shoe location of bottlenecks.

To show various control devices like Road Sign, Marking, Signal, speed Breaker, StreetLight etc.

To find density of Road obstructions (manholes, speed breakers, potholes etc).

To find Density of Side roads.

To find out the faults of that intersection and making proposals to remove them.

To plan for reducing and minimize delay time in intersection.

To make some recommendations for the betterment of the existing situation of our studyintersection.

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SCOPE OF THE STUDY

Repairing Purpose

Future Planning Purposes

Further Roadway condition Improvement & Modification

Purposes

Further Sidewalk condition Improvement & Modification

Purposes

Parking Management Purpose

Signaling system modification Purpose

Road marking & road signs modification purpose

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Basic Components of

Roadway Survey

Road,

Vehicles,

Road Users &

Roadway Environment.

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Importance of Roadway

Condition Study

Increase the efficiency and life of roads.

Reduces traffic congestion

Provide better means for development of

infrastructures.

To find the need of improvement of a roadway or

side walk or any other basic road component.

To improvisation of pedestrian or vehicle

movement or parking facility.

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Literature Review

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Potholes

A pothole (sometimes called

a kettle and known in parts

of the Western United States

as a chuckhole) is a type of

disruption in the surface of a

roadway where a portion of

the road material has broken

away, leaving a hole.

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Potholes

Potholes

Accident

In a

Pothole

Curbs A curb the edge where a

raised pavement/ sidewalk /footpath, road median/central reservation, or roads shoulder/hard shoulder meets an unraised street or other roadway.

Curbs may fulfill several functions.

Curbs can be used to channel runoff water from rain, or melted snow and ice into storm drains.

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Channelization

Channelization is an engineering concept which employs the use of secondary roads to separate certain flows of traffic from the main traffic lanes. It is the separation or regulation of conflicting traffic movements into definite paths of travel by traffic islands or pavement marking to facilitate the safe and orderly movements of both vehicles and pedestrians.

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ShouldersA hard shoulder, or simply

shoulder, is a reserved area

by the verge of a road or

motorway. Generally it is

kept clear of motor vehicle

traffic.

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Shoulders

Super ElevationSuper elevation is tilting the roadway to help offset centripetal forces developed as the vehicle goes around a curve. Along with friction they are what keep a vehicle from going off the road.

Link Road

A link road is a transport infrastructure road that links other major road transport facilities, often added because of increasing road traffic. They can be controversial, especially if they threaten to destroy natural habitat and green field land

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Link

Road

Side

road A side road or side roadway is a

narrow lane found in urbanareas, often for pedestrians only,which usually run between orbehind the buildings…

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Road

Marking Road marking is any kind of device or material

that is used on a road surface in order toconvey official information. They can also beapplied in other facilities used by vehicles tomark parking spaces or designate areas forother uses. Road surface markings are used onpaved roadways to provide guidance andinformation to drivers and pedestrians.Uniformity of the markings is an importantfactor in minimizing confusion and uncertaintyabout their meaning, and efforts exist tostandardize such markings across borders.However, countries and areas categorize andspecify road surface markings in differentways. Road surface markings are eithermechanical, non-mechanical, or temporary.

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Road

Signs Traffic signs or

road signs are signs

are shown at the

side of or above

roads to give

instructions or

provide information

to road users. The

earliest signs were

simple wooden or

stone milestones.

Later, signs with

directional arms 19

Road Signals A road signal for directing vehicular traffic

by means of colored lights, typically red

for stop, green for go, and yellow for

proceed with caution. Also called

stoplight, traffic signal.

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METHODOLOGY

Reconnaissance survey of study area.

Chose Study MethodManual Walking Method

Chose Data Collection MethodIndirect Method

Chose equipment for

Ensure other key featuresPerform necessary office preparations.

Select proper observer location.

Label data sheets and record observations.

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Main Road Alignment of Study

Area

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Mirpur

Road

Russel

Square

Panthapath-

Green Road

Intersection

Green Road

Steps of Methodology

Reconnaissance Survey

Type of Roadway Condition Method

Manual Roadway Condition Survey

Manual Roadway Condition Survey Instruments

Vehicle Based automatic roadway condition survey

Vehicles for automatic roadway condition survey

Choice of Mechanism For Roadway Survey

Chose Procedure of Work

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Reconnaissance survey

Reconnaissance survey was performed-

To get an idea about the situation of the roadway.

To make easy and understandable final roadway condition survey.

To select what type of method for fieldwork to be followed

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Methods

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Manual Method Vehicle Based Automatic Method

Walking survey

Windshield Survey

Walking + Windshield

Survey

Manual Roadway Condition

Survey Instruments

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Measuring tape (small)

Measuring tape (large)

Odometer

camera

Roadway Condition Summary

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Survey Date15th & 17th December, 2014

Survey TimeBetween 7:00am to 8:00pm (Day & Night)

Survey routeRussell Square to Green Road

Survey MethodManual Measurement

Measuring Equipment A pair of 15 meter tape & 5 meter tape

CameraNokia 5MP mobile & Samsung HD Camera

Number of Enumerator 8 person in two groups (1 group each side)

Working Steps

At first we divided our enumerators into two groups.

Each group takes different sides.

We used tapes for measurements.

We counted number & width of side roads, potholes,

and street light and observed their physical

condition.

We collected information about road marking, signs

& signals, parking facilities.

We listed measurement data of roadway and

sidewalk and their present condition.

We measured median and opening heights and

widths.

We also have photographic documentation 28

Length Measurement

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Chose The Best Option From

Considering all facilities & limitations we chose

MANUAL ROADWAY CONDITION SURVEY SYSTEM

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Data

Analysis

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Geometrical Roadway Section

Data-1

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Distance(m) Width(m)Left Approach Width(m) Right Approach Lane

0 11.7 9.8 3

50 14.8 11.8 4

100 9.6 9.5 3

150 9.4 9.2 3

200 9.0 9.2 3

250 8.5 9.9 3

300 8.7 8.6 3

350 8.7 8.6 3

400 8.6 8.6 3

450 8.4 8.9 3

500 9.3 9.9 3

550 9.0 8.8 3

600 8.6 8.8 3

650 7.5 8.7 3

700 9.0 8.3 3

750 8.7 8.5 3

800 7.2 8.6 3

850 8.4 8.5 3

900 11.5 8.5 3

Road Width

Geometric Measurement of Channel/Islands, Pedestrians Refuge

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Island and Channels

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Location & Width of side roads

Condition of Footpath

Island Channel

Median

Road intersection is blocked

by Channel

Condition of Divider

Condition of Manhole

Condition of Parking Facility

Condition of Curb

Surface Distortion

Pedestrian movement across the

road

Side road

Road Sign

Condition of Roadway Signal

Obstruction due

to trees

Condition of Roadway Signal

Road marking

Tiger lane

marking

Pedestrian movement marking

Finding

s Lots of pot holes on pavement

In some segment sidewalk is full of human waste and unusable forpedestrian.

Lots of side road causes side friction on main stream vehicle

Uneven, dirty & unusable side walk in some road section

Lots of small shops found obstructing sidewalk

No additional facility for blind pedestrian

Poor or no parking facility in some road sections

Lots of illegal parking on road side even by the law enforcing forces.

Street light condition are good and some solar street light are newlyimplemented

All type of signals are useless.

Manual traffic handling of vehicle at intersections by traffic police.

Islands are illegally captured, in some places by police box

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Limitations

Totally manual method.

Number of enumerators was 4 persons per group

We collected data for some segment at large

interval. However if it was possible to collect

data for more sections then a better scenario

could have been presented.

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Recommendation

s

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Pot holes and other obstruction which reduce the trafficspeed should be removed.

A bus lay by may be applied on both side of this road.

Parking facilities should be improved & controlled to reduceside friction.

In junctions automatic signaling system might be introduced.

Fused street light should be replaced.

Worn out or almost worn out road marking & signs should bereplaced.

Storage of construction materials on roadway should not beallowed.

Food shop, nursery, temporary shops are recommended toremove from footpath with their proper compensation.

A public toilet may be constructed to stop footpath beingunusable due to human waste .

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Thank You