Safety Evaluation of highway project at Post- construction ...
Transcript of Safety Evaluation of highway project at Post- construction ...
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International Conference on Transportation Infrastructure Projects Conception To Execution (TIPCE) 7th to 10th January, 2019 at IIT Roorkee
Safety Evaluation of highway project at Post-construction stage - A case study of NH-59A in the
State of Madhya Pradesh
Presenter: Sujeet Kumar Modi - PhD Scholar at SPA Delhi &
Consultant (Traffic and Road Safety) Co-author:
Dr. Sewa Ram, Professor at SPA Delhi Ganesh S Doley, Head of Highway Division at Indus Infra Solutions
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Introduction to Presentation
• Introduction to Project and the Project Road
• Scope of Work
• Methodology
• Guidelines and Standards
• Audit Process and Data Collection
• Data Processing
• Audit Findings
• Recommendations
• Conclusion
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Introduction to Project Road
Project Road start, Harda, Ch. Km 147+000
Project Road Ends, Betul Road, Ch. Km 181+000
Timarni
Sodalpur
Dolariya
Uda
Tamegaon
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Introduction to Project
Client: PWD (NH Division), Bhopal Consultant: CADD Consulting Contractor: Shantilal B. Patel
Road Length: 34 km
Road configuration: 2 Lane with paved shoulder
Urban Area: Harda, Timarni, Sodalpur and other small market areas such as
Uda, Tamegaon
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Consultant’s Scope of Work
Pre-opening Stage Road Safety Audit
• The Project Road
• Construction Drawings – Junctions, Signage,
Marking, etc.
• Audit of the Crash Locations – Identified by Police
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Methodology
Task: Audit of the Road (Pre-opening stage)
Data Collection Primary Data Video / Photography
Secondary Data
Geo-coded Crash Data, Reports, Designs Drawings, Traffic Surveys
Data Processing
Data Analysis: Identification of road safety issue from site and drawings
Recommendations as per Guidelines and Standards
Report
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Guideline and Standards
IRC:SP:88-2010 Manual on Road Safety Audit
IRC:SP:73-2015 Manual of Specifications & Standards for Two Laning of
Highways with Paved Shoulder
IRC:67-2012 Code of Practice for Road Signs
IRC:35-2015 Code of Practice for Road Markings
IRC:99-2018 Guidelines for Traffic Calming Measures in Urban and Rural
Areas
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Data Collection
• Meeting with Stakeholders such as Client, Contractor and Authority
Engineer
• Site Visit
Data Inquired during the
meeting
Data Collected
1. Detailed Crash Data Crash locations provided
Locations identified by police based on previous
crashes occurred along the Projects Road
3. Previous audit findings, minutes of
meetings, recommendations, etc.
Not Available
2. Drawings (Junctions, Furniture,
etc)
Provided
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Audit Process – to be followed
1 • Meeting with stakeholders and Collection of primary and secondary data
2 • Site Visit
3 • Data processing and analysis
4 • Draft Report Submission
5 • Client’s comment and submission of final report
6 • Completion meeting with stakeholders
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Data Processing
• Images/Video: Classification of photos
based on road geometry/alignment,
junctions, and surrounding area. Processing
of videos for traffic movements at junctions.
• Drawings and design outputs
• Police data
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Audit Findings – Identification of Crash Locations
13 Locations – Fatal
Common characteristics of crash locations
Sharp Curves with Junction
Sharp Curve with bridge
School on sharp turn
Poorly designed junctions
Sight Distance
Sl. No. Crash Location Thana Chainage verified from site
(km)
1 Pulia near khirki wala dargah Timarni 153+016
2 Mod near Charkheda School 154+950
3 Ardh Nageshwari Temple –
Charkheda
157+000
4 Sai temple 157+460
5 Timarni Bus Stand 161+500
6 Madhav Colony Gate 162+600
7 Bhayali Tappar 165+988
8 Sodalpur Bus Stand 167+460
9 Behragaon Mod 169+920
10 Dolriya Faate Rahatgaon 175+350
11 Temagaon to Bhadugaon Faate 178+350
12 Near Warehouse (ahead of
Temagaon)
179+200
13 Near Nayan Taara 180+400
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Audit Findings – Crash Location 1
Pulia, km 153+016 S - curve
T-Junction at km 152+643
Under-construction Bridge Sharp curve near pulia
T-junction (towards khidki waala village)
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Signs not as per IRC Standard
Markings provided as per IRC
Poor visibility of Junction
Minor Road
Minor Road
Major Road
Poor Visibility
Audit Findings – Crash Location 1
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Sitting bench on the shoulder - hazardous
Culvert – object hazard sign missing
Audit Findings – Crash Location
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Hazardous objects on road such as bridge, culvert,
etc.
Object Hazard Sign
Curve sign and speed limit signs
Single Chevron sign
Curve sign and speed limit signs
Recommendations – Crash Location
No overtaking Marking
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Audit Findings – Crash Location 2
Sharp curve Sharp curve
Sharp curve before school
Sharp curve after school
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MNB – object hazard sign missing
Curve sign: not as per IRC Pedestrian sign: not as per IRC
Open Drain
Audit Findings – Crash Location 2
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Recommendations – Crash Location 2
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Sharp curve Sharp curve Bridge, km 156+392
Temple at km 156+957
curve
Sharp curve on bridge
Audit Findings – Crash Location 3
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Height of the bridge is 3m or greater than 3 m
Object Hazard sign is missing Sharp curve: no-overtaking marking missing
Audit Findings – Crash Location 3
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Culvert Temple at km
157+500
Culverts near Sai Temple
Culvert: Object Hazard sign is missing
Audit Findings – Crash Location 4
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Recommendations – Crash Location 4
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Junction at km 161+500
Sharp curve
Audit Findings – Crash Location 5
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Recommendations – Crash Location 5
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Junction at km 162+600 Sharp curve Sharp curve
Bridge at km 162+835
Junction at Sharp Curve
Visibility from Minor Road of the Junction
sharp curve after bridge (newly constructed)
Bridge: Object Hazard sign is missing Visibility of Junction: poor from major road and minor road both Height of bridge: greater than 3 m, no safety barrier provide
Audit Findings – Crash Location 6
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Recommendations – Crash Location 6
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Bridge at km 165+996
Newly constructed bridge
Bridge: Object Hazard sign is missing Height of bridge: greater than 3 m, no safety barrier provide
Audit Findings – Crash Location 7
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Recommendations – Crash Location 7
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Junction at km 167+460
Culvert at km 167+350
Culvert before Junction
Sharp curve
Sharp curve at Junction
Bridge: Object Hazard sign is missing Junction: No signs and poor marking on major road, no signs/marking on minor road, no traffic calming measures
Audit Findings – Crash Location 8
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Recommendations – Crash Location 8
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Sharp curve
Junction
Temple
Sharp curve at Junction Temple
Curve: no traffic calming measures provided to reduce the speed. Junction: poor visibility, non-standard sign on major road, and non-standard signs and no marking on minor road
Major Road
Minor Road
Poor Visibility of junction from minor road and major road
Audit Findings – Crash Location 9
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Recommendations – Crash Location 9
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Sharp curve Junction
Sharp curve at Junction
Junction: not Visible from the Major Road
Curve: ‘no overtaking’ marking is provided and no traffic calming measures provided to reduce the speed. Junction: poor visibility, no sign on major road and no signs and marking on minor road.
Audit Findings – Crash Location 10
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Curve Sharp curve Junction
Market
Market
Audit Findings – Crash Location 11
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Sharp curve at km 179+141
Sharp curve at km 179+569
Sharp curve at km 179+967
Audit Findings – Crash Location12
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Sharp curve at km 180+481
Audit Findings – Crash Location 13
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Single Chevron sign
Curve sign and speed limit signs
Curve sign and speed limit signs
Recommendations – Curve Locations
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Audit Findings – Market/Residential Area
Location: Near Harda
Uda
Location: Near Harda
Timarni
Timarni
Signs are Not as per IRC standard
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Audit Findings – Market/Residential Area
Harda
Uda
Harda
Tamegaon
Markings as per IRC standard
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Audit Findings – Market/Residential Area
Trucks parked on the shoulder Location: ch. km 147 to km 147+900
Open drain in Uda Open drains, shoulder drop Location: ch. km 147 to km 147+900
Pedestrian walking on paved shoulder in Uda Open drain in Uda
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Audit Findings – Market/Residential Area
UDA: 1. Open drain 2. residential area, no footpath for VRUs
Charkheda: residential area, no footpath for VRUs
Timarni: 1. Open drain 2. Residential/ market area, no footpath for VRUs
Sodalpur: residential and market area, no footpath for VRUs
Tamegaon: market area, no footpath for VRUs
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Audit Findings – Rural Area
Signs are Not as per IRC standard
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Audit Findings – Rural Area
Markings as per IRC standard
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Audit Findings – Schools
School on left at ch. Km 168+150
School on right at ch. Km 168+150
Sign: not as per IRC
Marking: as per IRC
No special treatment provided to alert driver and reduce their speed
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Audit Findings – Untreated Junction
Under construction road at ch. Km 177+920 near Temagaon Undeveloped junction: Safety Concerns
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Recommendations
Removal of all the damaged and non-standard signage. Provide signage wherever required especially for market/residential area, at junctions, at structures, and on curve portions as per “IRC-67-2012”. Provide following signs are recommended, Mandatory sign: “stop” sign on minor road of the T-Junction, “overtaking prohibited” sign on both curves for both directions, ‘no stopping and no standing’ sign and “speed limit” signs. Cautionary sign: Provide “left hand curve”, “right hand curve”, and “single chevron” for curve. Provide “side road sign” for T-Junction. Provide “build up area” and “pedestrian crossing” for build up area. Provide “object hazard” sign at bridge/culvert location. Provide ‘guarded railway crossing’ sign. Information sign, facility information signs and route marker sign could be provided as per “IRC-67-2012”.
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Recommendations
Markings •Provide markings as per “IRC-35-2015”. •The Figure 7 shows the arrangements for the studs for a two lane road for any straight portion and the curved portion of the Project Road, as per “IRC-35-2015”. •Provide bar markings along with pedestrian crossing and hazard marking for Vulnerable Reach (Railway Crossing and Market/Residential Area), as per IRC: 99-2018, as shown in figure below.
•Provide parking restriction marking wherever trucks, buses and jeep/car are parked in market/residential area, as shown in figure below, as per IRC:35-2015.
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Recommendations
Provision for the vulnerable road users Wherever 4-lane is not feasible in build-up area (as shown in figure below) due to limited RoW, at least provide footpath cum drain of width 1.75 m along with paver block (1.0 m) and utility corridor (2.0 m), as per IRC: SP-73-2015.
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Recommendations
Road Side Hazard Provide object hazard sign at bridge/culverts. Wherever road is narrowed due to reduced width of the structure, provide arrangement as per IRC:99-2018. Any roadside obstacles such as trees, electric poles, etc. could be hazardous and a matter of safety concern. Such objects should be shifted from the right of way (RoW). As per IRC:SP:73-2015, “Wherever a permanent object cannot be removed for some reasons, provision of tandems viz. W-beam metal crash barriers and hazard markers with reflectors must be made”. Provide standard safety barrier provided at railway crossing near Harda, as per IRC:SP:73-2015. Where ever embankment heights are 3 m or above, provide safety barriers as per IRC-SP-73-2015.
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Conclusion
Road is not constructed as per design drawings especially at junctions.
The safety measures at crash locations, market area, junctions, curves,
structures, schools and religious places are completely missing.
The reasons for poor safety measures of the Project Road are;
1) no design audit at feasibility stage,
2) no design audit at construction stage,
3) poor implementation of design drawings, and
4) poor or no provision of traffic control devices such as signage, marking and
signal devices that is used to inform, guide and control traffic including
pedestrians, drivers and bicyclists.
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Thank you