Crash Investigation Created By Rohan Govardhan Project Leader, JP - - PowerPoint PPT Presentation

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Crash Investigation Created By Rohan Govardhan Project Leader, JP - - PowerPoint PPT Presentation

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Saving lives through accident research! Crash Investigation Created By Rohan Govardhan Project Leader, JP Research India Pvt. Ltd. State Level Road Safety Workshop Rajasthan Agricultural Research Institute, Jaipur 28 th December, 2016 Saving

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Saving lives through accident research!

Crash Investigation

Created By Rohan Govardhan Project Leader, JP Research India Pvt. Ltd.

State Level Road Safety Workshop Rajasthan Agricultural Research Institute, Jaipur 28th December, 2016

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Saving lives through accident research!

About JP Research India Pvt. Ltd. (JPRI)

  • A subsidiary of JP Research, Inc. (California USA)
  • Began operations in 2006
  • Traffic safety research and consulting firm.
  • Specialization in on-site crash investigations
  • Offices in 5 Cities in India
  • Coimbatore, Pune, Ahmedabad, Kolkata and Jaipur.
  • Over 4500 accidents investigated by JPRI.

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Founder & Coordinator RASSI Consortium Members

An in-depth crash database containing detailed crash data collected through

  • n-site crash investigations with the cooperation of the police. The crash

data, including reconstruction and injury information, is shared by a consortium of OEMs for scientific crash analysis.

Pune, Maharashtra Coimbatore, Tamil Nadu Sampling Locations Website: www.rassi.org.in Email: rassisupport@jpresearchindia.com Ahmedabad, Gujarat Kolkata, West Bengal Crash Investigation Crash Reconstruction Victim Interviews Injury Data Collection Jaipur, Rajasthan

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Current Locations and Characteristics

  • Coimbatore (South India): National/State Highways and Rural roads
  • Pune (West India): Mumbai – Pune Expressway
  • Ahmedabad (West India): City roads
  • Kolkata (East India): City roads
  • Jaipur (North India): City roads

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RASSI – A Public Private Partnership

12/29/2016 5

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Contents

  • Crash Investigation Methodology
  • Case Study
  • Monthly Accident Research Study
  • Top Factors

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What is a Road Accident?

A primer...!

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What is a road accident??

Definition:

When a motorized vehicle that is moving along a roadway collides with another vehicle, pedestrian, animal, or objects, such as tree or utility pole or starts rolling itself.

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Accident Investigation in India

  • Mostly focuses on “Who did it?”

− Driver error

  • Lack of focus on “How/Why did it happen?”

− Influence of infrastructure and vehicle factors − Injury causation

  • Focusing on driver errors alone will not help mitigate road

accidents and injuries.

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Crash Investigation Methodology

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Crash Investigation Methodology

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Case Study

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Crash Notification Phase

  • Crash details:
  • Accident date: 21st October, 2016. 1900 hrs.
  • Accident Location: B2-Bypass, Taron ki Koot
  • Vehicles involved: M2W, Pedestrian
  • Notification details:
  • Notification date and time: 21st October, 2016. 1905 hrs.
  • Response details:
  • Investigation time: 21st October, 2016. 1945 hrs.

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Crash Investigation Phase

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Vehicle Examination Scene Examination

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Crash Summary

  • Unit 1 (Motorbike [M2W], 1 occupant) was travelling towards south on

NH-52 near B2 Bypass. Unit 101 (Female pedestrian) was using a pedestrian crossing, talking to a friend, in the travel lane of M2W. On seeing the pedestrian, rider of motorbike tried to avoid impact by

  • braking. The avoidance was unsuccessful and the motorbike impacted

the pedestrian.

  • The pedestrian suffered serious injuries to the leg in the crash.

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Crash Reconstruction

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Vehicle Travel Speed Impact Speed Motorbike 28 kph 18 kph

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Injury Correlation

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1 2

1. Fractured left tibia/fibula: caused due to impact with front tyre of M2W 2. Abrasion on Left elbow: caused due to impact with windshield of M2W

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JPRI approach

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Contributing Factors

  • Factors

influencing the accident

Accident Contributing Factors

  • Factors

influencing fatal

  • r serious

injuries

Injury

Studying accident and injury factors separately is important to identify effective measures in mitigating accidents and injuries.

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Venn diagram analysis

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Human Infrastructure Vehicle h-v-i h-i h-v Each

  • f

these factors can influence an accident or injury causation independently or as a combination. For e.g. Human and Vehicle factors, Human and Infrastructure factors, Vehicle and Infrastructure factors,

  • r

all three together. Coding Sheet. Coding Manual. v-i

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Apply it to the crash (Accident factors)

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Pedestrian inattention Poor pedestrian infrastructure - Crossing None h-i

  • 1. Human.
  • Pedestrian inattention
  • 2. No vehicle factors.
  • 3. Infrastructure.
  • Poor pedestrian

infrastructure - Crossing Human and infrastructure (H-I) factors contributed to the accident.

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Apply it to the crash (Injury factors)

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None Pedestrian knockdown v

  • 1. Human.
  • No human factors.
  • 2. Vehicle.
  • Pedestrian knockdown
  • 3. No infrastructure factor.

Only vehicle factors contributed to the injury. None

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Apply it to the M2W crash (Overall)

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Pedestrian inattention Poor pedestrian infrastructure - Crossing Pedestrian knockdown h-v-i

  • 1. Human.
  • Pedestrian inattention.
  • 2. Vehicle.
  • Pedestrian knockdown.
  • 3. Infrastructure.
  • Poor pedestrian

infrastructure - Crossing. All three primary factors contributed to the accident and injury causation.

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Monthly Accident Research Study

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JPRI Operations in Jaipur City

  • JPRI started crash investigation in Jaipur city with the

support from Centre for Road Safety and Jaipur City Traffic Police.

  • Since the start of October, JPRI has investigated 38 cases in

the East Zone of Jaipur city Police Commissionerate.

  • An Accident Research Study report containing a detailed

analysis of the accidents investigated in October and November was submitted to Centre for Road Safety.

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Top Factors Leading to Accidents

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Human (84%) Vehicle(8%) Infrastructure (40%) Disobeyed traffic signal (16%) Defective brakes (4%) Poor road signage/markings (20%) Driver inattention (16%) Overloading people (4%) Poor pedestrian infrastructure – Crossing (12%) Improper lane change/lane usage (12%)

  • Poor street lighting

(8%)

Note: The above conclusions are based on 25 cases investigated from October 2016 to November 2016.

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No/Improper Road Markings

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Factor: No road markings on undivided roads. Intervention: Road markings on all sides with thick double yellow lines in median.

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Poor Placement of Pedestrian Crossings at Intersections

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Factor: Pedestrian crossings placed further away from intersections. Intervention: Shifting Pedestrian crossings closer to intersections.

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Shifting of Pedestrian Crossings at Intersections

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Traffic Calming Measures Before Pedestrian Crossings on Straight Roads

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Factor: No devices to slow down traffic before pedestrian crossings on straight roads. Intervention: Raised pedestrian crossings with signage to improve pedestrian safety.

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Top Factors Leading to Injuries

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Human(12%) Vehicle (84%) Infrastructure(17%) Helmet not used (11%) Knockdown (61%) Object impact - road side - manmade structures (11%)

  • Run-over (39%)
  • Passenger compartment

Intrusion - Other (6%)

  • Note: The above conclusions are based on 18 cases investigated from October 2016 to November

2016.

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Flower Pots Placed on Roadside/Median

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Factor: Flower pots act as rigid objects for vehicles and occupants, increasing severity. Intervention: Reducing size of flower pots placed inside median.

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Thank You!

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Email id: rohan@jpresearchindia.com Contact No: +91-9768604996