‘Road Safety in Indian Cities’In-depth accident data collectionRavishankar Rajaraman, JP Research India Pvt. Ltd
‘‘Road Safety in Indian Cities’Road Safety in Indian Cities’In-depth accident data collectionIn-depth accident data collec...
MethodologyMethodologyExaminationCrash SceneCrash VehiclesEngineering DataPC CrashSpeed EstimationsDelta - VScientific Dat...
FatalitiesFatalitiesMumbai/Maharashtra/IndiaMumbai/Maharashtra/IndiaRoad User TypeMumbai City Maharashtra State IndiaNo. o...
Mumbai City – Road Safety CheckMumbai City – Road Safety Check• Pedestrians and 2-wheelers are highly involved in fataliti...
What to collect?What to collect?• Location : GPS Log (Latitude and Longitude)Location : GPS Log (Latitude and Longitude)• ...
Pre-crash eventPre-crash event• Describes the event that occurred just before the crash.Describes the event that occurred ...
Pre-crash event - ExamplePre-crash event - ExampleJP Research India Pvt. Ltd.
Kind of AccidentKind of Accident10 types of accidents:10 types of accidents:•Collision with another vehicle which starts, ...
Crash ConfigurationCrash ConfigurationMultiple-Vehicle AccidentsHead-On Sideswipe Front-Rear Front-SideSingle-Vehicle Acci...
Use/Effectiveness of Safety SystemsUse/Effectiveness of Safety Systems• Use of Helmets (including pillion riders and child...
Ways to collect urban dataWays to collect urban data• Using CCTV camera footage (Intersection cameras)Using CCTV camera fo...
Using CCTV CameraUsing CCTV CameraNDTV Video: Women escapes truck accident
Data collection using accident videoData collection using accident video• Vehicles Involved – Scooter and TruckVehicles In...
Data collection using accident videoData collection using accident video• Pre-Crash EventPre-Crash Event– Type 2: Turning ...
Data collection using Accident ReportsData collection using Accident ReportsM2Ws, pedestrians and footboard passengers con...
““Run Over” by Tire PositionRun Over” by Tire Position• Rear tires involved in 82% ofRear tires involved in 82% ofrun over...
““Run Over” by Tire PositionRun Over” by Tire Position• Run overs involving all footboard passengers and 88% ofM2W riders ...
Crash Configuration – M2W vs. BusCrash Configuration – M2W vs. BusSideswipe collisions resulted in 80% of M2W run oversCra...
Thank You!Thank You!ravishankar@jpresearch.comravishankar@jpresearch.comJP Research India Pvt. Ltd.Data-driven road safety...
In-Depth Accident Data Collection - Ravishankar Rajaram
In-Depth Accident Data Collection - Ravishankar Rajaram
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In-Depth Accident Data Collection - Ravishankar Rajaram

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Session 3B - 'Road Safety in Indian Cities'

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In-Depth Accident Data Collection - Ravishankar Rajaram

  1. 1. ‘Road Safety in Indian Cities’In-depth accident data collectionRavishankar Rajaraman, JP Research India Pvt. Ltd
  2. 2. ‘‘Road Safety in Indian Cities’Road Safety in Indian Cities’In-depth accident data collectionIn-depth accident data collectionByByRavishankar RajaramanRavishankar RajaramanJP Research India Pvt. Ltd.JP Research India Pvt. Ltd.EMBARQ Annual Conference – “CONNECT Karo”EMBARQ Annual Conference – “CONNECT Karo”15-16 April, 201315-16 April, 2013
  3. 3. MethodologyMethodologyExaminationCrash SceneCrash VehiclesEngineering DataPC CrashSpeed EstimationsDelta - VScientific Data Collection ProcessScientific Data Collection ProcessInjury DataAIS (AAAM)ICD-10 (WHO)Injury Severity & CorrelationJP Research India Pvt. Ltd.
  4. 4. FatalitiesFatalitiesMumbai/Maharashtra/IndiaMumbai/Maharashtra/IndiaRoad User TypeMumbai City Maharashtra State IndiaNo. of Killed % Rank No. of Killed % Rank No. of Killed % RankPedestrian 247 33 1 1567 11 4 12400 9 52-Wheeler 159 21 2 4069 30 1 30624 22 1Car/Jeep 118 16 3 2401 18 2 22845 17 3Truck/Lorry 96 13 4 2255 16 3 26601 19 2Tempo/Van 41 6 5 968 7 5 8540 6 7Bus 40 5 6 685 5 8 12501 9 63-Wheeler 26 3 7 722 5 7 6792 5 8Bicycle 16 2 8 189 1 9 3134 2 9Other 0 0 9 824 6 6 13397 10 4TOTAL 743 13680 136834Source: Number of Road Accidental Deaths by type of Vehicles – 2011, Accident Deaths and Suicides in India (ADSI) Report, NCRBJP Research India Pvt. Ltd.
  5. 5. Mumbai City – Road Safety CheckMumbai City – Road Safety Check• Pedestrians and 2-wheelers are highly involved in fatalities.Pedestrians and 2-wheelers are highly involved in fatalities.• What we do not know?What we do not know?– Situations leading to the fatalities.Situations leading to the fatalities.– Collision partners.Collision partners.– Planned interventions to reduce fatalities.Planned interventions to reduce fatalities.• Where do we find answers?Where do we find answers?– In-depth accident data collectionIn-depth accident data collectionJP Research India Pvt. Ltd.
  6. 6. What to collect?What to collect?• Location : GPS Log (Latitude and Longitude)Location : GPS Log (Latitude and Longitude)• Collision partners (Road users involved in the crash)Collision partners (Road users involved in the crash)• Pre-Crash EventPre-Crash Event– Movement of collision partners just before the crashMovement of collision partners just before the crash• Kind of AccidentKind of Accident– Categorization of the accidentCategorization of the accident• Crash ConfigurationCrash Configuration– Vehicle crash descriptionVehicle crash description• Safety System UseSafety System UseJP Research India Pvt. Ltd.
  7. 7. Pre-crash eventPre-crash event• Describes the event that occurred just before the crash.Describes the event that occurred just before the crash.• Each event is a 3 digit code.Each event is a 3 digit code.• Divided into 7 major types:Divided into 7 major types:– Type 1: Driving AccidentType 1: Driving Accident– Type 2: Turning off AccidentsType 2: Turning off Accidents– Type 3: Turning in / Crossing AccidentType 3: Turning in / Crossing Accident– Type 4: Pedestrian Crossing Road AccidentType 4: Pedestrian Crossing Road Accident– Type 5: Accident with Parking TrafficType 5: Accident with Parking Traffic– Type 6: Accident in Lateral TrafficType 6: Accident in Lateral Traffic– Type 7: Other AccidentType 7: Other AccidentJP Research India Pvt. Ltd.
  8. 8. Pre-crash event - ExamplePre-crash event - ExampleJP Research India Pvt. Ltd.
  9. 9. Kind of AccidentKind of Accident10 types of accidents:10 types of accidents:•Collision with another vehicle which starts, stops or is stationaryCollision with another vehicle which starts, stops or is stationary•Collision with another vehicle moving ahead or waiting.Collision with another vehicle moving ahead or waiting.•Collision with another vehicle moving laterally in the same direction.Collision with another vehicle moving laterally in the same direction.•Collision with another oncoming vehicle.Collision with another oncoming vehicle.•Collision with another vehicle which turns into or crosses a road.Collision with another vehicle which turns into or crosses a road.•Collision between vehicle and pedestrianCollision between vehicle and pedestrian•Collision with an obstacle in the carriageway.Collision with an obstacle in the carriageway.•Leaving the carriageway to the rightLeaving the carriageway to the right•Leaving the carriageway to the left.Leaving the carriageway to the left.•Other accidents.Other accidents.JP Research India Pvt. Ltd.
  10. 10. Crash ConfigurationCrash ConfigurationMultiple-Vehicle AccidentsHead-On Sideswipe Front-Rear Front-SideSingle-Vehicle AccidentsPedestrian Rollover Fire ObjectJP Research India Pvt. Ltd.
  11. 11. Use/Effectiveness of Safety SystemsUse/Effectiveness of Safety Systems• Use of Helmets (including pillion riders and children)Use of Helmets (including pillion riders and children)• Seatbelts (including rear occupants)Seatbelts (including rear occupants)• AirbagsAirbags– Are effective only with seatbelt useAre effective only with seatbelt use– Can result in serious injuries if seatbelts are not used.Can result in serious injuries if seatbelts are not used.• Under-run protectionUnder-run protection
  12. 12. Ways to collect urban dataWays to collect urban data• Using CCTV camera footage (Intersection cameras)Using CCTV camera footage (Intersection cameras)• Coding from detailed accident recordsCoding from detailed accident records– City busesCity buses– FleetsFleets
  13. 13. Using CCTV CameraUsing CCTV CameraNDTV Video: Women escapes truck accident
  14. 14. Data collection using accident videoData collection using accident video• Vehicles Involved – Scooter and TruckVehicles Involved – Scooter and Truck• Affected road user – ScooterAffected road user – Scooter• Injury Severity – MinorInjury Severity – Minor• Safety System UseSafety System Use– Helmet use? NoHelmet use? No– Underride accident? – YesUnderride accident? – Yes• Road Structure – Intersection (Road Structure – Intersection (GPS Latitude/Longitude???)GPS Latitude/Longitude???)• Other factors:Other factors:– Driver vision obstructionDriver vision obstruction– Overtaking from left sideOvertaking from left side
  15. 15. Data collection using accident videoData collection using accident video• Pre-Crash EventPre-Crash Event– Type 2: Turning off AccidentsType 2: Turning off Accidents• Kind of Accident:Kind of Accident:– Collision with another vehicle which turns or crosses the roadCollision with another vehicle which turns or crosses the road• Crash Configuration: Front-SideCrash Configuration: Front-Side– ““Front” of the truck and right “Side” of the scooterFront” of the truck and right “Side” of the scooter
  16. 16. Data collection using Accident ReportsData collection using Accident ReportsM2Ws, pedestrians and footboard passengers constitute 89% of affected road usersin fatal MTC bus crashes.Example of MTC (Chennai City) bus fatal accident reports (2008 and 2009)
  17. 17. ““Run Over” by Tire PositionRun Over” by Tire Position• Rear tires involved in 82% ofRear tires involved in 82% ofrun oversrun overs
  18. 18. ““Run Over” by Tire PositionRun Over” by Tire Position• Run overs involving all footboard passengers and 88% ofM2W riders was due to rear tires• Engineering intervention in bus?
  19. 19. Crash Configuration – M2W vs. BusCrash Configuration – M2W vs. BusSideswipe collisions resulted in 80% of M2W run oversCrash configuration for 5% of fall downs could not be determined
  20. 20. Thank You!Thank You!ravishankar@jpresearch.comravishankar@jpresearch.comJP Research India Pvt. Ltd.Data-driven road safety strategies have proven to be highlyeffective in mitigating fatalities and injuries around the world.“CONNECT Karo”… and Data “COLLECT Karo!”

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