Smart Safety Systems for Safer Kolkata City Roads By N - - PowerPoint PPT Presentation

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Smart Safety Systems for Safer Kolkata City Roads By N - - PowerPoint PPT Presentation

Saving lives through accident research! Smart Safety Systems for Safer Kolkata City Roads By N Rameshkrishnan Technical Manager, JP Research India Pvt. Ltd. 10 th CII Safety Symposium & Exposition 2016 Session VI: Smart Safety Systems 8 -


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Saving lives through accident research!

Smart Safety Systems for Safer Kolkata City Roads

By N Rameshkrishnan Technical Manager, JP Research India Pvt. Ltd. 10th CII Safety Symposium & Exposition 2016 Session VI: Smart Safety Systems 8 - 9 September, 2016

9 September, 2016 CII Safety Symposium & Exposition 2016 1

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Saving lives through accident research!

Kolkata city accident research initiative

  • Jointly initiated by Kolkata Traffic Police, CII, ITC and JPRI.
  • On-site crash investigation of fatal accidents with the support of Kolkata

traffic police since November 2014.

9 September, 2016 CII Safety Symposium & Exposition 2016 2

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Saving lives through accident research!

Results of

  • ne year study

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  • 316 Fatal accidents
  • Fatal accidents are

widely spread around Kolkata city.

Note: 316 fatal accidents notified to JPRI from Nov’ 2014 to Nov’ 2015.

Source: Google maps

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Results of one year study Percentage distribution of road users involved

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Pedestrians, hit & run vehicles, and two wheelers are most often involved (68%) road users in fatal accidents.

Total number of road users involved: 601 Source: Kolkata city fatal accident study report 2014 - 2015

31% 19% 18% 11% 10% 7% 3% 2% 0% 100% Pedestrian Hit & run vehicle M2W Bus Truck Car Bicyclist M3W % Road user type

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Results of one year study Percentage distribution of road users affected

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56% 29% 5% 4% 4% 2% 1% 0% 100% Pedestrian M2W Bicyclist Bus Car M3W Truck % Road user type Pedestrians, two wheelers and bicyclists account for 90% of fatalities.

Total number of road users affected: 326 Source: Kolkata city fatal accident study report 2014 - 2015

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Focus on pedestrians

182 pedestrian fatality (56%)

In Kolkata city, one pedestrian dies every second day!

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Results of one year study Contributing factors for pedestrian accidents

Human (81%) Vehicle (100%) Infrastructure (100%) Speeding more than 30Kmph (77%) Pedestrian knocked down to the ground (66%) Poor pedestrian infrastructure – crossing (72%) Driver inattention / Distraction (8%) Pedestrian run over (34%) Poor pedestrian infrastructure – walking alongside (28%) None Vision obstruction due to vehicle interiors (8%) None

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Source: Kolkata city fatal accident study report 2014 - 2015

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Saving lives through accident research!

Infrastructure factors leading to fatal pedestrian crossing accidents

  • 72% of fatal pedestrian accident occurs when pedestrians are trying to cross the road.
  • 76% of fatal pedestrian crossing accident occurs at or near junctions.

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95% 75% 73% 52% 0% 100% Ineffective traffic signals >10 m crossing No traffic signals No pedestrian crossing % Infrastructure factors

Source: Kolkata city fatal accident study report 2014 - 2015

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Example fatal pedestrian crossing accident

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Source: Kolkata Traffic Police

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Saving lives through accident research!

Smart pedestrian traffic lights

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Source: You tube

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Saving lives through accident research!

Smart pedestrian traffic lights

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Source: You tube

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Saving lives through accident research!

Smart pedestrian crossing with refuge island

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Source: www.itdp.org

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Saving lives through accident research!

Smart pedestrian crossings at intersections

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Pedestrian crossings at all sides Pedestrian crossing and the pavements should be connected Raised pedestrian crossings allowing the vehicles to slow down

Source: www.itdp.org

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Smart pedestrian infrastructure crossing solutions

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1.Proper pedestrian signals. 2.Refuge island. 3.Proper pedestrian crossing. 4.Perpendicular intersections.

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Pedestrian crossing accidents can be mitigated with the smart pedestrian crossing infrastructure solutions

Source: www.itdp.org

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Infrastructure factors leading to fatal pedestrian walking alongside accidents

  • 28% of fatal pedestrian accident occurs when pedestrians are walking

alongside the road.

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67% 60% 0% 100% No pavements Encroached pavements % Infrastructure factors

Source: Kolkata city fatal accident study report 2014 - 2015

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Saving lives through accident research!

Example fatal pedestrian walking alongside accident

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Source: Road Accident Sampling System India (RASSI)

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Saving lives through accident research!

Example fatal pedestrian walking alongside accident

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Poor pedestrian pavement facilities

Source: Road Accident Sampling System India (RASSI)

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Saving lives through accident research!

Smart pedestrian infrastructure walking alongside solutions

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1.Proper pedestrian pavements. 2.Minimum 2 meters. 3.No pavement encroachments

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Pedestrian walking alongside accidents can be mitigated with the basic smart pedestrian walking alongside infrastructure solutions

Source: www.itdp.org

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Saving lives through accident research!

Example: Vehicle factor (Knock down)

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Knock down: Pedestrians when impacted by another vehicle, lose balance due to shift in CG and fall down on the ground, resulting in injuries to the pedestrian .

Source: Kolkata Traffic Police

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Vehicle factors (Knock down accidents)

  • Two of every three (66%) pedestrian fatalities is a knock down.

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66% 49% 0% 100% Collision partner (Bus & car) Pedestrian from left % Vehicle factors

Source: Kolkata city fatal accident study report 2014 - 2015

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Smart solutions (Knock down) Autonomous Emergency Braking System (AEBS)

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Source: You tube

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Saving lives through accident research!

Smart solutions (Knock down) Autonomous Emergency Braking System (AEBS)

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Source: You tube

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Saving lives through accident research!

Smart solutions (Knock down) Blind spot assist system

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Source: You tube

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Saving lives through accident research!

Example: Vehicle factor (Run over)

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Run over: In an event of impact, pedestrians will be knock down to the ground and are run

  • ver by the wheels of the accident vehicle (usually a bus or a truck). This usually occurs due to

a large ground clearance between the vehicle and the ground.

Source: Kolkata Traffic Police

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Saving lives through accident research!

Vehicle factors (Run over accidents)

  • One of every three pedestrian fatalities is a run over

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100% 94% 0% 100% Buses and Trucks Front tires Vehicle factors

Source: Kolkata city fatal accident study report 2014 - 2015

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Smart solutions (Run over) Vehicles with low ground clearance

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  • No run over accidents seen so far in Kolkata

city with buses of low ground clearance .

  • Introducing more buses of this type will

subsequently mitigate pedestrian run over accidents in Kolkata city.

Source: Google

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Basic smart solutions (Run over) Vehicles with run over protection device

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Source: http://www.s1gard.com/videos.html

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Conclusions

  • One pedestrian dies every second day in Kolkata city roads.
  • For a safer pedestrian journey in Kolkata city roads:

1. Pedestrian infrastructure problems need to be addressed.

  • Proper pedestrian traffic lights.
  • Reduce the pedestrian crossing distance by refuge islands.
  • Intersections with proper pedestrian crossings.
  • Proper pedestrian pavements without encroachments.

2. Pedestrian vehicle problems need to be addressed.

  • Autonomous Emergency Braking Systems (AEBS).
  • Blind spot assist system.
  • Buses and trucks with low ground clearance.
  • Run over prevention device.

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Saving lives through accident research!

Thank you

reachus@jpresearchindia.com

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Download the road accident study report: http://www.jpresearchindia.com/papers.html