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Publications

Cumulative monthly reports from JPRI

Accident Research Study - Coimbatore

Accident Research Study - Pune

Accident Research Study - Ahmedabad

Accident Research Study - Kolkatta

Accident Research Study - Jaipur

2017:

CII(Confederation of Indian Industry) Conference in Kolkata

Emerging Technologies and Innovation in Crash Investigations

Mr. Ravishankar Rajaraman, Technical Director gave a presentation on “Emerging Technologies and Innovation in Crash Investigations” and discussed about RASSI as an innovation for promoting a data-driven approach to improve safety. In addition, he discussed about the problems faced during crash scene examinations in India and the technologies – Laser Scanning and Photogrammetry - that can help in ensuring faster and more accurate scene examinations at the CII 11th Safety Symposium and Exposition conference at ITC Sonar, Kolkata on 9 Aug 2017.

JPRI Presentation for CII Conference 2017

ITAI (Institute of Traffic Accident Investigators) Conference 2017, United Kingdom

To assess the accuracy and reliability of the vehicle speeds obtained from fixed mounted cameras

Authors: Vaishnav Jethwa, Murtuza Painter, Muddassar Patel, Ravishankar Rajaraman, Ahamedali M. Hassan

Estimation of vehicle speeds from road surveillance cameras is popular in the field of road traffic management and crash investigation. Estimation of the travel speed of a vehicle involved in an accident will be helpful for determining speeding related issues for research and legal purposes. This paper assesses the accuracy of the vehicle speeds estimated from the video footages of any fix mounted camera. The principle used to estimate vehicle speed is the basic speed-distance-time relationship. This method is rapid and reliable to obtain an estimate of speed range using Closed – Circuit Television (CCTV) camera irrespective of the vehicle body type, camera position and orientation angle. The results indicate that the vehicle speed output obtained shows a tolerance range of +/- 3 kmph and percentage error ranging in-between 3% to 7% for various range of speeds. Percentage error is high for low speeds and vice versa.

JPRI paper for ITAI Conference 2017, United Kingdom

IRTE Conference in New Delhi

Assessment of Road Traffic Accidents Using RASSI Data

Mr. M Bhuvanesh Bharath Alwar, Head - Accident Reconstructions, gave a presentation on the assessment of road traffic accidents using RASSI data at the Indian Automobile Safety Conference organized by IRTE at College of Traffic Management, Faridabad on 17 May 2016.

JPRI Presentation for IRTE Conference 2016

Mumbai Pune Expressway Road Accident Study 2016

Annual Research Report

A research report, based on the 155 road traffic accidents examined on the Mumbai-Pune Expressway for the period between January 2016 and December 2016, was submitted to the Additional Director General of Police, Traffic (ADGP - Traffic). The report aims at listing all the contributing factors leading to accidents and injuries separately, and ranking them on a scale of priority to mitigate accidents and resulting injuries alike.

Mumbai Pune Expressway Road Accident Study 2016

Coimbatore Rural Road Accident Study 2016

Annual Research Report

A research report, based on the 218 road traffic accidents examined on National highways, State highways, and district/arterial roads for the period between January 2016 and December 2016, was submitted to the Superintendent of Police, Coimbatore Rural District. The report aims at listing all the contributing factors leading to accidents and injuries separately, and ranking them on a scale of priority to mitigate accidents and resulting injuries alike.

Coimbatore Rural Road Accident Study 2016

Ahmedabad Urban Road Accident Study 2016

Annual Research Report

A research report based on the 156 road traffic accidents examined in Ahmedabad city for the period between January 2016 to December 2016, was submitted to the Transport Commissioner, Gujarat. The report aims at listing all the contributing factors leading to accidents and injuries separately, and ranking them on a scale of priority to mitigate accidents and resulting injuries alike.

Ahmedabad Urban Accident Study 2016

2016:

State Level Road Safety Workshop in Jaipur

Crash Investigation

Mr. Rohan Govardhan, Project Leader-Jaipur, gave a presentation on “Crash Investigation” at a Road Safety Workshop held at State Institute Of Agriculture Management, Jaipur on 28 December 2016.

JPRI Presentation for State Level Road Safety Workshop 2016

WRI - India Vision Zero Conference in Bhubaneshwar

Crash Investigation and Black Spot Assessment

Mr. Ravishankar Rajaraman, Chairman-RASSI Technical Steering Committee, gave a presentation on "Crash Investigation and Black Spot Assessment" at the WRI-India Vision Zero conference held at Bhubaneshwar, Odisha on 19th Sep 2016.

JPRI Presentation for WRI - India Vision Zero Conference 2016

CII(Confederation of Indian Industry) Conference in Kolkata

Smart Safety Systems for Safer Kolkata City Roads

Mr. N Rameshkrishnan, Technical Manager, gave a presentation on "Smart Safety Systems for Safer Kolkata City Roads" using the one year Kolkata City Fatal Accident Study Report (2014 - 2015) at the 10th CII conference at ITC Sonar, Kolkata on 9 Sep 2016.

JPRI Presentation for CII Conference 2016

IRCOBI 2016, Seoul, South Korea

Risk of Severe Injury to Vehicle Occupants in Frontal Crashes on Indian Roads

Authors: Tara L.A.Moore, Balakumar Selvaraj, Ravishankar Rajaraman, Jeya Padmanaban

This paper analyses vehicles with frontal impacts in the RASSI database to determine the crash severity, occupant restraint use and injury severity involved. 796 vehicles with single-event frontal impacts were considered. The vehicle types involved were distributed between personal "passenger vehicles" (cars/SUVs/vans), 37%; heavy trucks, 23%; motorised two-wheelers (M2Ws), 24%; buses, 14%; and "other" (auto rickshaws, bicycles, tractors and unknown vehicles), 2%. Seventeen percent (17%) of vehicles experienced crashes with delta-V greater than 48 kph (30 mph). The proportion of high delta-V crashes is greater than seen in the US National Automotive Sampling System (NASS). M2W riders had the highest risk of sustaining at least one AIS3+ injury (61%), while bus and heavy truck occupants had the lowest risk of AIS3+ injury (4% for both groups). Occupants in passenger vehicles sustained primarily AIS3+ head, thorax and lower extremity injuries, while M2W riders sustained a greater proportion of AIS3+ head injuries and fewer thorax injuries.

JPRI paper for IRCOBI 2016, South Korea

IRTE Conference in New Delhi

Assessment of Road Traffic Accidents Using RASSI Data

Mr. M Bhuvanesh Bharath Alwar, Head - Accident Reconstructions, gave a presentation on the assessment of road traffic accidents using RASSI data at the Indian Automobile Safety Conference organized by IRTE at College of Traffic Management, Faridabad on 17 May 2016.

JPRI Presentation for IRTE Conference 2016

SIAM-SAFE Convention in Jaipur, Rajasthan

Traffic Planning: Designing Safer Roads - Using in-depth crash investigation data

Mr. Ravishankar Rajaraman, Chairman-RASSI Technical Steering Committee, gave a presentation on "Traffic Planning: Designing Safer Roads - Using in-depth crash investigation data" at the SIAM-SAFE Convention in Jaipur on 25 April 2016.

JPRI Presentation for SIAM-SAFE Convention 2016

FICCI Conference in New Delhi

Scientific Crash Investigations

Mr. Ravishankar Rajaraman, Chairman-RASSI Technical Steering Committee, gave a presentation on "Scientific Crash Investigations" at the FICCI conference on "Role of Corporates in Road safety" held at FICCI Auditorium, New Delhi on 5 April 2016.

JPRI Presentation for FICCI Conference 2016

Kolkata City Fatal Accident Study Report 2016

Annual Research Report

A research report, based on one year in-depth fatal accident study between Nov 2014 and Nov 2015 on Kolkata city roads. It was submitted to the Deputy Commissioner of Police. The report aims at listing the contributing factors leading to accidents and injuries separately and also ranking them on a scale of priority to mitigate accident and injury severity of accidents. This report also provides road engineering counter measures for 244 fatal accidents.

Kolkata City Fatal Accident Study Report 2016

2015:

TRIPP Conference in IIT Delhi

Characteristics of Single Vehicle Passenger Car Crashes on the Mumbai-Pune Expressway

Authors: Balakumar Selvaraj, Vernon Chinnadurai, Rohan Govardhan

This paper describes the characteristics of single vehicle car crashes on Mumbai Pune Expressway. A total of 404 crashes were investigated on MPEW between the period October 2012 till December 2014. 22% of these investigated crashes were fatal whereas 21% were serious injury crashes. Out of 404 crashes, 101(25%) were single vehicle non pedestrian car crashes that do not involve other vehicles or pedestrians as colliding partners. 84 (83%) crashes out of these 101 single vehicle non-pedestrian crashes were databased in the Road Accident Sampling System-India (RASSI) and are considered for in-depth accident analysis in this paper. A significant percent of crashes on MPEW are single vehicle non-pedestrian car crashes and hence it is necessary to understand the characteristics of these crashes.

JPRI paper for TRIPP Conference 2015

Ahmedabad Urban Accident Study 2015

Annual research report

A research report, based on one year in-depth accident study between Feb 2014 and Feb 2015 on selected stretches of Ahmedabad and Gandhinagar district. It was submitted to the commissioner of Transport, Govt. of Gujarat. The report aims at listing the contributing factors leading to accidents and injuries separately and also ranking them on a scale of priority to mitigate accident and injury severity of accidents.

Ahmedabad Urban Accident Study Report 2015

IRCOBI 2015, Lyon, France

Development of Accident Reconstruction Using In-Depth Accident Investigation Data in India

This paper describes the development of delta-V by crash type and vehicle type for crashes on Indian roads as part of Road Accident Sampling System - India(RASSI), an in-depth database of India road accident data. In addition, it highlights some of the difficulties faced in reconstructing accidents in a developing country. The paper includes analyses of approximately 1,000 accident cases from 2011 to 2014 in RASSI.

JPRI paper for IRCOBI 2015, France

Coimbatore Rural Road Accident Study 2015

Annual research report

A research report, based on the two years of in-depth accident study between October 2012 and October 2014, on the highways and state highways of Coimbatore, was submitted to the Superintendent of Police, Coimbatore rural. The report aims at listing the contributing factors leading to accidents and injuries separately, and also ranking them on a scale of priority to mitigate accidents and resulting injuries alike.

Coimbatore Rural Annual Report-2015

2014:

Mumbai-Pune Expressway Road Accident Study 2014

Annual research report

A research report, based on the two years of in-depth accident study on the Mumbai-Pune expressway, was submitted to the Additional Director General of Police, Traffic(ADGP-Traffic). The report aims at listing the contributing factors leading to accidents and injuries separately, and also ranking them on a scale of priority to mitigate accidents and resulting injuries alike.

MPEW Annual Report-2014

IRCOBI 2014, Berlin, Germany

An In-Depth Study of Motorized Two-Wheeler Accidents in India

Authors: Arjun P, Arjun CT, Rajkamal S, Santhosh Kumar G, Ahamedali Hassan, Ravishankar Rajaraman, Jeya Padmanaban

In India, 1 in 20,000 people die and 12 in 70,000 people sustain serious injuries every year due to road accidents. A significant portion of these crashes and injuries involve motorized two-wheelers (M2Ws). Researchers from JP Research India (JPRI) have been conducting in-depth accident investigation on National Highways in South India for the last few years. This paper presents injury findings relating to M2W crashes.

JPRI short communication paper for IRCOBI 2014, Germany

ESAR 2014, Hannover, Germany

A new methodology for determining accident and injury contributing factors and its application to road accidents on the Mumbai-Pune Expressway

Authors: Muddassar Patel, G SanthoshKumar, S Balakumar, M Bhuvanesh, Murtuza Painter, Ajay Patel, Ravishankar Rajaraman, Ahamedali Hassan, Jeya Padmanaban

This paper outlines a new, "Venn diagram" based, methodology aimed at identifying the contributing factors for accident causation and the resulting injury causation. The methodology was applied to 214 accidents on the Mumbai–Pune expressway. Factors contributing to accidents and injuries were addressed. The major human factors influencing accidents on this roadway were speeding (30%) and falling asleep (29%), while injuries were primarily due to lack of seat belt use (46%). The leading infrastructure factor for injuries was impact with a roadside manmade structure (28%), and the main vehicle factor for injuries was passenger compartment intrusion (73%). This methodology can help identify effective vehicle and infrastructure-related solutions for preventing accidents and mitigating injuries in India.

JPRI paper for ESAR 2014, Germany

2013:

Mumbai-Pune Expressway Road Accident Study 2013

Annual research report

A research report, based on the one year in-depth accident study on the Mumbai-Pune expressway, was submitted to the Additional Director General of Police, Traffic(ADGP-Traffic) and was shared with media on a press meet. The report gained good exposure because of its unique approach of listing the contributing factors leading to accidents and injuries separately, and also ranking them on a scale of priority to mitigate accidents and resulting injuries alike.

MPEW Annual Report-2013

IRCOBI 2013, Gothenburg, Sweden

The New In-depth, At-the-Scene, Accident Investigation Database in India

Authors: N Rameshkrishnan, A Sathyakumar, S Balakumar, Dr. Ahamedali M. Hassan, Ravishankar Rajaraman, Jeya Padmanaban

This paper describes key features of the India-centric in-depth accident data collection methodology RASSI, developed by a consortium of vehicle manufacturers and researchers, with support from the police. RASSI uses established techniques to ensure it is compatible with crash studies in countries such as the USA, UK, and Germany while addressing issues unique to India. The paper also offers findings from the study of a total of 377 accident investigations carried out in Coimbatore District (Tamil Nadu, India) over a period of two years (2011-2013) involved analysis of 150 fatal crashes (with 167 rider/occupant and pedestrian fatalities), 147 serious-injury crashes (219 injuries), 45 minor-injury crashes (65 injuries), and 35 no-injury crashes.

JPRI paper for IRCOBI 2013, Sweden

Coimbatore Rural Traffic Crash Research Project

Annual research report

Annual report explaining the usefulness and significance of collecting in-depth accident data and throws light on the existing limitations and a few suggestions to overcome the limitations.

Coimbatore Rural Traffic Crash Report-2013

INFATS 2013, Shenzhen, Mainland China

Characteristics of fatal accidents in India

Authors: Swastik Narayan, S Balakumar, Santhosh Kumar, M Bhuvanesh Bharath Alwar, Dr. Ahamedali M. Hassan, Ravishankar Rajaraman, Jeya Padmanaban

This paper describes the methodologies used for in-depth accident data collection for the RASSI database. Characteristics of fatal accidents are also discussed which is based on a total of 167 cases investigated in Coimbatore District (Tamil Nadu, India) during a period of one year (2011-2012). A case study was also provided for a better understanding of the working methodologies.

JPRI paper for INFATS 2013, China

SIAT 2013, Pune, India

RASSI: A systematic approach for onsite crash investigation and in-depth accident data collection in India

Authors: Jeya Padmanaban, Dr. Ahamedali M. Hassan, Ravishankar Rajaraman, Swastik Narayan, C T Arjun, Ajay Patel

This paper highlights the processes developed under RASSI to investigate on-site crashes and collect quality accident data suitable for detailed analysis to improve the safety of Indian highways and automobiles for all road users.

JPRI paper for SIAT 2013, India

2012:

iRAP Baseline Data Collection Project

A road safety audit report

JP Research India in association with iRAP (International Road Assessment Programme) performed a Baseline Data Collection project across four stretches of Karnataka and Gujarat states in India. This project was supported by the Global Road Safety Facility (GRSF) and Bloomberg Philanthropies. Traffic speed and volume studies, crash investigations, and crash data analysis were performed in these stretches by JPRI.

1. Karnataka Phase 2. Gujarat Phase

2011:

22nd ESV Conference, 2011, Washington, DC, USA

Creation of an In-depth road traffic crash database for India: The Coimbatore rural district case study

Authors: Jeya Padmanaban, Greg Stadter, Ravishankar Rajaraman, Swastik Narayan, Bharat Ramesh

This paper describes how JPRI set about to create an accident database for India based on proven in-depth accident investigation methodologies from the US and Europe.

JPRI paper for ESV 2011, USA

Presentation session for Coimbatore Rural Police

Awareness presentation

A comprehensive presentation was given to the Coimbatore Rural Police explaining how an in-depth crash investigation is done by JPRI, which helps in identifying the causal factors influencing accidnets. The session saw a good and active participation from the Police.

2010:

ICRASH 2010, Washington, DC, USA

Analysis of Fatal Crashes of Chennai City’s Metropolitan Transport Corporation (MTC) Buses

Authors: Jeya Padmanaban, Ravishankar Rajaraman, Swastik Narayan, Bharat Ramesh

This paper analyses the fatal crashes of Chennai city MTC (Metropolitan Trasnport Corporation) buses emphasizing the importance of in-depth accident data collection for improving the safety of public transport.

JPRI paper for ICRASH 2010, USA

ESAR 2010, Hanover, Germany

Analysis of in-depth crash data on Indian National Highways and impact of road design on crashes and injury severity

Authors: Jeya Padmanaban, Ravishankar Rajaraman, Swastik Narayan, Bharat Ramesh, Greg Stadter

This paper explains the change in crash patterns seen in the old and new national highways in India, based on the in-depth crash investigation studies performed by JP Research India.

JPRI paper for ESAR 2010, Germany

Coimbatore Rural Traffic Crash Research Project

Annual research report

Annual report elucidating the road safety issues and recommending counter measures for the same on each stretch of road under the study areea of JPRI in Coimbatore. The report also brings out the benefit and effectiveness upon implementing the recommendations. Alongside, the report identifies the kind of injuries suffered by respective road users viz., M2W, cars, trucks, buses, pedestrian.

Coimbatore Rural Traffic Crash Report-2010

SAE INDIA Mobility Congress 2010, Chennai, India

Analysis of Road Traffic Accidents on NH45 (Kanchipuram District)

Authors: Ravishankar Rajaraman, Dr. Ahamedali M. Hassan, Jeya Padmanaban

This paper describes key aspects of a study conducted by JP Research India on National Highway 45 in the Kanchipuram District, Tamil Nadu. Subjects covered include the methodology used and the significance of in-depth road traffic crash investigation.

NH45 Accident study

Poster paper for SAE Congress 2010

Analysis of Heavy Truck Accidents on NH45 and the Urgent Need for In-depth Truck Accident Data Collection on National Highways

Authors: Jeya Padmanaban, Ravishankar Rajaraman, Greg Stadter

This poster graphs analysis results for truck accidents on the National Highway 45 (Kanchipuram, Tamil Nadu) that were examined by our researchers. The main causes for truck accidents seen in this data set, and suggested changes that could be incorporated in vehicles, on roadways,etc. to mitigate these causes, are also shown.

2009:

IRTAD 2009, Seoul, South Korea

Road Traffic Accidents on NH45, Kanchipurum District (Tamil Nadu, India)

Authors: Ravishankar Rajaraman

This paper describes the methodology used to research traffic accidents on National Highway 45 and also examines what information can be gleaned from analysis of the data, with a particular focus on front-rear collisions involving heavy trucks.

JPRI paper for IRTAD 2009, Korea

NH45 Study 2009, Chennai, India

Heavy Truck Crash Investigation and Data Collection Methodology on Indian National Highways

Authors: Jeya Padmanaban, Ravishankar Rajaraman, Swastik Narayan, Bharat Ramesh, Greg Stadter

This poster offers data on the high number of heavy trucks involved in road accidents in India, the types of crashes seen most often, and the methodology used by JP Research India investigators for investigation of heavy truck crashes on Indian National Highways.

SIAT 2009, Pune, India

Accident Data Collection Methodology for Building a Traffic Accident Database for Tamil Nadu and India

Authors: Jeya Padmanaban, Dr. Ahamedali M. Hassan, Ravishankar Rajaraman, M. Rehan

This paper describes the methodology used for developing a road traffic accident database for Tamil Nadu, which can also be extended across India. It details the database design as well as the specific crash reconstruction methodologies to be used.

2008:

NH 45 Study report

Research report

A pilot study report on the crash investigation conducted on the NH45 was submitted to the Police official in Chennai briefing the significance of in-depth accidnet investigatinos

If you would like a copy of any of these papers, please send your detailed request to reachus@jpresearchindia.com.