Traffic Indicators and Accidents: The Case of a Motorway Network in the South of France
The purpose of this paper is to study traffic conditions that precede the occurrence of road accidents, and to point out the relationship between traffic conditions and accidents. It is to combine traffic variables into indicators; then to constitute different sets of traffic conditions and accidents; and, according to the obtained results, to highlight the variations in the accident risk according to different categories of analysis. Finally, the intent is to propose using some indicators in certain contexts in order to predict potential danger, and then warn drivers. Here a traffic database (including individual speeds and headways) is analyzed in relation with the accidents occurred. The proportion of vehicle-kilometers when an accident occurs, in the case of high values of the indicator, has been matched with the same proportion in the case of low values. A tentative to take into account, changes in kinematics variables due to local conditions and traffic conditions, has been made. The results contribute to validate the link between accidents and some indicators, based on occupancy, speed and relative speed.
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Supplemental Notes:
- This paper was sponsored by TRB committee ANB20 Safety Data, Analysis and Evaluation.
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Corporate Authors:
500 Fifth Street, NW
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Authors:
- Aron, Maurice
- Seidowsky, Régine
- Ditchi, Nicolas
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Conference:
- Transportation Research Board 92nd Annual Meeting
- Location: Washington DC, United States
- Date: 2013-1-13 to 2013-1-17
- Date: 2013
Language
- English
Media Info
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: 16p
- Monograph Title: TRB 92nd Annual Meeting Compendium of Papers
Subject/Index Terms
- TRT Terms: Crash data; Crash risk forecasting; Traffic characteristics; Traffic crashes; Traffic data
- Geographic Terms: France
- Subject Areas: Data and Information Technology; Highways; Safety and Human Factors; I80: Accident Studies;
Filing Info
- Accession Number: 01477354
- Record Type: Publication
- Report/Paper Numbers: 13-4638
- Files: TRIS, TRB, ATRI
- Created Date: Apr 3 2013 9:22AM