Browse Publications Technical Papers 2008-01-0522
2008-04-14

Analysis of Causes of Rear-end Conflicts Using Naturalistic Driving Data Collected by Video Drive Recorders 2008-01-0522

Studying traffic accidents by using naturalistic driving data has become increasingly appealing for its potential benefits in improving road safety. This paper presents findings from a field test which has been conducted on 50 taxis in the urban areas of Beijing for 10 months using Video Drive Recorders (VDRs). The VDR used in this study could record the information of vehicle front view video, vehicle states, as well as driver operations immediately before and after an event. The drivers were given no specific instructions during the test, and the instrumentation for data collection was unobtrusive. Important safety-relevant parameters, such as vehicle speed, pre-event maneuver, time headway, time-to-collision, and driver reaction time, were calculated with precision. Based on these parameters, an analysis into features and causes of rear-end conflicts is performed. The results from the analysis could support and provide guidance to the development of rear-end accident countermeasures and active safety technologies.

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