Abstract

As vehicles existing many types, for example passenger vehicles or trucks, buses, there are many type roads, for example narrow country road or wide arterial highway, expressway. Therefore, it is important to implement countermeasures of safety in responding to road environment for constructing high safety road traffic society. In the former study, the author classified road types by depended on the road environment, for example the road width or with or without of centerlines, divided roads or non-divided roads and clarified characteristics of traffic accident types or violations of laws by road type using traffic accident integrated data stored at Institute for Traffic Accident Research and Data Analysis (ITARDA). However, it is difficult to construct specific countermeasures for traffic safety using factors only traffic accident types or violations of laws. So, it is important to clarify other factors, for example constitutions of accident vehicle type or hazard perception velocity of accident drivers, high-accident time zone. In this study, the author analyzed constitutions of vehicle type or hazard perception velocity, time zone by road types, using traffic accident integrated data stored at ITARDA, and clarified characteristics of traffic accident situations of each road types.

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