Accident Analysis Using Count Data for Unsignalized Intersections in Malaysia

Abstract

Accident data could be of various types. Count data being one of them. Effective accident analysis requires classification of count data with respect to geometric and control parameters. This paper focuses on the analysis of the effects of road width, land use, lane marking and traffic control on safety of unsignalized intersections. Intersection lying in non-urban areas with single line marking and no control on minor road were found to be the most vulnerable. The results are discussed and the recommendations are provided.