Traffic Accident Analysis, Visibility Factors, and Motorist Information Needs

摘要

Some of the topics covered in the report include: video collision reconstruction using physical evidence; analysis of high-hazard locations; is an expert systems approach feasible; safety implications of truck configuration; relationships between vertical and horizontal roadway alignments and the incidence of fatal rollover crashes in New Mexico and Georgia; evaluation of opportunity-based accident rate expressions; demonstration of regression analysis with error in the independent variable; validation of a nonautomated speed data collection methodology; standard target contrast; visibility parameter beyond luminance to evaluate the quality of roadway lighting; method of calculating the effective intensity of multiple flick flashtube signals; evaluation of alternative sign-lighting systems to reduce operating and maintenance costs; evaluation of the effectiveness of crash cushion delineation; special traffic control to meet motorist information needs on long, steep grades; advisory speed signs and curve signs and their effect on driver eye scanning and driving performance.