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Journal Article

Citation

Shimada JK. Accid. Anal. Prev. 1974; 6(3-4): 309-315.

Copyright

(Copyright © 1974, Elsevier Publishing)

DOI

unavailable

PMID

unavailable

Abstract

This paper describes hazardous maneuvers and their possible utilization to evaluate hazard of roadway sites. Some established hazardous maneuvers are erratic maneuvers, traffic conflicts, near-miss and hazardous regions of vehicle pairs.Hazard is defined as an occurrence function. The possible output consists of a continuous range of manifest severity events--accidents, hazardous and borderline maneuvers. An interval of that range is described by a subfunction of the occurrence function. The input consists of driver. environment and vehicle (DEV) variables. A random variable is interrelated with the DEV variables in the occurrence function forming complex interactions.In a comprehensive hazard reduction program, the concept of hazardous maneuvers is only a subset of the total hazard. Remedial techniques would be applied to the DEV variables as suggested by models of occurrence subfunctions and conventional traffic engineering studies.

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