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Considerations on speed selection and risk homeostasis in driving

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Author: Janssen, W.H. · Tenkink, E.
Institution: Instituut voor Zintuigfysiologie TNO
Source:Accident Anal. & Prevention, 2, 20, 137-142
Identifier: 6574
Keywords: traffic · car driving · human · traffic accident · Accidents, Traffic · Automobile Driving · Behavior · Human · Risk Factors · Statistics


Risk-taking behavior by drivers is put within the context of a general model of utility maximization by speed choice. It is shown that so-called "risk homeostasis" is possible only under very restrictive conditions. Under more general conditions, risk compensation can occur; that is, the safety effects expected from engineering measures will be discounted to a considerable degree by shifts in behavior