TIME VS. DISTANCE AS MEASURES OF EXPOSURE IN DRIVING SURVEYS

Auteur(s)
CHIPMAN, ML MACGREGOR, CG SMILEY, AM & LEE-GOSSELIN, M
Jaar
Samenvatting

A survey of drivers carried out in Ontario in 1988 has provided data on time spent driving as well as the distances driven for licensed drivers of both sexes in six age groups and three regions. Substantial differences were found in times, distances, and distance/timeratios among these groups. Men drove 50% greater distances, but spent only 30% more time driving than women; speed, averaged over each day's driving, was lower for older drivers than for younger drivers.Differences in speed reflect differences in the driving done in urban or rural areas, and differences in the opportunity for road crashes; such differences, whether based on units of time or distance, will also affect both the comparisons of accident rates and the perceptions of risk among different groups of drivers. A definition of exposure to risk of road crash is required that considers both time anddistance appropriately. (A)

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Publicatie

Bibliotheeknummer
I 852893 IRRD 9212
Uitgave

ACCIDENT ANALYSIS AND PREVENTION 1992 /12 E24 6 PAG: 679-84 T13

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