Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/105509
Authors: 
Dickerson, Andrew
Peirson, John
Vickerman, Roger
Year of Publication: 
1998
Series/Report no.: 
Department of Economics Discussion Paper, University of Kent 9809
Abstract: 
This paper develops an empirical model of the relationship between road traffic accidents and traffic flows. The analysis focuses on the accident externality which is mainly determined by the difference between the marginal and average risks. The model is estimated using a new dataset which combines hourly London traffic count data from automated vehicle recorders together with police records of road accidents. The accident-flow relationship is seen to vary considerably between different road classes and geographical areas. More importantly, even having controlled for these and other differences, the accident externality is shown to vary significantly with traffic flows. In particular, while the accident externality is typically close to zero for low to moderate traffic flows, it increases substantially at high traffic flows.
Subjects: 
Road Traffic Accidents
Traffic Flows
Accident Externalities
JEL: 
C14
C80
D62
R40
Document Type: 
Working Paper

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