Downes, J. D.

Road casualty rates and costs for the former metropolitan counties / by J. D. Downes. - Crowthorne, Berkshire, Transport Planning Division, Safety and Transportation Department, Transport and Road Research Laboratory, 1988. - 17 p. - TRRL research report, 174 0266-5247 ; . - Transport and Road Research Laboratory research report .

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Traffic accidents--Research.--Great Britain