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TRL report CPR1131 - analysis of STATS19 data to examine the relationship between the rate of vehicle accidents involving pedestrians and type approval noise levels.
There was little correlation found between vehicle involvement density (number of vehicles involved in accidents with pedestrians divided by the number of registered vehicles) and the level of noise measured at type approval. Additionally there was no evidence of a pattern in vehicle involvement densities when only considering those accidents occurring on 30mph (or slower) roads or where the pedestrian was disabled.