Road Safety Audit ‘control data’

It is important for Road Safety Auditors to try to base their comments on sound road safety experience, and, where possible, to have the means to back up the recommendations from documented sources. The Road Safety Audit standard (HD 19/15) requires the road safety problem identified to be ‘supported with the background reasoning’. Although detailed background reasoning is very seldom included in the report itself, the Road Safety Auditor should bear in mind that it may be necessary to justify comments in the future.

There are a number of reasons why the Road Safety Auditor should use control data as far as is possible: