Why do published collision numbers differ between the Police and the County Councils or Local Authorities?

Posted on 7 October 2016

Although Devon County Council follow the Department for Transports Stats19 and Stats20 guidance relating to which collisions should be included or excluded within collision databases, the Police will keep hold of additional records so their statistics are likely to be higher. The additional collision/casualty figures tend to come from these types of collisions that we do not have records of:

Also please note that the Police tend to report statistics on a financial year basis (April to March) where as we tend to release statistics based on calendar years (January to December).