Road casualties quality report

This report summarises the sources and methods used to compile the road collision and casualty figures.

It also reviews the quality of the resulting figures and  a full set of definitions used for presenting these figures.

The aim of the report is to provide this background information about road collision and casualty data in a single document for all users of the published statistics.

The report covers:

• what are these statistics?
• uses and users
• strengths and limitations
• data processing
• other statistical issues
• quality

We would appreciate any feedback on the content and usefulness of this quality report.