Reported road casualties Great Britain: fatal 4 factsheet
These factsheets provide an overview of factors associated with fatal collisions, including speed, alcohol and drugs and seatbelt non-wearing.
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These factsheets presents the latest available statistics for fatal collisions which involve one of the ‘fatal 4’ road safety factors (RSFs) - speed, affected by alcohol or drugs, seatbelt non-wearing or mobile device use. These are areas prioritised by police to reduce the number of people killed in road collisions.
A summary of the overall role of the ‘fatal 4’ factors in road injury collisions is available form the risk behaviours chapter of the main road casualty statistics.
These factsheets provide a more in-depth analysis of each of the fatal 4 factors, including:
- collision circumstances
- drivers involved
- resulting casualties
This analysis is based on data collected via the new road safety factor reporting, for 2024 and 2025. Related analysis, for years up to 2023, is available from the previous versions of these factsheets.
The road safety statistics team welcomes any feedback on these factsheets, including suggestions for further analysis.