Speed-control and incident-detection on the M25 controlled motorway (summary of results 1995-2002) /
Rees, Tim.
Great Britain.Highways Agency.Safety, Standards and Research.
TRL Limited.
Berkshire : TRL,
c2004.
"Prepared for: Project Record: T020 - M25 Controlled Motorway Monitoring ; Client: Safety Standards and Research Directorate, Highways Agency"
Includes bibliographical references.
Speed limits
Traffic accidents
Express highways