Bureau of Transportation Statistics

Highway Safety Desk Book Handbook for police leaders.

Law enforcement web sites

Informal site consists of long list of enforcement-related sites.

National Association of Police Organizations

U.S.-based coalition of police unions and associations that advances the interests of officers through legislative and legal advocacy, political action, and education.

National Committee on Uniform traffic Laws and Ordinances (US)

Non-profit membership organization dedicated to providing uniformity of traffic laws and regulations through the timely dissemination of information and model legislation on traffic safety issues.

National Traffic Enforcement Association (US)

Promoting the interests of traffic enforcement officers.

Police Training Institute

University of Illinois at Urbana Champaign, USA.

SENSE

Safety by Education, Not Speed Enforcement is an organization that strongly opposes photo radar, especially in Canada's British Columbia.

Traffic Institute for Police services

Pennsylvania's leader in law enforcement training

Traffic Safety Law Center

A University of New Mexico, USA, center working to develop programs, research legal issues in traffic safety, and provide training for prosecutors, judges, and police officers on DWI prosecution and sentencing.