CENTER FOR PUBLIC SAFETY
Established at Northwestern University in Evanston, Illinois in 1936, the Traffic Institute is a national nonprofit organization which serves public agencies responsible for law enforcement, criminal justice, public safety, traffic management, and highway transportation systems. Local, county, regional, state, and federal government agencies, as well as agencies from foreign countries, are served through programs of specialized training, continuing education, research and development, publications, consultation, and direct assistance. The Institute has conducted more than 6,500 courses and has taught more than 200,000 students from all fifty states and thirty-eight foreign countries.
They publish manuals of accident investigations: