This program of instruction, reviewed and accepted by the National Highway Traffic Safety Administration, was prepared for Multidisciplinary Accident Investigation teams and others. It is intended to provide background information, a working knowledge of all of the pertinent factors, investigative techniques, tools, data requirements, and field practice to enable them to properly conduct an in-depth field investigation of a traffic accident. Also, it will help them to reconstruct the accident from data collected, draw conclusions and recommendations from the results of the investigation, and to properly prepare a written report of the completed case. The course is designed for 108 hours, or 3 weeks. Major areas of instruction include lectures and practice in vehicle examination and evaluation, on-scene investigation of highway factors, tire and other pavement markings, speed estimates, brake tests, structured and semi-structured interviews, accident reconstruction, and report preparation. (Author)