1. An analysis of random freeway traffic accidents and vehicle disabilities;DeRose;Highway Research Record,1964
2. An analysis of the severity and incident duration of truck-involved freeway accidents;Golob;Accident Analysis and Prevention,1987
3. Influence of incidents on freeway quality of service;Goolsby;Highway Research Record,1971
4. Early Detection and Rapid Removal of Disabled Vehicles and Other Hazards from the Freeway;Juge,1974
5. Service Patrol Pilot Study;Juge,1978