1. Speed and safety effect of photo radar enforcement on a highway corridor in British Columbia;Chen;Accident Analysis and Prevention,2002
2. Firestine, M., McGee, H., & Toeg, P. (1989). Improving truck safety at interchanges: summary report. Report no. FHWA IP-89-024. Washington, DC: Federal Highway Administration.
3. Accident characteristics of large trucks on highway ramps;Garber,1992
4. Rehabilitation of existing freeway-arterial highway interchanges;Harwood,1983
5. Ramp/mainline speed relationships and design considerations;Harwood,1993