1. A Policy on Geometric Design of Highways and Streets;American Association of State Highway Transportation Officials [AASHTO],2004
2. Modeling Traffic Accident Occurrence and Involvement;Abdel-Aty;Accident Analysis and Prevention,2000
3. Safety Effects of the Conversion of Rural Two-Lane to Four-lane Roadways Based on Cross-Sectional Models;Council,1999
4. Using conditional inference forests to identify the factors affecting crash severity on arterial corridors;Das;Journal of Safety Research,2009
5. The Handbook of Road Safety Measures;Elvik,2004