1. American Association of State Highway and Transportation Officials, (2004) A Policy on Geometric Design of Highways and Streets. Washington, DC, U.S.A.
2. Median U-Turn Design as an Alternative Treatment for Left Turns at Signalized Intersections;Bared;ITE Journal,2002
3. Surrogate Safety Assessment Model and Validation: Final Report. Report FHWA-HRT-08-051;Gettman,2008
4. Impacts of Access Management Techniques. Report 420. National Cooperative Highway Research Program;Gluck,1999