1. American Association of State Highway and Transportation Officials (AASHTO), 2011. A Policy on Geometric Design of Highways and Streets. Washington, DC.
2. Safety evaluation of acceleration and deceleration lane length;Bared;Inst. Trans. Eng. (ITE) J.,1999
3. Bauer, K.M., Harwood, D.W., 1997. Statistical Models of Accidents on Interchange Ramps and Speed-Change Lanes. Federal Highway Administration (FHWA), FHWARD-97-106, Washington, DC.
4. Evaluating the safety impacts of the number and arrangement of lanes on freeway exit ramps;Chen;J. Accident Anal. Prev.,2009
5. Safety performance evaluation of left-side off-ramps at freeway diverge areas;Chen;J. Accident Anal. Prev.,2011