- مترجم م. قربانی، م. نوریامیری، (1385)، "کتاب مدیریت ایمنی راه"معاونت آموزش و تحقیقات و فناوری.
- Buddemeyer , j. , “Rural Variable Speed Limit System for Southeast Wyoming”, (2010), Transportation Research Board , 89th Annual Meeting ,January 10-14, 2010 ,Washington, DC.
-Nilsson,G (2004A). “Traffic Safety Diemensions and the Power Model to Describe the Effect of Speed on Safety”. Bulletin 221. Lund Institute of Technology, Department of Technology and Society, Traffic Engineering, Lund.
- Carlson, R.C. ”Variable Speed Limits as a Mainline Metering Device for Freeways”, (2010), Transportation Research Board, 89th Annual Meeting, January 10-14, Washington, DC.
- "Highway Capacity Manual”, 2010.
-Melisa d. Finley, P.E., (2010), “Devices to Implement Short-Term Speed Limits in Texas Work Zones” (2009), Transportation Research Board, 89th Annual Meeting, January 10-14, Washington, DC.
"-Manual on Uniform Control Devices", 2009.
-Schneider, H. (Undated), (2008), "An Analysis of the Impact of Increased Speed Limits on Interstates and on Highways in Louisiana". Louisiana State University.
)