7Lynette C Goodwin. Best Practices for Road Weather Management[R]. Washington D. C.: Road Weather Management Program Office of Transportation Operations Federal Highway Administration, 2003.
8Aehintva Haldar, Sankaran Mahadevan. Reliability Assessment Using Stochastic Finite Analysis[M]. New York: John Wiley & Sons, Inc., 2000.
9ABBAS M, MCCOY P. Optimizing variable message sign locations on freeways using genetic algorithms [ C ] . Proceedings of the 78th Transportation Research Board Annum Meeting. Washington D C, National Research Council, 1999.
