3Kerner B S, Demir C, Herrtwich R G, et al. Traffic State Detection with Floating Car Data in Road Networks. proceedings of the Proceed- ings of the 8th International IEEE Conference on Intelligent Transporta- tion Systems, F, 2005.
4Lozano A, Manfredi G, Nieddu L. An Algorithm for the Recognition of Levels of Congestion in Road Traffic Problems. Mathematics and Computers in Simulation, 2009,79(6) : 1926 -1934.
3H Xu. Real-time adaptive on-line traffic incident detection[J]. Proc. of the IEEE International Symp. On Intelligent Control, 1996,1,200-205.
4Natvig,M. K. , Westerheim, H.. National multimodal travel information-a strategy based on stakeholder involvement and intelligent transportation system architeeture[J]. Intelligent Transport Systems, lET. 2007,1(2) :102-109.
