7Hwang K P, Lee W H, Wu W B. Travel time prediction by weighted fusion of probing vehicles and vehicle detectors data sources [C]//The 12th International Conference on ITS Telecommunications, Taibei: IEEE Communication Society, 2012: 476-481.
8Nour- Eddin El Faouzi, Lawrence A Klein, Olivier De Mouzon. Improving travel time estimates from inductive loop and toll collection data with dempster-shafer data fusion[J]. Transportation Research Record, 2009, 2129(1): 73-80.
9Yoshikazu Ohba, Hideki Ueno, Masao Kuwahara. Travel time calculation method for expressway using toll collection system data [C]//IEEE/IEEJ/JSAI International Conference on Intelligent Transportation Systems, Tokyo: IEEE Intelligent Transportation System Council, 1999: 471-475.
10F Soriguera, D Rosas, F Robuste. Travel time measurement in closed toll highways[J]. Transportation Research Part B, 2010, 44(10): 1242-1267.