5Yang H,Meng Q.Highway Pricing and Capacity Choice in a Road Network under a Build-operate-transfer Scheme[J].Transportation Research,A,2000, (34).
6Subprasom k. Optimal Selection of Capacity and Toll in a Build-Operate-Transfer Scheme Under Multiple Uncertainties[J]. Journal of the Eastern Asia Society for Transportation Studies, 2003,(5).
7Hai Yang, Wilson H. Tang, Wing Man Cheung, Qiang Meng. Profitability and Welfare Gain of Private Toll Roads in a Network with Heterogeneous Users[J].Transportation Research Part A, 2002, ( 36 ).
8Feng Xiao, Hai Yang, Deren Han. Competition and Efficiency of Private Toll Roads[J].Transportation Research Part B,2007,(41 ).
9Erik T. Verhoef. Second-best Road Pricing Through Highway Franehising[J].Joumal of Urban Economies,2007,(62).
10Yang Hai, Lan W H K. Optimal Roads under conditions of queueing and congestion[J]. Transportation Research-A, 1996, 30: 319-332.