1. Value pricing pilot program;Berg;TR News,1999
2. Chu, X., Fielding, G.J., 1994. Electronic road pricing in Southern California: policy obstacles to congestion pricing. In: Paper presented at the Conference on Advanced Technologies in Transportation and Traffic Management held in Singapore
3. Dahlgren, J., 1999. High-occupancy vehicle/toll lanes: how do they operate and where do they make sense? PATH working paper, UCB-ITS-PWP-99-08, Berkeley
4. Downs, A., 1992. Stuck in traffic: coping with peak-hour traffic congestion. The Brookings Institution, Washington, DC and the Lincoln Institute of Land Policy, Cambridge, MA
5. Economic Evaluation Branch, Transport Canada, 1994. Guide to Benefit-Cost Analysis in Transport Canada. TP 11875E, Canada