1. Cheney, C. N. 1992. “Keeping Buses Moving.” Paper presented at the proceedings of seminar D: public transport planning and operations, 20th European Transport Forum, PTRC, Manchester, 129–140.
2. Department for Transport. 2000. “Bus Priority in SCOOT.” Traffic Advisory Leaflet 8/00, December 2000.
3. Department of the Environment, Transport and the Regions. 1997. “Keeping Buses Moving.” Local Transport Note, The Stationery Office: London, No. 1/97.
4. Gardner, K., C. D'Souza, N. Hounsell, B. Shrestha, and D. Bretherton. 2009. “Review of Bus Priority at Traffic Signals around the World.” Working Group: Interaction of buses and signals at road crossings, UITP, Final Report Version 2.0.
5. Hounsell, N. B., and F. N. McLeod. 1999. “Automatic Vehicle Location and Bus Priority: The London System.” Paper presented at the selected proceedings of the 8th world conference on transport research, Antwerp, Belgium, Vol. 2.