1. The valuation of reliability for personal travel;Bates;Transportation Research part E,2001
2. Emam, E.B., Al-Deek, H., 2005. A new methodology for estimating travel time reliability in a freeway corridor. In: Proceedings of the 84th TRB annual meeting, Washington, DC.
3. Fowkes, A.S., Watson, S.M., 1989. Sample Size Determination to Evaluate the Impact of Highway Improvement. Working Paper No. 282, Institute for Transport Studies, University of Leeds, Great Britain.
4. Distribution of bus transit on-time performance;Guehthner;Transportation Research Record,1985
5. Direct versus indirect models for the effects of unreliability;Hollander;Transportation Research Part A,2006