1. Blue V. J. Adler J. L. and List G. F. (1988). “Real-time multiple-objective path search for in-vehicle route guidance systems.” Transportation Research Record 1588 Transportation Research Board National Research Council Washington D.C. 23–29.
2. Chatterjee K. and McDonald M.(1998). “The network safety effects of dynamic route guidance.” ITS J. 4(3).
3. Dzbik L. and Persaud B. (1993). “Accident prediction models for freeways.” Transportation Research Record 1401 Transportation Research Board National Research Council Washington D.C. 55–60.
4. Hauer E. Ng J. N. and Lovell J. (1988). “Estimation of safety at signalized intersections.” Transportation Research Record 1185 Transportation Research Board National Research Council Washington D.C. 48–61.
5. Judycki D. C. (1994). Motor vehicle accident cost Federal Highway Administration Technical Advisory T7570.2 Washington D.C.