ESTIMATING THE SAFETY PERFORMANCE OF URBAN ROAD TRANSPORTATION NETWORKS by Dominique Lord* Center for Transportation Safety Texas Transportation Institute Texas A&M University 3135 TAMU College Station, TX 77843-3135 Tel. (979) 458-1218 E-mail: d-lord@tamu.edu Bhagwant N. Persaud Department of Civil Engineering Ryerson University 350 Victoria Ave. Toronto, Ontario M5B 2K3 Tel. (416) 979-5000, ext. 6464 E-mail: bpersaud@ryerson.ca AA&P Paper A-2160 March 1 st , 2003 * Corresponding author