1. Arizona Department of Transportation. (1998). Introduction to the Phoenix urban area regional freeway system. Retrieved June 29, 1998, from
http://www.dot.state.az.us/ROADS/rfs/history.htm
2. Baerwald, T. J. (1978). The emergence of a new “downtown.” Geographical Review, 68, 308–318.
3. Bannister, D., & Berechman, Y. (2001). Transport investment and the promotion of economic growth. Journal of Transport Geography, 9, 209–218.
4. Blair, J. M., & Pijawka, K. D. (2001). Evaluating success in urban freeway planning. Journal of Planning Education and Research, 21, 40–51.
5. Bowman, G. M. (2003). Highway politics in Virginia. Fairfax, VA: George Mason University.