1. Benekohal, R., Hashmi, A., Orloski, R., 1993. Drivers’ opinion on work zone traffic control. Transportation Quarterly 47 (1), ENO Foundation, pp. 19–38.
2. The Economic Costs of Motor Vehicle Crashes, 1994;Blincoe,1996
3. Work zone traffic management;Bryden,1993
4. Regression analysis of count data;Cameron,1998