Hadji Hosseinlou M, Mahdavi A, Alinezhad M. Optimization of the Allowable Speed on Iran’s Freeways to Reduce Violations and Accidents, Using Zero-Truncated Poisson Regression Model. Civ Eng J [Internet]. 2018 Mar. 6 [cited 2025 Jul. 1];4(2):443-9. Available from: https://civilejournal.org/index.php/cej/article/view/760