Ibitoye, B. A., R. AbdulWahab, and A. Bamidele. “Evaluation of Collision Potential at Four- Legged Unsignalized Intersection Using Traffic Conflict Technique”. European Journal of Engineering and Technology Research, vol. 2, no. 3, Mar. 2017, pp. 1-4, doi:10.24018/ejeng.2017.2.3.283.