Urhode, L.E, and J Tsetimi. 2022. “ANALYSIS OF TRAFFIC CONGESTION AND TRAVEL TIME USING QUEUING MODEL: A CASE STUDY OF IWO ROAD INTERSECTION, IBADAN, OYO STATE, NIGERIA”. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT 20 (1). https://delsunjse.com/index.php/njse/article/view/81.