Traffic congestion arises mostly in density populated areas where the number of road users and vehicles are on increase beyond the intended capacity of road at an instance of time. In this area, the congestion is mostly caused by violation rules, poor traffic management, accidents and low response to removal of broken down vehicles. Providing solution to this problem req uires urgent attention due to its adverse effect on human daily activities such as waste of valuable time on the road, which possess treats to the economy, loss of life due to accidents and hindrances experienced by emergency vehicles in rendering their adequate services. This paper proposed a solution to control the flow of traffic at road junctions by modifying a round robin scheduling algorithm through assigning priorities to emergency vehicle at their arrivals and consequently use of traffic control barricade to enforce strict compliance of traffic rules to the vehicle road users. The results obtained show that the Modified Smart Optimized Round Robin Algorithm reduced the total and average waiting time of vehicles by 11.61%, though with a drop by 13.52% as emergency vehicle arrival increased.
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