A traffic light controller allocates right-of-way at an intersection through a sequence of green signals. The rapid growth of population within the metropolis of Lagos is constantly increasing the challenges of accessing places with ease and that of free flow of traffic within the metropolis. This brings to mind the questions of how connected are the various sources and destination within the state and how efficient is the network of roads in the study area. Irrespective of where one’ origin or destination is, people get entangle in the stream of the traffic web as they move round Lagos. Therefore, this study aimed to examining the effectiveness of the traffic lights installation in Lagos city, with the intension of suggesting lasting measures to solving the problem, which pose traffic challenges to road users most especially during the morning and evening peak periods.