INTRODUCTIONTraffic congestion is a major problem found in urban cities. Transportation systems are necessary to economic and the security of the human. The effectiveness of a transportation system depends on itsability to support the reliable movement of vehicles from one place to another. An urban traffic system is an important yet complex transportation system composed of pedestrians, vehicles, traffic lights and a traffic network model (Sheu, 2006). Problems related to urbantraffic is serious matter and many researchers are tryinghard to resolve them.