Traffic jam has been one of the major concerns that biggest cities are facing in spite of measures being taken to moderate and reduce it

Traffic jam has been one of the major concerns that biggest cities are facing in spite of measures being taken to moderate and reduce it. In the recent past, traffic congestion has appeared as one of the main challenges for engineers, planners, and policymakers in urban areas. Modern social and economic structures, shaped by car-oriented urban development and rapid growth in vehicle ownership, have established congestion as an inescapable reality of urban life. The expanding impact of congestion is seen in terms of worsening urban air quality besides other adverse effects on quality of urban living, there are many different causes which case traffic jam and every cause of them has an individual solution that only operates among it