The traffic of our country is growing day by day, by which the control and management of traffic is a major problem. . The traffic volume is increasing regularly so controlling heavy traffic is very hard for the traffic police and the accident rate are also increasing at intersections. So to overcome the crises of increasing traffic, design of traffic signals on squares of the cities are necessary. The traffic signal helps the vehicle to move on square or intersections with safety and Ease. Thus the design of traffic signal is an essential part of traffic control in major cities, which tend to economical and safe method for proper operation of vehicles at intersections.
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