Description

The monitoring and control of city traffic light is becoming a major problem in many countries. The increasing number of vehicles and the lower phase of highways developments have led to traffic congestion problem especially in major cities. Travel time,environment quality, life quality, and road safety are all adversely affected as a result of traffic congestions. In addition, delays due to traffic congestions also indirectly affect productivity, efficiency, and energy losses. The high number of the input & output ports of the PLC will enable this single system to control large number of outputs single handedly. Leakage can also be monitored. The PLC used in this system is a Allen Bradley-1400 which have the more number of I/O's , memory and also easy to operate.