Abstract
This research is focused on laboratory based analysis on hardware module of traffic light with Programmable Logic Controller (PLC) software. There are four ways in hardware model for detection of vehicle; each way has one sensor button, three Light Emitted Diodes (LEDs) with individual colors say red, yellow and green represents the traffic light in each lane. Sensor and LEDs are connected to Mitsubishi Programmable Logic Controller (PLC) and each part on hardware being controlled by PLC. Ladder diagrams are programmed by software to monitor the system and helps to improve public transportation services, thereby improving traffic guidance and traffic light control. The system was developed by setting the appropriate time for the traffic lights to respond accordingly. The controller checks the priority and provides an exit signal to the traffic light post to turn the red, yellow or green lights on or off. Finally, the signal lights were successfully controlled by the PLC. Hence the system used in traffic control systems contain low power consumption, low engineering cost and increased safety.
Highlights
T RAFFIC congestion has become a major problem restricting urban development [1]
The traffic lights used by the scheduled system will change color according to the time when the officials enter, which makes the traffic flow insufficient, because the traffic density is not considered when switching the walking time and the parking time [2]
Traffic jam became a big challenge in the world it is necessary to introduce a traffic control system to be applied in cities with heavy traffic
Summary
T RAFFIC congestion has become a major problem restricting urban development [1]. The increase in congestion is due to insufficient traffic analysis and the use of time-limited traffic systems. Many patients die on the way to hospital due to time wasted due to traffic jams. Other emergency vehicles, such as firefighters and police patrols, face difficulties in performing their tasks [3,4,5,6]. Traffic jam became a big challenge in the world it is necessary to introduce a traffic control system to be applied in cities with heavy traffic. Traffic load depends to a great extent on parameters such as time, date, season, weather conditions and unexpected conditions (such as accidents, special events or construction activities) If these parameters are not considered, the traffic control system will cause bottlenecks and delays [10]. The traditional traffic control system will not be able to give priority to busy roads [14]
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