• Saurabh Porwal
• Jayaditya Khamesra
• Rudraksh Gupta
• Vansh Chhetri
• Bhim Bahadur Chhetri

Vehicular traffic at intersecting streets is typically controlled by traffic control lights. To ensure that traffic moves as smoothly and safely as possible, traffic lights require sophisticated control and coordination. Congestion in traffic is a serious problem nowadays. The traffic congestion can be caused by large red light delays, accidents, and stuck vehicles in cross-lock situations from the nearby sides due to frequent transitions of lights viz. green to red light and vice versa. Conventionally, the delay of each light is hardcoded in the traffic light and is not dependent on traffic. This calls for a need to develop a system that can optimize the delay when the traffic increases. This paper presents a density-based traffic light control and monitoring system. The system attempts to reduce the likelihood of traffic jams, caused by traffic lights, to an extent. The system is based on an MCS-51 family-based AT89S52 microcontroller. The system consists of an infrared (IR) transmitter and a receiver that are mounted on opposite sides of the road. The IR system is controlled by a microcontroller, which also monitors the number of vehicles on the road. The microcontroller makes a decision based on the density of the vehicle count and updates the traffic light delays as a result. The traffic light is placed a certain distance away from the IR system. Thus based on vehicle count, the microcontroller defines different ranges for traffic light delays and updates those accordingly. Traffic conditions on any approachable traffic signals and neighboring roads can be accessed by an administrator on a central station computer, allowing traffic congestion to be reduced to some extent.

Density Based, traffic light, traffic control, congestion control,

"Density Based Smart Traffic Control And Management System ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 10, page no.a416-a421, October-2021, Available :http://www.jetir.org/papers/JETIR2110051.pdf

"Density Based Smart Traffic Control And Management System ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 10, page no. ppa416-a421, October-2021, Available at : http://www.jetir.org/papers/JETIR2110051.pdf