Answer:
A traffic controller is basically a system design to regulate traffic in a controlled manner with a set of traffic rules to follow so as to ensure public safety .
The main functions of a traffic light controller are listed below:
- To direct and regulate vehicular and pedestrian traffic
- To ensure safety of construction workers, emergency response team and public in general in order to avoid accidents
- These also uses CCTV and other monitoring system to manage flow of traffic and suggestion concerned with traffic congestion. These are provided by local or state authorities.
- To ensure smooth traffic flow in order to save time and chaos.