What’s the Purpose of That Little White Device on the Traffic Light Pole?

coordinated movement through intersections.

Better awareness of traffic conditions
Detection systems can provide useful information about vehicle presence, traffic volume, and congestion.

More responsive signal operation
Where traffic-responsive control is used, the system can adjust signal timing based on detected demand.

Support for pedestrian crossings
Pedestrian-related equipment can help signal systems respond to people who need to cross the road.

Better traffic management
Information from connected devices can help transportation agencies understand recurring congestion and identify areas that may need improvements.

These technologies don’t eliminate traffic accidents or guarantee that every intersection operates perfectly. They are tools that help transportation