The city of Roswell is installing emergency vehicle preemption technology at all 107 of its traffic lights, along with lights run by the state.
The city’s system by Alpharetta-based Applied Information speeds up emergency response times by giving emergency responders a green light, so they can respond to emergencies faster and safer.
Each fire truck, ambulance and police car is equipped with GPS and cellular devices that communicate with traffic signals to request a green light…