The city of Roswell is installing emergency vehicle preemption technology at all 107 of its traffic lights.
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.
In its video announcement, the city of Roswell explained how the system works: “Emergency vehicles equipped with GPS and cellular technology communicate wirelessly with traffic signals to request a green light as the vehicle approaches the intersection.” The technology, of course, also gives cross traffic a yellow then red light at the same time…