The Romulus Fire Department was awarded nearly $4.9 million to test traffic signal preemption systems, which aim to improve safety for motorists as emergency vehicles enter and continue through ...

Traffic lights are so ubiquitous that we ... Dubious at best. IR preemption signals from an approaching emergency vehicle could plausibly be captured by a digital camera and potentially be decoded ...

A crow grooms while perching on a priority signal sensor on a traffic light at Coolidge Drive and Ranch View Road at UC Santa ...