The governor of Maryland, Wes Moore, said at a press conference on Tuesday that thanks to the emergency signal, officials were able to stop the traffic so that no more cars would drive onto the ...

The trains were affected by several incidents between Friday night and Sunday involving the unauthorized use of an emergency stop signal, according to Polish rail authorities.

The tracks were equipped with what’s known as trip-stops, which activate a train’s emergency brakes if the train passes through a stop signal.

Emergency and public transportation vehicles in cities that deployed traffic signal priority technology saved thousands of hours in travel time in 2024. The tech safely clears the way for first ...