Struggling with out-of-control auto traffic downtown, Springfield decided in 1924 to experiment with traffic signals. Officials chose the intersection of Sixth and Monroe streets for the city’s first ...

Transit signal priority (TSP) and associated control strategies are critical techniques in optimising urban transport networks. By adjusting traffic signal timings or integrating adaptive algorithms, ...

Traffic was moving freely Monday after a two-car crash Sunday afternoon in Unity affected a traffic signal at Route 30 and Theatre Street. A signal control box damaged in the wreck was replaced. The ...

Sep. 17—A two-car crash Sunday afternoon in Unity Township shut down a traffic signal at Route 30 and Theatre Street, restricting left turns and cross-traffic at the intersection. Officials said the ...

Drivers in Murrysville will be detoured briefly on Friday, as work crews repair a traffic signal control box that was damaged in a crash where Manor and Mellon roads meet Route 22. Murrysville Chief ...