What you need to know: While the outcome is not always optimal, the intent is often to manage queues, prevent spillbacks, and ...

Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

Have you ever wondered how traffic lights know when to give you a signal? Reader Nick Shepard asked Bee Curious, a community-driven series in which The Sacramento Bee’s service journalism team answers ...

Emergency traffic lights are coming to Duneland communities, improving safety when police and fire departments respond to a ...

OTTAWA — The region’s cold snap may have left some hesitant about working out in the elements over the past few weeks, and that apparently included some traffic light control panels. Earlier in the ...

MADISON, Wis. -- The City of Madison received a grant from the Carbon Reduction Program that allows for a five-year plan to update the city’s traffic lights and signals. This project to "switch the ...

SCRANTON – In the works for years, plans to upgrade traffic light signals at three busy intersections finally have a green light to move ahead. In recent years, the state Department of ...