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

DOTHAN, Ala. (WTVY) - Traffic woes are coming to a standstill in Dothan. City crews have been working to reprogram traffic light sensors at intersections across the Circle City to help ease delays.

Efficient traffic management in urban areas remains a significant challenge as vehicle density grows and infrastructure ...

DOTHAN, Ala. (WTVY) - People driving in downtown Dothan are waiting longer than usual at certain traffic lights. At the Alice and West Main Street intersection, the wait time at red lights is ...

PORTLAND Ore. (KPTV) - New traffic signal technology is coming to one of Portland’s most dangerous streets. The Portland Bureau of Transportation (PBOT) says the new sensors will be tested on ...

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 ...