How smart traffic lights work Alexandria transportation engineer Ryan Knight helped explain how adaptive traffic signals work. “If there’s a platoon of vehicles coming from the intersection across the ...

There's a new pedestrian crossing signal in town. Rather than relying on long-standing laws requiring motorists to stop for pedestrians in a crosswalk, the Pedestrian Hybrid Beacon uses yellow and red ...

Read full article: Trooper Steve on Patrol talks new flex lanes Read full article: If school zone lights are flashing and it’s summer, do I still have to slow down? Read full article: Trooper Steve on ...

Traffic intersections will have new detection systems to improve traffic flow and create citywide signal coordination.