Traffic management in dense urban areas is an extremely complex problem with a host of conflicting goals and challenges. One of the most fundamental of those challenges happens at an intersection, ...

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 ...

The second phase of the Chambersburg Signal Improvement Project is updating 63 traffic signals in the area. Updates include responsive signal timing, flashing yellow turn arrows, and new green turn ...