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

Murrysville officials have had problems in recent years with crashes on Route 22 causing damage to the electrical boxes that control several traffic lights along the highway. The municipality plans to ...

Many of us dread having to go through that poorly timed intersection in our area where the light is red for several minutes, turns green just long enough to let maybe three cars through, then changes ...