Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has ...

Early traffic lights had only red and green, which unsurprisingly made intersections rather chaotic. Who invented the yellow ...

Youngstown City Council members are scheduled to meet next week to discuss a project that would change the traffic landscape ...

Yes, the red traffic signal on a one-lane section of Route 611 heading into the Delaware Water Gap takes a long time to turn green. No, drivers should not assume it is broken and proceed forward when ...