Whether automated or human, the flagger switches a sign with Stop written on one side and Slow written on the other. By swapping back and forth, traffic can flow both ways in a single lane.

This overview examines the interdisciplinary field of traffic sign comprehension and design, highlighting the vital role of ergonomic principles, cross-cultural considerations and human cognitive ...

That doesn’t mean all traffic on 581 is done. Construction is planned between Interstate 81 and Interstate 83 until September 2027 as part of a $15.4 million, 7.14-mile pavement rehabilitation ...