Adopt-a-Highway signs are a ubiquitous fixture on United States roadways, and there’s a good reason why: States save millions of dollars each year by turning over trash pickup to groups that ...

On many United States interstates and state highways, you’ll find variable message signs (VMS) that display ever-changing notices to warn drivers of delays, adverse weather conditions ...

THEY’RE CRANKING OUT UP TO 100 SIGNS A DAY, AND THEY LOOK A LOT DIFFERENT NOW THAN THEY USED TO. FROM THE STREET YOU LIVE ON, TO THE HIGHWAY YOU ... DICTATES THE SHAPE, SIZE, AND COLOR OF ...

from the United States Federal Highway Administration, that released on Dec. 1. According to the manual, which includes a change in rules governing how signs and other traffic control devices ...