Traffic lights today are controlled by computers and other purpose-built systems, but what did people do before computers ...

In Japan, there's an interesting reason some green traffic lights look blue and why locals may even refer to the "go" light ...

Metro Detroit commuters who use Interstate 96 in Oakland County should be on the lookout for new traffic signaling at the ramps along Flex Route. The traffic lights have been set to flashing yellow ...

The lights help pilots determine the direction other aircraft and also play a vital role in avoiding collisions. If you've ever sat by an airplane window during a night flight, you may have noticed ...

THEY WERE INJURED. POLICE CARS, AS WE KNOW, HAVE RED AND BLUE LIGHTS. NOW CONSTRUCTION WORKERS HAVE. AMBER AND GREEN. A YEAR AFTER A BILL SIGNED BY GOVERNOR JOSH SHAPIRO LAST JULY IS ALLOWING FOR THAT ...