Fresnel lenses were invented over two centuries ago to help lighthouses prevent shipwrecks. They're still enhancing safety, ...

ASSOCIATION STUDY. AND IF YOU DON’T OBEY THE CROSSWALK, YOU’LL GET A TICKET. ALBUQUERQUE IS ADDING NEW TRAFFIC SIGNALS TO MAKE CROSSING THE STREET SAFER. BUT THE SIGNALS HAVE DIFFERENT RULES THAN ...

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

KNOX COUNTY, Tenn. — There are 91 traffic signals in Knox County with more on the way. Have you ever wondered how those lights know when to change and who makes sure they work? In part, it's up to ...

There's a new pedestrian crossing signal in town. Rather than relying on long-standing laws requiring motorists to stop for pedestrians in a crosswalk, the Pedestrian Hybrid Beacon uses yellow and red ...