Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

Today's traffic lights can be controlled by anything from standard traffic control computers to highly advanced AI-driven computer systems that are so "smart" they can predict what's going to happen ...

The very first "horseless carriage" was seen in Utah on April 12, 1899. It was a new purchase by the Salt Lake Hardware Company (now out of business, but the building has been preserved at 400 West ...

Fresnel lenses are designed so their light can be pointed in just one direction, meaning drivers in a lane may see only the ...

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...