Traffic engineers are quietly working on a radical idea: adding a white signal to the familiar red, yellow, and green. Instead of signaling drivers directly, the extra light would tell humans when to ...

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 ...

The red traffic light alternative color is currently being used on US road, and drivers must be aware that it is for the use of pedestrian safety.

There are three signals at a traffic light: red means stop, green means go, and yellow means that you have to slow done because the red light is about to appear. But how about if we have another light ...

Amber turn signal safety is under pressure in 2026, as fewer new cars in North America use amber rear indicators despite global standards ...