The idea to add the yellow light came from railroads, which were already using three lights. It would become a standard for vehicle traffic by the next decade. That first three-color, four-way ...

The yellow light would not come into play until the 1920s. William Potts, who was a police officer in Detroit, is credited for designing the first three and four-way colored traffic lights.

Garrett A. Morgan & The 3-way traffic light Did you know an African American man by the name of Garrett A. Morgan invented the three-way traffic signal back in 1923?

A replica of Garrett Morgan’s three-way traffic signal invention from 1923 on display at the Western Reserve Historical Society in Cleveland. Garrett Morgan would go on to invent a safety hood, a ...

ELIZABETHTON, Tenn. (WCYB) — Those traveling in Elizabethton will soon notice a different traffic pattern. The city is removing a traffic light at East E. Street and North Sycamore Street. This ...

Traffic lights are an ever-present part of road safety in the modern world. Drivers make their way through a series of intersections to get to their destination. The U.S. Department of ...

A three-way traffic light previously existed at the same intersection. In 2015 an over-height tractor-trailer irreparably damaged the original light, and for eight years traffic has flowed freely.