Complicating matters: Yellow lights are intentionally different lengths in the U.S. In most places, traffic engineers strive to give people one second to make a decision after they notice the ...

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.

The yellow light signalled drivers to slow down and prepare to stop. Potts’s invention, which became the world’s first three-lens automatic traffic light, was installed in 1921 in downtown ...

The yellow light didn’t enter the scene until the 1920s. William Potts, who was a police officer in Detroit, is credited with designing the first three- and four-way colored traffic lights.

If traffic signals could use data about vehicles' location and trajectory to either extend green lights by brief moments when cars are in the dilemma zone, or change to yellow early when no cars ...

A reader’s idea to increase the length of time for yellow traffic light change intervals makes sense in theory, but I don’t see it as practical on the Long Island I know [“Glad to see ruling ...

The yellow light didn’t enter the scene until the 1920s. William Potts, who was a police officer in Detroit, is credited with designing the first three- and four-way colored traffic lights.

The light just turned yellow and you've got a tough decision to make. Braking doesn't seem right – you're going too fast for a smooth stop. But continuing to drive also doesn't seem right – the light ...