Before 1971 the yield sign in the US had yellow color - you find them like that on rough old roads. The early prototype appeared in 1950 in the US in Tulsa, Oklahoma. Police officer Clinton Riggs ...

QUICK. WHAT color are yield signs? Of course. They’re yellow with black edging and lettering. Everyone knows that. Last month, a number of readers commented on yield signs, in particular, the ...

"The original yield sign was keystone shaped and read 'Yield ... material was not yet available and yellow was the most visible color at night," according to RoadTrafficSigns.

On behalf of Chief Kevin Ouellet and the staff at the Amesbury Police Department, I would like to wish readers a happy and safe Independence Day. We ask residents to ...

TULSA — The first yield sign was invented in Tulsa by a police captain. ... It’s a different shape, it’s a keystone shape instead of a triangle. It’s also a different color.