Any driver should know that red traffic lights mean “stop” and green lights mean “go,” but whether yellow lights mean “slow down” or “go faster” may be up for debate. Yellow lights, the temporary ...

On Feb. 3, 1965, members of the Sebewaing Woman’s Club met at the home of Mrs. John Konkle in that small Michigan town to hear about the life of William L. Potts, an influential inventor known as “Mr.

Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration. They are posted for “a small portion ...