You've most certainly seen both white and yellow signs on the road indicating the speed limit. These carry different meanings ...

The signs indicating a curve is ahead are usually placed before a sharp turn, highway off-ramps, or narrow bridges. Here is ...

Question: Driving down Fanning Bridge Road the other day, I noticed that on the curves they have yellow speed limit signs that indicate a curve is coming and say the speed limit is 25 mph. My son says ...

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 ...