A blue stop sign is pretty rare, but many want to know why they exist and whether it means anything different than a red stop ...
Brand new posts along the interstate aim to make it easier for first responders to find where they need to go.
No Passing signs tell motorists that it's dangerous to pass on a stretch of road, and that it's illegal to do so.
Have you ever pulled up to a blue stop sign in Louisiana? It clearly says STOP just like the red ones, but why is it blue?