If you ever wondered why the signs that you see on the highway, particularly green, here are some safety-based reasons you ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WHTM) — When driving on an interstate or ...

When you’re driving down the highway, you naturally pay attention to traffic signs. But do you ever think about why they look the way they do or why they’re a certain color? Take the green ones. Green ...

Q: Doug Brown of Moreno Valley asked about the large green signs that hang above freeway lanes that indicate the distance to upcoming exits. The new green signs are covered with a clear protective ...