Where would we be without stop signs? These red, octagonal signs are a huge part of what organizes traffic across America, and they're a pretty universal signal to drivers that they should stop. Even ...

The stop sign is one of the most recognizable symbols on the road. Its octagonal shape and bright red color are universally understood, but sometimes, you might come across one that’s a different ...

Red means stop, green means go, blue means ... private property? Since the 1950s in the United States, red signposts have been the government-issued signal for traffic to stop. There were several ...

Q: Honk: Why does Caltrans leave that plastic film on its green highway signs that dissolves over time and comes off in pieces — and just looks lousy? Why not just take it off before putting a new ...