Apparently blue means the same thing. Reader's Digest recently found that, while rare, blue stop signs do exist on U.S. soil.

Not every traffic light is sensor sensitive. But if it is, there will be physical signs. According to one redditor from the r/explainlikeimfive subreddit, drivers on the hunt for these sensors ...

Navigation apps already know where stop signs and traffic lights are located, mainly because vehicles on the road stop in front of them. These applications collect traffic data that help them ...