Q: Hello Honk: While driving through Anaheim yesterday, a pickup truck had a very loud horn. It was a train horn. Are there rules about such a thing? I found it annoying. He used it twice. – Mario ...

Train horn legality on trucks varies by state. Federal DOT rules, state-by-state restrictions, inspection-state issues, ...

Everyone uses a car horn, but did you know the meaning of that honk can vary wildly depending on where you are? According to research on non-verbal communication, in countries such as India and Italy, ...