Originally Posted by
Polaris OBark
In many states, there are two circumstances in which you can legally use your horn:
1. To avoid an accident.
2. On a blind turn (which is in essence a special case of #1).
I don't think any states allow it to be used to convey a message such as "get the hell out of my way".
3. Alert a distracted driver that the light is now green, & to proceed forward to no loner impede traffic.
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