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I'm thinking I might go with a train horn one day, just to make sure people get the message.
I know very little about train horns... just that they are probably used on trains.

But, while I was researching air horns, I read a MUD thread that said they have a BIG footprint... I think they said, they are best placed on a roof rack, on a 40.
We live about 100 yds from a major street, with a McDonalds and other businesses, with a big parking lot.
A few months ago, I started hearing a train whistle... with no tracks anywhere in the area... that’s when I discovered people install train horns on their vehicles.
