I live in the Atlanta suburbs and for the most part, don't have issues with cars. Yes, I get honked at probably once a week, but it doesn't really bother me. Whatever. I use hand signals and act just like a car with regard to obeying traffic laws. I also stay far to the right (as long as it's safe for me to do so), make sure to let other drivers know of my intentions and give a friendly wave when they give me the right of way or let me go ahead of them. Beyond that, I trust my guardian angel.
She's going the distance...
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'14 Orbea Orca Dama, Specialized Jett
'10 Giant Avail
'87 Schwinn Cimarron, Brooks B17
Trek mountain bike...don't know what year