> As someone who grew up in a rural area, honking before going around turns on small roads or crossing single-lane bridges you couldn’t see the other side of was something we did regularly to avoid being hit.

I've never found this in rural Indiana, but I wish it were common practice. I've found people often simply assume no one is coming because there are so few cars on the back roads; very nearly experienced a head-on collision approaching one curve a few years ago.