Originally Posted by KsKatt
Kansas, last I knew;
If you are going to drive a car into town, you have to call 30 minutes in advance so people can be sure to have their horses tethered securely.
If you are driving and come across a horse and rider, you are to drive your car into the ditch and cover it with branches, whatever, until the horse is passed.
I remember your second example being mentioned in the newspaper when I lived in Kansas. There was another mentioned that said: if you ride your horse after dark you had to affix a lantern to its tail.