Squirrels seem to be like teenagers. I was coming down an incline into a parking lot one day years ago and there were three oblivious teenagers in front of me walking three abreast down the middle of the road. I move to the left to get around them. They panicked and ran to the left. I moved to the right to get around them. They ran to the right. I finally got past them without running over one.

My procedure now with squirrels is to stop and apologize for getting in their way, and ask them to please go first.