I was driving from a village of 13 people, Healy Lake to Fairbanks, Alaska.
So I guess the trains delayed until the state decides to lay tracks down for the dozen people living there.
Nowadays, in rural Alaska at least, it seems trains are for tourists.
You pinch your nose while awake as well, let's say whenever I stop at a red light, I pinch my nose, can't breathe, if I dream and see a red light, I'll remember to pinch my nose based off the prior habit. The marker you leave to remind you while asleep is a habit built while awake.