How to Avoid Accidents

The United States Postal Service discourage their drivers from backing up. They say occasionally you're going to have to obviously based on where the car is but if you can avoid it don't back up because that's where a lot of their accidents happen. It says if you cause an accident what will you say to a grief stricken mother who has just lost a child. You're like I'm just trying to be a mailman. Who would think there'd be an excuse good enough that you would go as a mailman?