"...a big honkin' snowthrower..."

OK, same question, and I am serious here, not pulling your chain. I am a flatlander from CA, with as much experience with the dreaded white stuff as I ever want to have, but curious minds want to know. If you run that big honkin' snow thrower twice a day, it seems to me that in no time at all you are gonna have a pile of snow built up as high as the thrower can throw. So then what do you do? In my minds eye I see a pathway as wide as the snow thrower, the road, driveway, whatever, with walls of thrown snow a dozen feet tall on both sides, with more snow on the ground, and the thrower can no longer throw snow to the top of the pile...