Ah, reminds me of last winter. My e-brake locked up on the drivers side while I was filling up with gas on the way to the ski resort (hella steep hill) anyway, the traffic was horrible, the snow was reported as 3" per hour, I was in a 1wd truck (open diff) with crap tires (goodyear wranglers), and yet, I was still passing 4x4s that had slid off of the road. No plows had hit so I basically climbed 11 out of the 12 mile canyon sideways before it got to be too much. I then spent a good 5 minutes sliding around and spinning one wheel trying to get turned around before I got the lovely opportunity to slide down the entire untouched side of the road sideways in 6" or so of snow 
