A lot of newer cars you can't even put on tire chains, there just isn't room between the tire and fender, clearance is tight to prevent air from getting in to get than extra .0001mpg.

I've noticed that people just don't obey the rules/laws or the roads when it snows, run stop signs more than usual, drive in the middle of two lanes, etc. Last week twice I came to an intersection and the sign showing the lanes was clearly visible but a vehicle was in the middle between them, I went to the side that was widest to make the other lane and they looked at me like I was the one at fault then they went straight through the left turn ony lane when the light turned green.