We may have to travel from Calgary to Vancouver sometime around the end of October. I know there are chains laws at that time Our mh is a 42 ft. and we do not have snow tires nor are there any availab...
You only have to have chains available to you, not use them. Buy the cheapest, lightest set you can find, then pay attention to the forecast. AutoSocks are also acceptable, if you want to push your luck a bit.