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...
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I would think that winter tires on your toad will be a minimum.
If you have driven the BC mountain passes at this time of year, you may know that it can snow any time. I definitely wouldn't want to be driving your combo in a snow storm in the mountains running summer tires.