M+S or Winter tires required in western U.S.?
I did a search of DOT websites. It appears M+S or winter (mountain-snowflake marked) tires are not required in WA, ID, MT, UT, CA, NV, AZ unless conditions warrant authorities to require them i.e....
Forum Discussion
I've owned 4wd vehicles since 1989 and always had chains for each of them, yet have never used them. Although I avoid towing during times where chain control is possible, I have no reservations taking the camper on the back of the truck.
