Requirement 1 (R-1): Chains are required on all vehicles except passenger vehicles and light-duty trucks under 6,000 pounds gross weight and equipped with snow tires on at least two drive wheels. Chains must be carried by vehicles using snow tires.

How many snow chains are required for semi trucks?

California does not require trucks to carry chains during any specified time period. When the weather hits, though, it takes at least eight chains for a standard tractor-trailer configuration to comply with the regulations. During the winter months, there might be traction chain controls in the mountain areas.

Does Arizona have chain laws?

Arizona state tire chain laws. … Farm machinery with tires having protuberances that will not injure the highway. 2. Tire chains of reasonable proportions on a vehicle when required for safety because of snow, ice or other conditions tending to cause a vehicle to skid.