Washington’s standards for tire chains, studded tires, and their use and approval can be found in Chapter 204-24 WAC. What qualifies as traction devices?  The following equipment items are approved for use as traction devices wherever traction devices are required by WSDOT:• Tire chains (WAC 204-24-020)• Studded tires (WAC 204-24-030)• Traction […]