By authority of RCW 46.37.005 and 46.37.420, the Washington state patrol adopts the following standards for tire chains and traction devices.
Wash. Admin. Code § 204-24-005
Statutory Authority: RCW 46.37.420. 12-17-116, § 204-24-005, filed 8/21/12, effective 9/21/12. Statutory Authority: RCW 46.37.005 and 46.37.420. 08-24-030, § 204-24-005, filed 11/24/08, effective 12/25/08.