Washington State Department of Transportation310 Maple Park Ave. SEPO Box 47300Olympia, WA 98504-7300(360) 705-7000www.wsdot.wa.gov
Washington State Utilities and Transportation CommissionPO Box 47250Olympia, WA 98204-7250(360) 664-1222(360) 586-1181www.wutc.wa.gov
Department of LicensingPermit Bond/Fuel Tax DivisionPO Box 9228Olympia, WA 98507-9228(360) 664-1868(360) 570-7839 faxwww.wa.gov/dol.com