Washington Revised Code Title 46. Motor Vehicles § 46.72.160. Local regulation

(1) Regulating entry into the business of providing for hire vehicle transportation services;

(2) Requiring a license to be purchased as a condition of operating a for hire vehicle and the right to revoke, cancel, or refuse to reissue a license for failure to comply with regulatory requirements;

(3) Controlling the rates charged for providing for hire vehicle transportation service and the manner in which rates are calculated and collected;

(4) Regulating the routes and operations of for hire vehicles, including restricting access to airports;

(5) Establishing safety and equipment requirements; and

(6) Any other requirements adopted to ensure safe and reliable for hire vehicle transportation service.