RCW 46.01.030
RCW 46.01.030: Administration and improvement of certain motor vehicle laws.
The department is responsible for administering and recommending the improvement of the motor vehicle laws of this state relating to: (1) Driver examining and licensing; (2) Driver improvement; (3) Driver records; (4) Financial responsibility; (5) Certificates of title; (6) Vehicle registration certificates and license plates; (7) Proration and reciprocity; (8) Liquid fuel tax collections; (9) Licensing of dealers, motor vehicle transporters, motor vehicle wreckers, for hire vehicles, and drivers' schools; (10) General highway safety promotion in cooperation with the Washington state patrol and traffic safety commission; and (11) Such other activities as the legislature may provide.