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.