As used in this act:
(a) "Institution" means the university of Kansas, university of Kansas medical center, Kansas state university of agriculture and applied science, Wichita state university, Emporia state university, Pittsburg state university, Fort Hays state university and Kansas state university Salina;
(b) "governing authority" means the state board of regents or the chief executive officer of an institution if such officer has been designated by the state board to act on its behalf in exercising the authority of the board to care for, control, maintain and supervise all roads, streets, driveways and parking facilities for vehicles on the grounds of the institution; and
(c) "vehicle" means motor vehicle, motorized bicycle and bicycle.