For the purposes of this section:
(1) "Department" means the Washington state department of transportation (WSDOT).
(2) "Permittee" means any person, organization, or entity issued a special event permit under this section.
(3) "Special highway use" or "special event" means any organized activity conducted within a state highway right-of-way that may affect normal highway operations including, but not limited to, parades, filming activities, bicycle events, pedestrian events, concerts, festivals, funeral escorts or processions, car shows, and similar activities.
(4) "State highway" has the same meaning as provided in RCW 47.04.010 and includes state routes and interstate facilities under the jurisdiction of the department.