Oregon Revised Statutes Highways, Roads, Bridges and Ferries § 390.990

(1) Subject to ORS 153.022, a person commits a Class A violation if the person violates:

(2) Notwithstanding any other provision of this section, violation of any rule adopted under this chapter for the regulation of vehicle speed in parks, including violations of rules relating to driving vehicles at a speed greater than a posted speed limit or greater than is reasonable and prudent, are subject to the same penalties as provided in ORS 811.109 for violation of a specific speed limit imposed under law or violation of a posted speed limit.