The Oregon State Police, the county sheriff and municipal police are authorized to use such reasonable force as is required in the enforcement of any rule adopted pursuant to ORS 468A.405 and may take such reasonable steps as are required to assure compliance therewith, including but not limited to:\n(1) Locating appropriate signs and signals for detouring, prohibiting and stopping motor vehicle traffic; and\n(2) Issuing warnings or citations. [Formerly 449.753 and then 468.420]
Oregon Legal Code