(2) The department may adopt rules to govern the procedure, and to regulate the mode and manner of all investigations under ORS 824.204, 824.206, 824.210 to 824.218, 824.224, 824.226 to 824.230, 824.238, 824.240 and 824.256.
(3) The authority granted the department by ORS 824.200 to 824.256 is in addition to and not in lieu of the authority of any city, county or other political subdivision of the state to use other remedies and procedures to provide public highways for the traveling public. [Formerly 763.080; 1997 c.249 §252; 1997 c.275 §18]