OAR 734-082-0023: Weather Restrictions

(1) Movement of a vehicle or combination of vehicles exceeding eight feet six inches in width is prohibited: (a) When road surfaces are hazardous due to ice, snow or frost; (b) When visibility is less than 500 feet due to snow, mist, rain, dust, smoke, fog or other atmospheric conditions; or (c) When wind or other conditions exist which could cause the vehicle or vehicles to swerve, to whip, to sway, or fail to follow substantially in the path of the towing vehicle. (2) To assist the permittee in complying with restrictions caused by weather conditions, the Department of Transportation may place signs in areas where winter weather or wind conditions may cause travel to be hazardous. In addition to the prohibitions found in section (1) of the rule, when restrictions are displayed, movement of overwidth vehicles or combinations of vehicles is prohibited.