OAR 734-017-0020
Vehicles Exempt
(1)
Vehicles operated by the Department of Transportation and used in the maintenance of State Highways are exempt from the provisions of ORS 815.140 (Failure to use vehicle traction tires or chains) and division 17 rules.(2)
Vehicles operated by a utility company, such as water, power, or heat, when providing emergency response services are exempt from the provisions of ORS 815.140 (Failure to use vehicle traction tires or chains) and division 17 rules.(3)
Buses that are not towing or being towed, are exempt from the requirement to use chains when chains are required on vehicles over 10,000 GVW if modifications to make the bus fully accessible to passengers with disabilities is the sole reason for the vehicle being rated over 10,000 GVW.(4)
Motorcycles are exempt from the requirement to carry chains or traction tires and may not travel when signs are posted in accordance with division 17 rules requiring chains or traction tires on all or certain classes of vehicles.
Source:
Rule 734-017-0020 — Vehicles Exempt, https://secure.sos.state.or.us/oard/view.action?ruleNumber=734-017-0020
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