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Commercial vehicle permits support county and state residents and businesses by helping to ensure the safe and efficient travel of commercial motor vehicles on public roadways.
Many commercial vehicles require an over-dimensional permit, which allows a motor carrier to safely move a load that exceeds the maximum size and/or weight limits in state law. Permits can be provided for a single trip or for continuous operations. A permit spells out the conditions for moving the load, including routes, so the over-dimensional loads can be moved safely without mishaps.
Vehicle Permit Types
Issued for an individual vehicle to travel on state or county roads.
Single Trip Permit (STP)
- For 1 movement over a specified route
- Non-divisible load – weight or dimensions do not conform to legal weight or size limits
- Valid for up to 10 days from date issued
- Only issued by ODOT Motor Carrier Transportation Division, Over-Dimension Operations, 503-373-0000
Clackamas County Road Permit
A blanket permit issued by Clackamas County for a motor carrier company to allow its vehicles to use a specific roadway. To apply, contact MotorCarrierSafety@clackamas.us.
