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Permits by state · Our home state
What ODOT requires before an oversize or overweight load moves in Oregon: legal limits, permits, pilot cars, and when you can travel. Sourced from ODOT and Oregon rules.
The numbers
| Dimension | Legal limit |
|---|---|
| Width | 8 ft 6 in |
| Height | 14 ft 0 in |
| Gross weight | 80,000 lb, with axle and group limits per ODOT Weight Table 1 |
| Length | Varies by combination and route (ORS 818.080, ODOT Route Map 7) |
Sources: ODOT: Legal Vehicle Dimensions; ORS 818.080. Checked Oct 15, 2026.
Permits
Anything over legal size needs an ODOT Commerce and Compliance Division (CCD) permit before the load moves. ODOT issues single-trip and annual over-dimension permits. They can include county roads, and Portland city streets on annual permits only. Tax and registration requirements also apply.
Source: ODOT: Over-Dimension Operations in Oregon. Checked Oct 15, 2026.
Pilot cars
Oregon sets pilot vehicle requirements by highway, using Route Map 2 (multi-lane, plus Green, Purple and Red two-lane routes) and permit attachments 75A/82A. Highlights from ODOT's pilot car guide:
| Situation | Requirement |
|---|---|
| Purple two-lane routes | Allowed up to 14 ft wide under route rules |
| Red two-lane routes | Allowed up to 12 ft wide under route rules |
| Over 14 ft (Purple) / over 12 ft (Red) | Case-by-case district approval. Minimum of 1 front and 1 rear pilot. Day and time may be restricted. |
| Over 14 ft 6 in high | Front pilot with height pole, unless a signed liability/height declaration is on file |
| Units ≤ 12 ft wide on Group 1 highways | Exempt from a rear pilot if they meet the warning-light rules |
Some corridors have special rules, such as the Astoria-Megler Bridge (over 12 ft needs district approval) and parts of US-101 and US-26 on the coast.
Sources: ODOT Pilot Car & Special Requirements Guide (PDF); OAR 734-075-0035. Checked Oct 15, 2026.
When you can roll
Time-of-travel rules are set in permit Attachment H (OAR 734-082-0021). ODOT restricts some movements during six holiday periods, plus construction, wildfire and weather events.
Thanksgiving 2026: no movement over 8 ft 6 in wide from noon Wed, Nov 25 until ½ hour before sunrise Mon, Nov 30. Limited exceptions allow daylight travel on certain routes Thursday through Saturday, depending on width. Starting 12:01 a.m. Mon, Nov 30, loads up to 10 ft wide can run at night on Green routes and up to 12 ft on Interstates.
Sources: ODOT: Oregon Travel Restrictions and Guidelines; OAR 734-082-0021. Checked Oct 15, 2026.
Permit office
Over-Dimension Permit Unit. oregon.gov/odot/MCT: Over-Dimension Operations
Rather not deal with it? Run your load through our permit checker, then call (310) 989-6530.
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