Oregon Oversize & Overweight Permit Rules
What a load can be in Oregon without a permit, where the permit and escort tiers start on 2-lane roads and multi-lane roads, when it can move, and who to call. Every figure is the JaloPermit Atlas entry for Oregon, shown as the app shows it.
Rules as of Jul 31, 2026 · Links checked Jul 13, 2026
Read this before you trust a number. Rules change. The issued permit, posted signs and the state permit office always win over this page. JaloPermit is a reading aid, not a permit-filing service. Guests get 3 free decodes a day with no account and no card, logged-in users get 10 a day, and extra decodes are $3.50 each with no subscription.
What moves in Oregon without a permit
Legal limits are the dimensions and gross weight a vehicle may run at without an oversize or overweight permit. Oregon publishes its length limit as overall combination, so compare it against that measurement on your permit, not the overall rig.
Where the permit and escort tiers start
| Dimension | Legal without permit | Permit tier starts | First escort on 2-lane roads | First escort on multi-lane roads |
|---|---|---|---|---|
| Width | 8'6" | 8'7" | 9'1" · Front escort | 14'1" · Rear escort |
| Height | 14'0" | 14'1" | 14'7" · Front + High pole | 14'7" · Front + High pole |
| Length | 60'0"overall combination | 65'1" | 95'1" · Front escort | 120'1" · Rear escort |
| Weight | 80,000 lbs | 80,001 lbs | No escort tier (permit only) | No escort tier (permit only) |
"Permit tier starts" is the lowest size in the Atlas ladder that needs a permit. "First escort" is the lowest size that adds a private or police escort on that road class; the full ladder with each tier's rule and source is below.
Oregon escort ladder, tier by tier
Open a tier to read the rule behind it, quoted with its source. Amber tiers add a police escort or a superload review; grey tiers are permit-only with conditions.
On 2-lane roads
Escorts begin at 9'1" wide
Width
Permit required8'7" – 9'
Two-lane state highways: the chart shows NONE for 8'7" to 9'0" on Route Map 2 GREEN and PURPLE routes and on Group Map 1 Black routes. CONDITIONAL: a Route Map 2 RED route takes its Group Map 1 color - Group Map 1 Blue routes require ONE escort (pilot vehicle) and Group Map 1 Red routes require TWO escorts, one front and one rear, from 8'7". ROAD-CLASS MAPPING: 'non_interstate' = two-lane state highways, encoded as the worst case of ODOT's GREEN and PURPLE columns; the stricter Route Map 2 RED / Group Map 1 cases are carried in these notes because the two-class model cannot express them. Permit required above the 8'6" legal width.
Front escort9'1" – 12'
Route Map 2 PURPLE two-lane routes require ONE pilot vehicle from 9'1" through 12'0", travelling in FRONT ('When one pilot vehicle is required, it shall travel in front of the oversize unit'). GREEN two-lane routes require none below 12'1". STRICTER CASES on Route Map 2 RED routes: Group Map 1 Black and Blue routes require one from 9'1" and TWO from 11'1", and Group Map 1 Red routes require TWO (front and rear) throughout this range. Amber warning lights above the cab are required once width exceeds 10 feet on a two-lane highway.
Front + Rear12'1" – 14'
Route Map 2 PURPLE two-lane routes require TWO pilot vehicles for 12'1" to 14'0" - 'When two pilot vehicles are required, one shall be in front and one shall be at the rear of the oversize unit.' GREEN two-lane routes require ONE (front) in this range. On Route Map 2 RED routes the 5-2026 legend makes 12'1" to 14'0" 'Specified on Single-Trip Permit'; permit Attachment 82A (1-23) showed TWO on all three Group Map 1 colors. Over 12 feet wide also triggers certified flaggers at 17 named structures or the three-pilot-car Certified Rolling Stop, and blanket authorization does not allow Purple (wider than 12 feet) or Red routes as through routes.
Front + Rear14'1" – 16'
SUPERLOAD on two-lane highways: 'Over 14 feet wide on any state two-lane highway for non-divisible loads' is a superload (ODOT Oregon Superloads). Route Map 2 GREEN two-lane routes require TWO pilot vehicles (one front, one rear) for 14'1" to 16'0"; PURPLE and Route Map 2 RED routes are 'Specified on Single-Trip Permit' in the 5-2026 legend (Attachment 82A (1-23) showed TWO on every two-lane column). ODOT's Pilot Car Guide (May 2026) floor over 14 feet on Purple routes is 'a minimum of one front and one rear pilot vehicle' (Districts 1, 2B, 2C, 3, 4, 5, 7 and 8) and 'a minimum of two front and one rear pilot vehicles' (Districts 9, 10, 11 and Region 5), so 2 is the guaranteed floor and 3 applies across eastern and southern Oregon.
Front + Rear16'1"+
SUPERLOAD: the chart says 'Specified on Single-Trip Permit' above 16'0". ODOT's Pilot Car Guide floor for two-lane GREEN routes over 16 feet is 'a minimum of one front and one rear pilot vehicle' (Districts 1 through 8) and 'a minimum of two front and one rear pilot vehicles' (Districts 9, 10, 11 and Region 5), so 2 is a floor and 3 is common; Purple and Red two-lane routes have been in permit-specified territory since 14 feet and 12 feet respectively. A few blanket-authorized 16'1" to 17'0" corridors exist (US26 Portland-Prineville, US97 Biggs Junction-Bend, OR126 Redmond-Prineville, US20 Bend-Burns, OR78 Burns-Burns Junction, US95 Idaho border to Nevada border) and each requires two front and one rear pilot vehicles with axle width not over 12 feet and overall length not over 150 feet. District approval, traffic control plan and route survey apply.
Height
Permit required14'1" – 14'6"
Permit required above Oregon's 14'0" legal height; the pilot chart shows 'None' for 14'1" to 14'6" on all state highways. CONDITIONAL: Route Map 3 red routes are not authorized above 14'0", and named low structures impose traffic control at this height - at the US101 Umpqua River Bridge (mp 211.21) all loads over 14'0" high and over 10'0" wide, and all loads over 14'2" high regardless of width, 'must stop traffic, straddle the centerline, and proceed at 10 mph', with the same instruction at the Coquille River Bridge, the US26 Sunset Tunnel and the OR126 Knowles Creek Tunnel. Pilot cars may not stop traffic; stopping traffic requires ODOT-certified flaggers.
Front + High pole14'7" – 17'
Chart: 'More than 14'6" - One' on all state highways, travelling in front ('When a pilot vehicle is required for height, it shall travel in the front'). Legend note, verbatim: 'When height exceeds 14 feet 06 inches a front pilot vehicle with height pole is required, unless the permittee has filed a declaration with CCD assuming complete and total liability for any and all injury and damage that may result from the overheight movement.' The pole must be non-conductive, measure as high as the load, and be deployed when crossing under a structure. ODOT states the same rule as a two-way choice: a single-trip permit for a load over 14 feet 6 inches high must either 'Use a pilot car escort with an overheight pole in front of the high load throughout the trip' or have Declaration Form 735-9930 (Attachment 82A - Non-Divisible Loads) on file with CCD.
Front + High pole17'1"+
SUPERLOAD: 'Over 17 feet high on any highway' is a superload (ODOT Oregon Superloads). The pilot chart still sets ONE front pilot vehicle with height pole as the published minimum, so 1 is a floor: superload permits add Attachment SL (Driver and Other Requirements for Superloads, form 2364), may require a route survey by ODOT regional electrical crews and a traffic control plan run with certified flaggers alongside the carrier's pilot cars, and can take up to 10 days to issue. ODOT may monitor the move and bill the carrier.
Length
Permit required65'1" – 95'
Permit required above the legal overall length (Group Map 1: 60'0" overall on Group 3 highways, 65'0" on Group 2, 75'0" on Group 1). The length pilot chart begins at 95'1", so length alone requires no pilot vehicle below that. CONDITIONAL: 'Front overhang exceeding 15 feet beyond the front bumper or foremost part of the vehicle' requires ONE escort (pilot vehicle) in FRONT on two-lane state highways, at any overall length.
Front escort95'1" – 110'
Chart: '95'01" to 110' - ONE' on all other two-lane state highways; the single pilot vehicle travels in FRONT on two-lane highways. Route Map 2 GREEN two-lane routes require NONE in this range - their length requirement starts at 110'1". Front overhang exceeding 15 feet independently requires one front pilot vehicle on two-lane highways.
Front escort110'1" – 120'
Chart: '110'01" to 120' - ONE' on Route Map 2 GREEN two-lane routes and on all other two-lane state highways alike; the single pilot vehicle travels in front.
Front + Rear120'1" – 150'
Chart: '120'01" to 150' - TWO' on Route Map 2 GREEN two-lane routes and on all other two-lane state highways - one in front and one at the rear. This extends the shipped 120'1"-140'0" tier: the two-pilot requirement runs to 150'0", so a 145-foot load on a two-lane state highway is not escort-free.
Front + Rear150'1"+
SUPERLOAD: 'Overall length greater than 150 feet' is a superload (ODOT Oregon Superloads) and the chart says 'Specified on Single-Trip Permit'. CONSERVATIVE CARRYOVER - the count shown is the published 120'1" to 150'0" two-pilot minimum carried forward as a floor, because ODOT publishes no fixed number above 150 feet. Superload moves add Attachment SL driver requirements, a possible route survey by regional electrical crews, and a traffic control plan run with certified flaggers and additional pilot cars.
Weight
Permit required80,001 lbs+
Overweight permit required above the 80,000 lb legal gross (Weight Table 1); extended weight runs 'Up to 105,500 pounds gross weight' under Weight Table 2, and Weight Table 3 heavy-haul 'Annual Continuous Operation Permits allows up to 98,000 pounds for non-divisible loads'. Oregon keys pilot vehicles to dimensions, not weight: OAR 734-082-0035(1) names 'excessive width, height, length or projections' only, all four pilot charts in Attachment 82A / the Route Map 2 legend are width, length, height and front-overhang charts, and ODOT's superload definition sets no weight threshold. CONDITIONAL: overweight loads, even those qualifying for extended weight with legal axle weights, 'are prohibited from crossing certain weight restricted bridges in Oregon' (Route Map 8 list), and a permit's Special Conditions may require escorts, bridge-crossing restrictions, a traffic control plan or an ODOT-monitored move for a heavy load; county roads and city streets need their own permit and posted structure limits may not be exceeded.
On multi-lane roads
Escorts begin at 14'1" wide
Width
Permit required8'7" – 12'
Permit required above Oregon's 8'6" legal width. ODOT's pilot chart shows NONE for 8'7" to 12'0" on Interstate and multilane state highways (Route Map 2 Designations List and Legend, Form 735-8101 (5-26); identical chart in permit Attachment 82A, Form 734-1994 (1-23)). ROAD-CLASS MAPPING: 'interstate' here is ODOT's 'Interstate and Multilane Highways' column, so it also covers multilane non-Interstate state highways. Amber warning lights above the cab are required once width exceeds 12 feet on a multilane highway. Number and placement of pilot vehicles given in a single-trip permit's Special Conditions take precedence over the chart.
Permit required12'1" – 14'
The chart shows NONE for 12'1" to 14'0" on Interstate and multilane state highways. CONDITIONAL: for permitted loads over 12 feet wide, MUTCD-certified flaggers are required at 17 named structures (US26 Sunset Tunnel, the Astoria Columbia River, Wilson River, Yaquina Bay, Tenmile Creek, Big Creek, Umpqua River and Coquille River bridges, the Arch Cape, Cape Creek, Elk Creek, Salt Creek and Knowles Creek tunnels and others), or the Certified Rolling Stop method may be used, which requires three certified pilot cars. Amber warning lights required above 12 feet on multilane highways; a single-trip permit's Special Conditions take precedence.
Rear escort14'1" – 16'
ODOT chart: 14'1" to 16'0" = 'ONE in REAR' on Interstate and multilane highways. Placement rule: 'When one pilot vehicle is required, it shall travel in front of the oversize unit except when operating on multilane highways it shall be at the rear of the unit.' Over 12 feet wide also triggers certified flaggers at 17 named structures or the three-pilot-car Certified Rolling Stop. For mobile and modular units with a base width not more than 14 feet and an overall width not greater than 16 feet, the number on Interstate and multilane highways may differ - refer to the single-trip permit.
Front + Rear16'1"+
SUPERLOAD: 'Over 16 feet wide on the Interstate and multi-lane state highways' is a superload (ODOT Oregon Superloads). The Route Map 2 chart says 'Specified on Single-Trip Permit'; ODOT's Pilot Car Guide (May 2026) sets the floor at TWO in every district that publishes a number - '16 feet 1 inch to 18 feet - Two rear pilot vehicles, or one front and one rear pilot' (Districts 2B, 3, 4, 5, 7, 8, 10; the step is at 20 feet in Districts 2C and 9, while Districts 11 and Region 5 publish '16 feet 1 inch to 20 feet - Two rear pilot vehicles' with no front/rear alternative), and District 1 requires 'a minimum of one front and one rear pilot vehicle' over 16 feet. POSITIONS ARE THE FLOOR'S SHAPE, NOT A RULE: two REAR pilot vehicles is an equally published configuration in most districts and the only one published in District 11 and Region 5. Above 18 feet (20 feet in Districts 2C, 9, 11 and Region 5) every district that publishes a number requires 'a minimum of one front and two rear pilot vehicles' (District 2B publishes none), so treat 2 as a floor and expect 3. Diagrams are required when load width, trailer width or axle width exceeds 16 feet; a traffic control plan and route survey may be required.
Height
Permit required14'1" – 14'6"
Permit required above Oregon's 14'0" legal height; the pilot chart shows 'None' for 14'1" to 14'6" on all state highways, Interstate and two-lane alike. CONDITIONAL: Route Map 3 red routes are not authorized above 14'0", and named low structures impose traffic control at this height - at the US101 Umpqua River Bridge (mp 211.21) all loads over 14'0" high and over 10'0" wide, and all loads over 14'2" high regardless of width, 'must stop traffic, straddle the centerline, and proceed at 10 mph', with the same instruction at the Coquille River Bridge, the US26 Sunset Tunnel and the OR126 Knowles Creek Tunnel. Pilot cars may not stop traffic; stopping traffic requires ODOT-certified flaggers.
Front + High pole14'7" – 17'
Chart: 'More than 14'6" - One' on all state highways, and the pilot vehicle travels in front ('When a pilot vehicle is required for height, it shall travel in the front'). Legend note, verbatim: 'When height exceeds 14 feet 06 inches a front pilot vehicle with height pole is required, unless the permittee has filed a declaration with CCD assuming complete and total liability for any and all injury and damage that may result from the overheight movement.' The pole must be non-conductive, measure as high as the load, and be deployed when crossing under a structure. Route Map 3 publishes permittable heights only to 14'6"; every higher move is single-trip permitted and route-checked. ODOT states the same rule as a two-way choice: a single-trip permit for a load over 14 feet 6 inches high must either 'Use a pilot car escort with an overheight pole in front of the high load throughout the trip' or have Declaration Form 735-9930 (Attachment 82A - Non-Divisible Loads) on file with CCD.
Front + High pole17'1"+
SUPERLOAD: 'Over 17 feet high on any highway' is a superload (ODOT Oregon Superloads). The pilot chart still sets ONE front pilot vehicle with height pole as the published minimum, so 1 is a floor: superload permits add Attachment SL (Driver and Other Requirements for Superloads, form 2364), may require a route survey by ODOT regional electrical crews and a traffic control plan run with certified flaggers alongside the carrier's pilot cars, and can take up to 10 days to issue. ODOT may monitor the move and bill the carrier.
Length
Permit required65'1" – 120'
Permit required above the legal overall length (Group Map 1: 75'0" overall with a 53' trailer on Group 1 highways, 65'0" on Group 2, 60'0" on Group 3). The length pilot chart begins at 95'1" and shows NONE on Interstate and multilane highways for both 95'1" to 110'0" and 110'1" to 120'0". Front overhang exceeding 15 feet beyond the front bumper requires no pilot vehicle on Interstate and multilane highways. 'OVERSIZE LOAD' signs are required over 80 feet in overall length.
Rear escort120'1" – 150'
Chart: '120'01" to 150' - ONE in REAR' on Interstate and multilane highways. This extends the shipped 120'1"-140'0" tier: ODOT's rear-pilot requirement runs all the way to 150'0", so a 145-foot load on I-5 is not escort-free. A single-trip permit's Special Conditions take precedence over the chart.
Rear escort150'1"+
SUPERLOAD: 'Overall length greater than 150 feet' is a superload (ODOT Oregon Superloads) and the chart says 'Specified on Single-Trip Permit'. CONSERVATIVE CARRYOVER - the count shown is the published 120'1" to 150'0" minimum (one in rear) carried forward as a floor, because ODOT publishes no fixed number above 150 feet; expect more. Superload moves add Attachment SL driver requirements, a possible route survey by regional electrical crews, and a traffic control plan run with certified flaggers and additional pilot cars.
Weight
Permit required80,001 lbs+
Overweight permit required above the 80,000 lb legal gross (Weight Table 1); extended weight runs 'Up to 105,500 pounds gross weight' under Weight Table 2, and Weight Table 3 heavy-haul 'Annual Continuous Operation Permits allows up to 98,000 pounds for non-divisible loads'. Oregon keys pilot vehicles to dimensions, not weight: OAR 734-082-0035(1) names 'excessive width, height, length or projections' only, all four pilot charts in Attachment 82A / the Route Map 2 legend are width, length, height and front-overhang charts, and ODOT's superload definition sets no weight threshold. CONDITIONAL: overweight loads, even those qualifying for extended weight with legal axle weights, 'are prohibited from crossing certain weight restricted bridges in Oregon' (Route Map 8 list), and a permit's Special Conditions may require escorts, bridge-crossing restrictions, a traffic control plan or an ODOT-monitored move for a heavy load, and posted structure limits may not be exceeded.
When a permitted load can move
- Standard hours
Daylight hours means one-half hour before sunrise to one-half hour after sunset. Attachment H's time-of-travel tables are keyed to load width and cover overwidth movement; they state no hours for over-height, over-length or overweight-only loads, so check the permit.
- Night travel
Overwidth movement in darkness by width: 8'7" to 10'0" allowed on all Interstates and Route Map 2 green routes; 10'1" to 12'0" on Interstates only (manufactured and modular units capped at 10'0"); over 12'0" not allowed. Extremities must be lit per ORS 816.
- Weekend travel
Summertime weekends (last Monday in May to first Monday in September, holidays excluded), after noon Saturday and all Sunday: 8'7" to 14'0" allowed on Interstates and authorized routes east of the Cascades, not on non-Interstates west of the Cascades; over 14'0" not allowed.
- Holiday restrictions
Restricted: New Year's, Memorial, Independence, Labor Day, Thanksgiving, Christmas. Barred noon the day before through the holiday, but a weekend inside that window stays open on authorized routes. Over 14'0" barred throughout. MLK, Presidents, Juneteenth, Veterans Day are not.
- Urban restrictions
Portland, Salem, Eugene, Grants Pass, Medford, business days 7-9 a.m. and 4-6 p.m.: 12'1"-14'0" barred on I-5 (WA to OR217), I-5 exits 24-33 and all non-Interstates; over 14'0" barred everywhere, plus named Portland I-5/I-84/I-205/US26 corridors. Also barred 11 a.m.-1 p.m.
Signage Oregon expects
- Oversize load sign
Front and rear "OVERSIZE LOAD" signs required on over-width or over-length loads: 7 feet wide by 18 inches high, highway yellow, black FHWA series C letters 10 inches high. Background must be reflectorized for movement in darkness.
- Flags
Red flags at least 18 inches square on the outermost extremities of any overwidth load during daylight hours, clean and clearly visible front and rear; the attachment must not extend past the extremity by more than 3 inches. Rear overhang of 4 feet or more must also be marked.
- Beacons
Amber warning lights required above the cab roof when width exceeds 10'0" on a two-lane highway or 12'0" on a four-lane highway: two flashing, revolving, or 360-degree strobe, visible 500 feet, at least 30 flashes per minute. Exempt when running two or more pilot vehicles.
Oregon permit office
The permit office is the authority on every number on this page. Call it, or open the official site, before you rely on a threshold for a load that is close to a line.
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What are the legal limits in Oregon without an oversize or overweight permit?
In Oregon, the legal limits without an oversize or overweight permit are 8'6" wide, 14'0" high, 60'0" long (overall combination) and 80,000 lbs gross. Legal overhang is 4'0" front and 4'0" rear. Anything over those figures needs a permit from the Oregon permit office before it moves.
When does an oversize load need an escort or pilot car in Oregon?
On 2-lane roads in Oregon, escorts begin at 9'1" wide. On multi-lane roads, escorts begin at 14'1" wide. The first escort tier is "Front escort" at 9'1" – 12' wide. Every tier on this page quotes its rule and source.
Can oversize loads travel at night, on weekends or on holidays in Oregon?
Night travel: Overwidth movement in darkness by width: 8'7" to 10'0" allowed on all Interstates and Route Map 2 green routes; 10'1" to 12'0" on Interstates only (manufactured and modular units capped at 10'0"); over 12'0" not allowed. Extremities must be lit per ORS 816. Weekend travel: Summertime weekends (last Monday in May to first Monday in September, holidays excluded), after noon Saturday and all Sunday: 8'7" to 14'0" allowed on Interstates and authorized routes east of the Cascades, not on non-Interstates west of the Cascades; over 14'0" not allowed. Holidays: Restricted: New Year's, Memorial, Independence, Labor Day, Thanksgiving, Christmas. Barred noon the day before through the holiday, but a weekend inside that window stays open on authorized routes. Over 14'0" barred throughout. MLK, Presidents, Juneteenth, Veterans Day are not.