NC oversize and overweight permits: how to apply and what they cost

The short version

In North Carolina you generally need a permit if your load is wider than 8 ft 6 in, taller than 14 ft, longer than 40 ft on a single vehicle or 60 ft on a combination, or heavier than NC's legal weights. A tractor pulling a 53 ft trailer has no overall length limit. [6][1]

As of September 2026, a single trip permit costs $12 for each dimension over the legal limit. An annual permit costs $185 per vehicle, or $200 for house trailers. Loads that need an engineering study add a $100 nonrefundable fee. [4]

You order permits online through NCDOT's Permit Information Management System, called PIMS. You need a PIMS account first, and NCDOT stopped taking faxed applications on August 1, 2025. [6][7]

Most permitted moves run sunrise to sunset. Wide loads have rush-hour limits around Charlotte, Raleigh, Durham and Chapel Hill, and there are holiday blackouts around July 4, Thanksgiving and Christmas. [5][10][14]

The fines are steep. Running without a permit or off route is a $500 civil penalty, and the owner can also face up to $10,000 more based on the overweight formula. [4]

NC legal limits without a permit

Width is 102 inches for the vehicle and load. Height is 14 feet, loaded or empty. NC law also says the owner of a vehicle over 12 ft 6 in is liable for damage it does to an underpass, wire or other structure. [1]

A single vehicle can be 40 feet long, bumpers included. A combination can be 60 feet with no more than two units, but a truck-tractor with one semitrailer up to 53 feet may go past 60 feet overall. [1][9]

A load can stick out no more than 3 feet past the front. If it hangs more than 4 feet past the rear, you need a red or orange flag at least 18 inches square, and a red or amber light from sunset to sunrise. Rear overhang tops out at 14 feet, except for forestry products and utility poles. [1][2]

Legal weight is 20,000 lb on a single axle and 38,000 lb on a tandem. Axle groups follow a table based on the distance between the first and last axle, and that table tops out at 80,000 lb. [3]

Overweight axles cost money even with no permit issue. The single or tandem axle penalty is 4 cents a pound for the first 1,000 lb over, 6 cents for the next 1,000, then 10 cents a pound. [3]

Which loads can get a permit

Permits are for loads that can't be divided. NCDOT expects you to break down and load the item to its smallest size and weight before you apply. [5][10]

Only one item qualifies for an overweight permit. Several items can qualify for overwidth if they're loaded in line, but items side by side can't be wider than 8 ft 6 in. One item of continuous length qualifies for overlength. [5][9]

NCDOT lists boats, construction equipment, farm or business machinery, trusses, beams, girders, tanks, transformers, self-propelled equipment and sealed ship containers as examples. By law, one to three steel coils on the same truck also count as one load that can't be divided. [10][4]

Boats have their own rules. From 8 ft 7 in to 9 ft 6 in wide, no permit is needed. From 9 ft 7 in to 9 ft 11 in, no permit, but daylight only. Both need two amber lights at the widest point, and 10 feet or wider needs a permit. [10][12]

The permit goes to the registered owner of the power unit, tied to its plate and the last five digits of its VIN. Permits can't be transferred. If the truck is sold or wrecked, you buy a new one. [10][9]

An NCDOT permit is not good on city streets the state doesn't maintain. Towns can issue their own permits for their streets. NCDOT also never has to issue a permit for any load. [5][4]

Single trip, annual and superload permits

A single trip permit is good for 10 calendar days and one one-way trip. You must give the exact origin, route and destination, with county and state road numbers. A return trip is only allowed if you ask for it on the first application. [5][9]

As of September 2026, the single trip fee is $12 per over-legal dimension of height, length, width and weight, up to 132,000 lb. [4][9]

Permit axle limits are 20,000 lb steer, 25,000 single, 50,000 tandem, 60,000 tridem and 68,000 for four or more. NCDOT's gross limits for combinations are 112,000 lb on five axles, 120,000 on six and 132,000 on seven. [5][10]

An annual permit costs $185 per vehicle as of September 2026 and lasts 12 months. It allows up to 12 feet wide, or 14 feet for farm equipment, and up to 105 feet long. [4][5][12]

With an annual permit, loads up to 90,000 lb on at least a 51-foot wheelbase can run any NC highway within posted road and bridge limits. Heavier loads need specific routes, up to 10 per permit, and the power unit must be registered at 80,000 lb. [12]

A superload is for loads over 132,000 lb or over the permit axle limits, and for the widest loads. Apply in writing at least 10 business days ahead so NCDOT can run bridge reviews. The width cutoff differs between the state rules and older NCDOT handouts, so confirm it with the permit unit. [5][11]

Superload fees as of September 2026 are the $100 nonrefundable application fee, the $12 per-dimension fee and $3 for every 1,000 lb over 132,000. NCDOT's superload handout says bridge studies expire after 90 days. [4][11]

How to apply through PIMS

PIMS handles annual, single trip and superload permits for state-maintained highways. To use it, download the PIMS account form, fill it out and email it to PIMSaccounting@ncdot.gov. Accounts are set up first come, first served. [7][8]

The form asks for the company name, address, company email, phone and any PIMS customer number you already have. Each login is tied to one company, and every user needs their own email address. You can't apply in person or by phone. [8]

If you use a permit agency, it applies for its own account and must send its articles of incorporation. NCDOT keeps a list of permit service agencies it works with. [8][9]

PIMS switched credit card processors on June 1, 2026. Cards saved under the old processor did not carry over, so re-register your card before you need a permit. [6]

State rules accept certified checks, money orders, company checks and credit cards, but not personal checks. NCDOT also offers escrow accounts for regular users. [5][9]

For phone help as of September 2026, call 1-888-574-6683. Choose option 1 for single trip, 2 for superload or 3 for annual permits. Call-in hours are 7 am to 4 pm, Monday through Friday. [7]

Before you roll, check the permit for errors and call the office if anything is wrong. The permit doesn't guarantee clearance, so you must check bridges and wires yourself. Carry the permit in the truck, though a citation can be cleared if you show NCDOT a valid permit within 30 days. [9][5][4]

When wide loads can travel

Unless the permit says otherwise, permitted moves run sunrise to sunset, seven days a week. Superloads can't run around the clock. [5][10][11]

As of September 2026, NCDOT allows 24/7 travel up to 112,000 lb gross and up to 10 feet wide, if there's no other over-legal height or length. At night, loads wider than 102 inches and up to 120 inches need at least two amber lamps at the widest points. [6][7]

Loads wider than 12 feet can't travel within 10 miles of the city limits of Charlotte, Raleigh, Durham or Chapel Hill from 7 to 9 am and 4 to 6 pm. [10][12]

For 2026, NCDOT bars overwidth, overheight, overlength and over-112,000 lb permit loads from noon Friday, July 3 to noon Monday, July 6. The next blackout is noon Wednesday, November 25 to noon Friday, November 27. [14]

The Christmas blackout runs from noon Thursday, December 24 to noon Monday, December 28, 2026. On other holidays the office is closed, but travel on an existing permit is allowed. [14]

Don't move when visibility is under 500 feet or when the Highway Patrol or NCDOT says conditions are unsafe. The handbook also bars moves on roads covered with snow or ice. [5][9]

Convoys are not allowed. Permitted trucks from the same company or the same origin must stay at least 2 miles apart. Don't top the posted speed limit, and pull over to let traffic pass when it backs up. [5][9]

If an officer, a sign directing you to a scale, or an official detour sends you off your route, follow it. For a detour, call the permit office to clear or revise the route. [5]

Banners, flags and escorts

Any load over 10 feet wide needs a yellow 7-foot by 18-inch banner on the front and rear bumpers. It must say OVERSIZE LOAD in 10-inch black letters, and it can be split into two pieces to show your plates. [5][10]

Loads over 8 ft 6 in wide need red or orange flags, 18 inches square, at the widest points. Mount them so they don't add width. Headlights stay on for the truck and escorts during the move. [5][9]

Loads wider than 12 feet need a front escort on two-lane roads and a rear escort on multi-lane highways. Loads over 14 ft 5 in tall need a front pole car with a height pole. [13]

Loads over 110 feet long need a rear escort, and over 150 feet need front and rear escorts. A rear overhang of 15 feet or more needs a rear escort. Weights over 149,999 lb need a front escort. [13]

Loads over 16 feet wide need three escorts, one from the NC State Highway Patrol. The permit office can add escorts based on the load, weather or route. [13][11]

An escort vehicle must be a single vehicle with a GVWR between 2,000 and 26,000 lb. It can't pull a trailer or carry hazmat, and its lights must be visible from all directions. [4][13]

NCDOT's escort handout also calls for a full-width banner, a roof-top amber light seen from 500 feet, and a two-way radio. Add a STOP/SLOW paddle, a safety vest, three reflective triangles, name and phone signs on both sides, and a fire extinguisher. [13]

Every escort driver in NC must be certified and carry the credential. Under state rules, the course is eight classroom hours through the NC Community College System, with a passing score of 75%. Applicants also need a defensive driving course, and the certificate lasts four years. [5][13]

NC law lets a Class A CDL holder take the escort exam without extra training. It also allows reciprocity with other states and lets employers train and certify their own escorts under NCDOT rules. [4]

Penalties and tips for owner-operators

The Highway Patrol assesses permit penalties against the vehicle's registered owner. Running without enough certified escorts is $1,500. No permit, going off route, lying on the application or breaking the permit's size limits is $500. [4]

Breaking time-of-travel rules is $250, and any other permit violation is $100. Running without a permit, off route, outside travel limits or without proper registration can add up to $10,000 more. [4]

Repeat violations can cost you the right to get permits. State rules allow denial for up to six months, permanent denial for repeated violations, and revoked permits come with no refund. [5][4]

Set up your PIMS account and card before you book your first oversize load. Account requests are handled in order, and NCDOT no longer takes faxed applications. [7][6]

Check the calendar before you quote a delivery date. A load over 12 feet wide that has to cross Raleigh at 8 am, or deliver the day after Thanksgiving, may not be legal to move then. [10][14]

Make sure the truck is registered for the weight and has IRP apportioned plates for NC. For an overweight permit, the power unit has to be licensed for the maximum weight its axle spacing allows. [9][12]

Stay on the route printed on the permit. On interstate segments, NCDOT allows up to one mile off an exit onto a state highway, but only if you cross no bridges and stay within posted limits. [9]