Oversize load escort and pilot car rules by state

When an oversize load needs escort vehicles or pilot cars, state by state. Each state's own words, with where they came from.

Your permit comes first. Its own conditions can be stricter than these, and rules change. Last checked October 2026.

Alaska

From DOT&PF's published rules. How to read an Alaska permit

Pilot cars

By width: one pilot car over 10'6" up to 12', two over 12' up to 14', three over 14' up to 18', four over 18'. By length: one over 85' up to 100', two over 100' up to 150', three over 150'. Over 17' high on any route, you need one pilot car with a height pole (over 16'6" on the Glenn Highway, MP 0 to 27). The permit sets the final number. Source

Arizona

From ADOT's published rules. How to read an Arizona permit

Escorts

ADOT decides on each permit how many escorts you need, based on the road, the load's size, frequent stops, public safety and time of travel. Escort cars carry an 'OVERSIZE LOAD' sign with a flag on each side, and stay in two-way radio contact with the truck. Source

California

From a real California permit we read. How to read a California permit

Pilot car

No pilot car is required on this permit: the No box is ticked.

Colorado

From CDOT's published rules. How to read a Colorado permit

Pilot cars by map color

In daylight, the pilot cars you need depend on the color of the highway on CDOT's Pilot Escort and Oversize Restriction Map. For example, on a blue highway: over 8'6" up to 11' wide needs one front pilot car; over 11' up to 13' needs front and rear; over 13' needs a Chapter 6 Special permit. Over 16 feet high needs a front pilot car with a height pole. Source

Connecticut

From CTDOT's published rules. How to read a Connecticut permit

Escorts

Escort needs depend on width, height and length, and on whether the highway is divided. CTDOT's table lists civilian and State Police escorts. A front pole car is required for loads 14'6" high or more, and CTDOT can add escorts for construction, tight spots or time of day. Source

Escort car signs and lights

Escort cars need a top-mounted flashing or rotating amber light that runs at all times and two-way radio with the load. They also need an 'OVERSIZE LOAD' sign at least 5 feet long and 12 inches high, black on yellow, with the bottom 48 inches above the road. Source

Delaware

From DelDOT's published rules. How to read a Delaware permit

Escorts

Over 13 up to 14 feet wide: one escort, behind on a multilane highway or in front on a 2-lane road. Over 14 feet wide: front and rear, plus State Police over 15 feet. Length: rear escort over 90 feet, front and rear at 100 feet, plus State Police at 120 feet. Height: front and rear at 15 feet, plus State Police at 17'6". Over 120,000 pounds: front and rear. Source

Georgia

From a real Georgia permit we read. How to read a Georgia permit

Escorts

The permit does not spell out escorts. It points to GDOT Rule 672-2-.06 for escorts and Rule 672-2-.03(i) for reporting accidents.

Hawaii

From HDOT's published rules. How to read a Hawaii permit

Escorts

Loads over 12 feet wide need an escort vehicle, and an escort may be required over 10 feet wide on two-lane mountain or winding coastal roads. Loads 14 feet or wider need an escort, flagman or police, at 25 mph top speed. Projections over 4 feet also need an escort. Source

Idaho

From ITD's published rules. How to read an Idaho permit

Pilot cars

On a single-trip permit, you need a pilot car whenever the permit's escort or restriction section says so; ITRPS lists these by route segment. Loads over 16 feet high need a front pilot car with a non-metallic height pole. Source

Illinois

From a real Illinois permit we read. How to read an Illinois permit

Night moves: escort

Night moves need at least one civilian escort vehicle, more if the permit has provision 4, up to three.

Indiana

From a real Indiana permit we read. How to read an Indiana permit

Escorts

Escorts are needed only over 12 ft 4 in wide, 110 ft long or 14 ft 6 in high. This load is under all three.

Iowa

From Iowa DOT's published rules. How to read an Iowa permit

Escorts

Width over 12' up to 18': rear escort on 4-lane roads and front escort on 2-lane roads. Up to 14'6" wide, amber lights on the truck and the rear of the load can replace either escort; over 14'6" up to 16'6", only the 4-lane rear escort. Length over 120 feet: a rear escort. Height over 14'6" up to 20 feet: a front escort with a height pole that measures every clearance. Source

Kansas

From KDOT's published rules. How to read a Kansas permit

Escorts

Superloads, large structures, and loads over 14 feet wide need escort vehicles, and escort drivers must be registered with KDOT. Source

Kentucky

From KYTC's published rules. How to read a Kentucky permit

Escorts

On a two-lane road you need a front escort over 75 feet long, and front and rear escorts over 85 feet long or over 12 feet wide. On a four-lane road you need a rear escort over 12 feet wide or over 110 feet long, front and rear over 14 feet wide, and two front and two rear over 16 feet wide. Over 14 feet 11 inches high needs a height pole. Source

Louisiana

From DOTD's published rules. How to read a Louisiana permit

Escorts

Private escorts are needed over 12 feet up to 16 feet wide, or over 90 feet up to 125 feet long. State Police escorts are needed over 16 feet wide or over 125 feet long. Loads over 15 feet 10 inches high need a pole truck in front, except on interstate-only moves. Source

Maine

From BMV's published rules. How to read a Maine permit

Pilot cars

On a Maine-only permit, one pilot car is needed over 12 feet wide (under 16 feet) or over 80 feet long (under 125 feet). The pilot leads on regular roads and follows on divided highways. Source

Police escorts

A police escort is needed at 125 feet or more long, 16 feet or more wide, or over 15 feet of rear overhang. Book it yourself and give the State Police at least three working days' notice. Only the State Police escort on the interstate. Source

Maryland

From MDOT SHA's published rules. How to read a Maryland permit

Escorts

One escort over 13 feet wide, over 85 feet long, over 60 tons, or 14 feet 6 inches high (pole car). Two escorts at 14 feet wide or 140 feet long. Police escort at 16 feet wide or 75 tons. Source

Minnesota

From MnDOT's published rules. How to read a Minnesota permit

Escorts

On divided multi-lane roads, one certified rear escort over 15 feet wide at the bottom, 16 feet at the top, or 110 feet long; front and rear over 150 feet long. On undivided roads, front and rear escorts at those same width and length marks. Escort drivers must be certified. Source

Montana

From MDT's published rules. How to read a Montana permit

Pilot cars

Off the Interstate you need one front pilot over 12 feet 6 inches wide, and front and rear pilots over 16 feet 6 inches. On the Interstate you need one rear pilot over 16 feet 6 inches wide. Over 17 feet high, you need a front pilot with a height pole. Source

Nevada

From NDOT's published rules. How to read a Nevada permit

Pilot cars

You need a front pilot car over 16 feet wide, over 15 feet 6 inches high (with a clearance pole), or over 12 feet wide on a two- or three-lane highway or at night or during holiday hours. You need a rear pilot car over 14 feet wide or over 110 feet long (120 feet with mechanically steered rear axles). Source

New Hampshire

From NHDOT's published rules. How to read a New Hampshire permit

Escorts

No escort is needed under 12 feet wide, under 90 feet long, with under 15 feet of rear overhang, as long as flags are shown. You need one escort from 12 to under 14 feet wide, at 90 feet long or more, over 14 feet high, or with 15 feet or more of overhang. State Police escorts: one at 100 feet long (unless they waive it), two over 14 feet wide. Source

New Jersey

From NJDOT's published rules. How to read a New Jersey permit

Escorts

One escort over 14 feet wide or 100 feet long; two escorts over 16 feet wide or 120 feet long. A single escort leads on roads with fewer than four lanes and follows on roads with four or more. Source

New Mexico

From a real New Mexico permit we read. How to read a New Mexico permit

City escorts

This route lists a front escort in Tucumcari, Santa Rosa, Alamogordo, Las Cruces and Deming when your width is over the limit on NMDOT's Escort Vehicle Map.

New York

From NYSDOT's published rules. How to read a New York permit

Certified escorts

NYSDOT generally puts a certified escort on permits for loads over 12 feet wide, 80 feet or longer, 14 feet or higher, or with 10 feet or more of overhang. Source

North Carolina

From NCDOT's published rules. How to read a North Carolina permit

Escorts

Over 12 feet wide, you need a front escort on two-lane roads and a rear escort on multi-lane roads. Over 14 feet wide on two-lane roads, you need front and rear escorts. Rear escort over 110 feet long, front and rear at 150 feet or longer. Front escort with a height pole over 14 feet 5 inches high, and a front escort over 149,999 pounds. Source

Oregon

From ODOT's published rules. How to read an Oregon permit

Pilot vehicles

How many pilot vehicles you need depends on width and route. It's set by Attachment 82A and by the route colors (green, purple, red) on Route Map 2. Pilots normally run 300 to 500 feet from the load. Source

Pennsylvania

From PennDOT's published rules. How to read a Pennsylvania permit

Pilot cars

Over 90 feet long, or with more than 15 feet of load past the rear, one pilot car follows. Over 13 feet wide, a pilot follows on roads with two or more lanes your way and leads on roads with one lane your way. Over 14 feet 6 inches high, a pilot with a height pole leads 1,000 to 3,000 feet ahead. Source

Rhode Island

From RIDOT's published rules. How to read a Rhode Island permit

Escorts

Escorts are required when the load is 12 ft wide or more, 85 ft long or more, over 13 ft 6 in high, or has an overhang of 15 ft or more. A permit reviewer can also require them. Source

South Carolina

From SCDOT's published rules. How to read a South Carolina permit

Escorts

Over 12 to 14 ft wide: one front escort on two-lane roads. Over 14 to 16 ft: front and rear on all roads. Over 16 ft: front and rear civilian escorts plus front and rear police. 16 ft high or more: front escort with a height measuring device. 125 to 150 ft long: one rear escort; over 150 ft: front and rear. Source

South Dakota

From SDHP's published rules. How to read a South Dakota permit

Escorts

Escorts are required over 16 ft wide on interstates and over 20 ft wide on other state highways, and when the route or traffic calls for it. The escort runs in front on undivided highways and behind on divided highways. Source

Utah

From UDOT's published rules. How to read a Utah permit

Extra escorts on some highways

Some secondary highways have their own rules. On State Route 12 between State Routes 89 and 24, for example, over 10 ft wide needs one certified pilot/escort, over 12 ft needs two, and over 14 ft adds two police escorts. Source

Vermont

From Vermont DMV's published rules. How to read a Vermont permit

Escorts

Escorts are required at 12 ft wide or more, 80 ft long or more, or 15 ft of overhang or more, or when DMV says so. One escort goes ahead on undivided highways and behind on divided highways. Source

Virginia

From Virginia DMV's published rules. How to read a Virginia permit

Escorts

Over 12 ft wide: front and rear escort on non-interstates, one rear escort on interstates. Over 14 ft 5 in high: front escort with a height pole. Over 90 ft long: rear escort on non-interstates; over 150 ft: front and rear on all routes. Over 18 ft wide or 200 ft long: case by case. Escorts must be certified. Source

West Virginia

From WVDOH's published rules. How to read a West Virginia permit

Escorts for width

10 ft 6 in to 12 ft: front escort on two-lane roads. 12 ft 1 in to 14 ft: front and rear on two-lane, rear on four-lane. 14 ft 1 in to 15 ft: front and rear, Monday to Friday. 15 ft 1 in to 16 ft: three escorts, or two rear on interstates. Over 16 ft: as the permit says, Sunday morning only. Source

Escorts for length, overhang and height

75 to 95 ft long: rear escort on two-lane roads. 95 to 100 ft: front and rear on two-lane, rear on four-lane. Over 100 ft: front and rear escorts. Front or rear overhang over 10 ft: an escort on that end. Over 15 ft high: a front pole car on top of any other escorts. Source

Wisconsin

From WisDOT's published rules. How to read a Wisconsin permit

Escorts

Permit conditions say which escorts you need, from WisDOT's escort chart by width and length. Loads over 16 ft high need a pole vehicle, and loads over 350,000 lbs need one law enforcement escort. Source

Wyoming

From WHP's published rules. How to read a Wyoming permit

Escorts on two-lane roads

On two-lane primary and secondary highways, escorts are required at 110 ft long or more, 14 ft wide or more, or when the load will cross the center line. Source

Escorts on Interstates and overhang

On Interstates and four-lane divided highways, escorts are required at 15 ft wide or more. A rear overhang of 25 ft or more needs an escort on any highway. Height escorts, and length escorts on Interstates, are up to the approving authority. Source