Three different things, often confused
“Escort” covers three requirements that differ in cost, lead time and who can provide them. Booking the wrong one is expensive.
- Civilian pilot car. A certified escort vehicle running front or rear. Bookable at short notice in most markets.
- Height pole car. A pilot car carrying a calibrated pole to prove overhead clearance. 37 states require one at some height threshold, and not every escort operator runs a pole.
- Police escort. State troopers or local police, scheduled through the agency. 23 states mandate one above certain thresholds. This is the one that sets your schedule, not the other way round — availability can be days out.
Road type changes the answer
Most states publish escort rules per road class, not as a single table. The same width can require a front escort on a two-lane road — where the risk is oncoming traffic — and a rear escort on a multilane, where the risk is traffic overtaking. 48 of the 48 states we track set genuinely different requirements by road class.
That is why a route matters as much as a load. Re-routing off a two-lane can remove an escort requirement entirely, and it is one of the things worth checking before you book.
Where escorts start
The width at which the first escort becomes mandatory anywhere in the state:
| First escort required over | States | Which |
|---|---|---|
| 8'6" | 2 | IL · UT |
| 9'0" | 1 | OR |
| 10'0" | 2 | MS · TN |
| 10'6" | 1 | WV |
| 11'0" | 3 | AZ · CA · WA |
| 12'0" | 23 | AL · AR · CO · CT · FL · GA · ID · IA · KY · LA · ME · MA · MI · NE · NV · NH · NY · NC · OK · RI · SC · VT · VA |
| 12'4" | 1 | IN |
| 12'6" | 2 | MO · MT |
| 13'0" | 4 | DE · MD · OH · PA |
| 14'0" | 5 | KS · NJ · NM · TX · WY |
| 14'6" | 1 | ND |
| 15'0" | 2 | MN · WI |
| 16'0" | 1 | SD |
12'0" is the common line — 23 states start there. But 2 states start as early as 8'6", so “under twelve foot is fine” is not a rule you can run on nationally.
Thresholds by state
Width thresholds and what each triggers. Open a state’s page for the full picture including height, length, overhang and the regulation citations.
| State | Road class | Width thresholds |
|---|---|---|
| Alabama | 2-lane | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| ↳ | multilane | Over 12'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| Arizona | 2-lane | Over 11'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| ↳ | 4-lane / interstate | Over 11'0" — 1 rear escort; Over 14'0" — 1 rear escort; Over 16'0" — superload permit |
| Arkansas | 2-lane / non-controlled-access | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'6" — superload permit; Over 18'0" — 2 front escorts + 2 rear escorts |
| ↳ | Controlled-access / divided 4-lane | Over 14'0" — 1 rear escort; Over 16'6" — superload permit; Over 18'0" — 2 front escorts + 2 rear escorts |
| California | Multilane (Yellow) | Over 10'0" — Travel window applies; Over 12'0" — 1 rear escort; Over 15'0" — 1 front escort + 1 rear escort; Over 16'0" — 1 police escort · superload |
| ↳ | 2-lane (Blue) | Over 10'0" — Travel window applies; Over 11'0" — 1 front escort; Over 13'0" — 1 front escort + 1 rear escort; Over 15'0" — 1 police escort · superload |
| Colorado | 4-lane (Green-map basis) | Over 10'0" — Not permitted; Over 12'0" — 1 rear escort (night only); Over 13'0" — 1 rear escort; Over 17'0" — Conditions apply |
| ↳ | 2-lane (Green-map basis) | Over 10'0" — Not permitted; Over 12'0" — 1 front escort (night only); Over 13'0" — 1 front escort; Over 15'0" — 1 front escort + 1 rear escort; Over 17'0" — Conditions apply |
| Connecticut | Divided (4+ lane) | Over 12'0" — 1 rear escort; 13'6" and over — 1 front escort + 1 rear escort; 15'0" and over — 1 front escort + 2 rear escorts; Over 16'0" — route survey · superload |
| ↳ | Undivided (2/3 lane) | Over 12'0" — 1 front escort; 13'6" and over — 1 front escort + 1 rear escort; 15'0" and over — 1 front escort + 2 rear escorts; Over 16'0" — route survey · superload |
| Delaware | 4+ lane (divided) | Over 13'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; 15'0" and over — 1 front escort + 1 rear escort · 1 police escort · superload |
| ↳ | 2/3 lane (undivided) | Over 13'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; 15'0" and over — 1 front escort + 1 rear escort · 1 police escort · superload |
| Florida | 4-lane divided | Over 10'0" — Not permitted; Over 12'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| ↳ | 2-lane | Over 10'0" — Not permitted; Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 2 police escorts · superload |
| Georgia | 4-lane / limited-access | Over 8'6" — Travel window applies; Over 12'0" — 1 rear escort, or amber light; Over 14'8" — 1 rear escort; Over 16'0" — superload permit |
| ↳ | 2-lane | Over 8'6" — Travel window applies; Over 12'0" — 1 front escort; Over 12'0" — 1 rear escort, or amber light; Over 14'8" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| Idaho | Interstate (White) | Over 13'0" — Not permitted; Over 15'0" — 1 rear escort; Over 18'0" — superload permit |
| ↳ | 2-lane (Black-map basis) | Over 12'0" — 1 front escort; Over 13'0" — Not permitted; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| Illinois | Multilane divided | Over 8'6" — 1 rear escort (night only); Over 12'0" — Not permitted; Over 14'6" — 1 rear escort · superload; Over 16'0" — 1 front escort + 2 rear escorts; Over 18'0" — 1 police escort |
| ↳ | 2-lane (undivided) | Over 8'6" — 1 front escort (night only); Over 12'0" — Not permitted; Over 14'6" — 1 front escort · superload; Over 16'0" — 2 front escorts + 1 rear escort; Over 18'0" — 1 police escort |
| Indiana | Dual-lane divided | Over 12'4" — 1 rear escort; Over 14'4" — 1 rear escort; Over 16'0" — superload permit; Over 17'0" — 2 police escorts; Over 18'0" — route survey |
| ↳ | Undivided / non-dual-lane | Over 12'4" — 1 front escort; Over 14'4" — 1 front escort + 1 rear escort; Over 16'0" — superload permit; Over 17'0" — 2 police escorts; Over 18'0" — route survey |
| Iowa | 4+ lane (divided) | Over 12'0" — 1 rear escort, or amber light; Over 14'6" — 1 rear escort, or amber light; Over 16'6" — 1 rear escort; Over 18'0" — Conditions apply |
| ↳ | 2/3 lane (undivided) | Over 12'0" — 1 front escort, or amber light; Over 14'6" — 1 front escort; Over 16'6" — 1 front escort; Over 18'0" — Conditions apply |
| Kansas | 4+ lanes | Over 14'0" — Marking required; Over 16'6" — 1 rear escort · superload |
| ↳ | Fewer than 4 lanes | Over 14'0" — 1 front escort; Over 14'0" — 1 rear escort, or amber light; Over 16'6" — 1 front escort + 1 rear escort · superload |
| Kentucky | Multi-lane (4+) | Over 12'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 2 front escorts + 2 rear escorts · superload |
| ↳ | 2-lane | Over 12'0" — 1 front escort + 1 rear escort; Over 16'0" — 2 front escorts + 2 rear escorts · superload |
| Louisiana | Multi-lane / Interstate | Over 12'0" — 1 rear escort; Over 14'0" — Not permitted; Over 16'0" — 1 police escort; Over 18'0" — 2 police escorts |
| ↳ | 2-lane / non-designated | Over 12'0" — 1 front escort; Over 16'0" — 1 police escort; Over 18'0" — 2 police escorts |
| Maine | Divided highway | Over 12'0" — 1 rear escort; 16'0" and over — 1 rear escort · 1 police escort · route survey · superload; 20'0" and over — 1 rear escort · 2 police escorts · route survey · superload |
| ↳ | Undivided | Over 12'0" — 1 front escort; 16'0" and over — 1 front escort · 1 police escort · route survey · superload; 20'0" and over — 1 front escort · 2 police escorts · route survey · superload |
| Maryland | Multilane | Over 12'0" — Travel window applies; Over 13'0" — 1 rear escort; 14'0" and over — 1 front escort + 1 rear escort; 16'0" and over — 1 police escort · superload |
| ↳ | 2-lane | Over 12'0" — Travel window applies; Over 13'0" — 1 front escort; 14'0" and over — 1 front escort + 1 rear escort; 16'0" and over — 1 police escort · superload |
| Massachusetts | Turnpike (I-90) / MHS Boston | Over 12'0" — 1 rear escort; Over 13'6" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · 2 police escorts |
| ↳ | State highways | Over 12'0" — 1 rear escort; Over 13'6" — 1 front escort + 1 rear escort; Over 14'11" — 1 front escort + 1 rear escort · 1 police escort |
| Michigan | 4+ lane (divided) | Over 12'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — route survey · superload |
| ↳ | 2/3 lane (undivided) | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — route survey · superload |
| Minnesota | 4+ lane (divided) | Over 12'6" — Travel window applies; Over 14'6" — Travel window applies; Over 15'0" — 1 rear escort; Over 16'0" — superload permit; Over 20'0" — route survey |
| ↳ | 2/3 lane (undivided) | Over 12'6" — Travel window applies; Over 14'6" — Travel window applies; Over 15'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit; Over 20'0" — route survey |
| Mississippi | Interstate / divided multilane | 10'0" and over — 1 rear escort (night only); 13'0" and over — 1 rear escort; Over 17'0" — route survey · superload; Over 18'0" — Marking required |
| ↳ | Two- or three-lane undivided | 10'0" and over — 1 front escort (night only); 13'0" and over — 1 front escort; Over 17'0" — route survey · superload; Over 18'0" — Marking required |
| Missouri | Interstate / divided (4+ lane) | Over 12'6" — 1 rear escort; Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · route survey · superload; Over 18'0" — 1 front escort + 1 rear escort · 1 police escort |
| ↳ | 2-lane / undivided | Over 12'6" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 2 front escorts + 1 rear escort · route survey · superload; Over 18'0" — 2 front escorts + 1 rear escort · 1 police escort |
| Montana | Interstate | Over 16'6" — 1 rear escort; Over 18'0" — 2 rear escorts · superload; Over 20'0" — route survey · superload; Over 34'0" — route survey · superload |
| ↳ | Non-interstate | Over 10'0" — Marking required; Over 12'6" — 1 front escort; Over 16'6" — 1 front escort + 1 rear escort; Over 18'0" — 2 front escorts + 1 rear escort · superload; Over 20'0" — route survey · superload; Over 24'0" — 2 front escorts + 2 rear escorts; Over 34'0" — route survey · superload |
| Nebraska | Divided highway | 12'0" and over — 1 rear escort, or amber light; Over 16'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| ↳ | Undivided | 12'0" and over — 1 front escort; Over 16'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| Nevada | 4+ lanes | Over 12'0" — Travel window applies; Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort; Over 19'0" — 1 police escort · superload; 20'0" and over — Conditions apply |
| ↳ | 2–3 lanes | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 17'0" — 1 police escort · superload; 20'0" and over — Conditions apply |
| New Hampshire | Divided highway | 12'0" and over — 1 rear escort; Over 14'0" — 2 police escorts; Over 15'0" — superload permit |
| ↳ | Undivided | 12'0" and over — 1 front escort; Over 14'0" — 2 police escorts; Over 15'0" — superload permit |
| New Jersey | 4+ traffic lanes | Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · route survey |
| ↳ | <4 traffic lanes | Over 14'0" — 1 front escort; Over 16'0" — 1 front escort + 1 rear escort · route survey |
| New Mexico | Multi-lane | 12'0" and over — Travel window applies; 14'0" and over — 1 rear escort; 20'0" and over — 1 front escort + 1 rear escort |
| ↳ | Two-lane | 12'0" and over — Travel window applies; 14'0" and over — 1 front escort; 20'0" and over — 1 front escort + 1 rear escort |
| New York | 4+ lane (divided) | Over 12'0" — 1 rear escort; Over 16'0" — 1 police escort · route survey · superload; 18'0" and over — 2 front escorts + 1 rear escort |
| ↳ | 2/3 lane (undivided) | Over 12'0" — 1 front escort; Over 16'0" — 2 front escorts + 1 rear escort · 1 police escort · route survey · superload |
| North Carolina | 4+ lane (divided) | Over 12'0" — 1 rear escort; Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · 1 police escort; 17'0" and over — route survey · superload |
| ↳ | 2/3 lane (undivided) | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · 1 police escort; 17'0" and over — route survey · superload |
| North Dakota | 4-lane divided | Over 16'0" — 1 rear escort; Over 18'0" — 1 rear escort |
| ↳ | 2-lane (undivided) | Over 14'6" — 1 front escort, or amber light; Over 16'0" — 1 front escort + 1 rear escort; Over 18'0" — 1 front escort + 1 rear escort |
| Ohio | Multilane | Over 12'0" — Travel window applies; Over 13'0" — 1 rear escort; Over 14'0" — superload permit; Over 14'6" — 1 front escort + 1 rear escort; Over 16'0" — 1 police escort |
| ↳ | 2-lane | Over 12'0" — Travel window applies; Over 13'0" — 1 front escort; Over 14'0" — superload permit; Over 14'6" — 1 front escort + 1 rear escort; Over 16'0" — 1 police escort |
| Oklahoma | Multilane (divided) | Over 12'0" — 1 rear escort; Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort; Over 20'0" — 1 front escort + 1 rear escort |
| ↳ | 2-lane | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort; Over 20'0" — 1 front escort + 1 rear escort |
| Oregon | Interstate & multilane | Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · superload |
| ↳ | Route Map 2 Green (major 2-lane) | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort · superload; Over 16'0" — 1 front escort + 1 rear escort · superload |
| ↳ | Purple / other 2-lane | Over 9'0" — 1 front escort; Over 12'0" — 1 front escort + 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort · superload; Over 16'0" — 1 front escort + 1 rear escort · superload |
| Pennsylvania | 4+ lane (divided) | Over 13'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · route survey · superload; Over 18'0" — 1 police escort |
| ↳ | 2/3 lane (undivided) | Over 13'0" — 1 front escort; Over 16'0" — 1 police escort · route survey · superload |
| Rhode Island | Divided highways | 12'0" and over — 1 rear escort; Over 14'6" — 1 front escort + 1 rear escort |
| ↳ | Undivided (2-lane) | 12'0" and over — 1 front escort; Over 14'6" — 1 front escort + 1 rear escort |
| South Carolina | Multi-lane | Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · 2 police escorts |
| ↳ | Two-lane | Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · 2 police escorts |
| South Dakota | Interstate / divided | Over 10'0" — Marking required; Over 16'0" — 1 rear escort |
| ↳ | State & local highways | Over 10'0" — Marking required; Over 16'0" — Marking required; Over 20'0" — 1 front escort |
| Tennessee | 4+ lane / divided (interstate, toll) | Over 12'6" — 1 rear escort; Over 13'6" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · route survey · superload |
| ↳ | 2/3 lane / undivided (US, state, local) | Over 10'0" — 1 front escort; Over 12'6" — 1 front escort; Over 13'6" — 1 front escort + 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort · route survey · superload |
| Texas | Divided / 4+ lanes | Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort; Over 20'0" — 1 front escort + 1 rear escort · route survey |
| ↳ | Two-lane | Over 14'0" — 1 front escort; Over 16'0" — 1 front escort + 1 rear escort; Over 20'0" — 1 front escort + 1 rear escort · route survey |
| Utah | Freeway (incl. SR-201 I-80→7200 W) | Over 8'6" — 1 rear escort (night only); Over 10'0" — Marking required; Over 14'0" — 1 rear escort; Over 16'0" — 1 front escort + 1 rear escort; Over 17'0" — superload permit; Over 20'0" — 2 police escorts |
| ↳ | Secondary (non-freeway) | Over 8'6" — 1 front escort (night only); Over 10'0" — Not permitted; Over 12'0" — 1 front escort; Over 14'0" — 1 front escort + 1 rear escort; Over 17'0" — 2 police escorts · superload |
| Vermont | Interstate & divided highways | 12'0" and over — 1 rear escort; Over 12'0" — Conditions apply; 15'0" and over — route survey · superload |
| ↳ | Undivided highways | 12'0" and over — 1 front escort; Over 12'0" — Conditions apply; 15'0" and over — route survey · superload |
| Virginia | Interstate routes | Over 12'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 15'0" — route survey · superload; Over 16'0" — 1 front escort + 2 rear escorts; Over 18'0" — route survey |
| ↳ | Non-interstate routes | Over 12'0" — 1 front escort + 1 rear escort; Over 14'0" — 2 front escorts + 1 rear escort; Over 15'0" — route survey · superload; Over 16'0" — 2 front escorts + 2 rear escorts; Over 18'0" — route survey |
| Washington | Multilane (divided) | Over 14'0" — 1 rear escort; Over 16'0" — superload permit; Over 20'0" — 1 front escort + 1 rear escort |
| ↳ | Two-lane | Over 11'0" — 1 front escort + 1 rear escort; Over 16'0" — superload permit |
| West Virginia | 4-lane (divided) | Over 12'0" — 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 15'0" — 2 rear escorts; Over 16'0" — superload permit |
| ↳ | 2-lane (undivided) | 10'6" and over — 1 front escort; Over 12'0" — 1 front escort + 1 rear escort; Over 14'0" — 1 front escort + 1 rear escort; Over 15'0" — 2 front escorts + 1 rear escort; Over 16'0" — superload permit |
| Wisconsin | Divided / one-way highways | Over 15'0" — 1 rear escort; Over 16'0" — route survey · superload; Over 18'0" — 1 rear escort · 1 police escort; Over 20'0" — 1 front escort + 1 rear escort · 2 police escorts |
| ↳ | 2-way undivided highways | Over 15'0" — 1 front escort; Over 16'0" — route survey · superload; Over 18'0" — 1 front escort · 1 police escort; Over 20'0" — 1 front escort + 1 rear escort · 2 police escorts |
| Wyoming | Interstate / 4-lane divided | 15'0" and over — 1 rear escort; Over 18'0" — superload permit |
| ↳ | 2-lane primary / secondary | 14'0" and over — 1 front escort + 1 rear escort; Over 18'0" — superload permit |
Curfews and blackouts wreck more schedules than escorts
The escort itself is rarely what delays a load. Movement windows are.
- 38 states restrict permitted loads to daylight hours. In winter that can halve a driving day.
- 12 states have weekend restrictions on permitted movement, so a Friday afternoon delay becomes a Monday departure.
- 42 states black out holidays, and several run the ban from the evening before to the morning after.
- Metro curfews are separate again — several states bar wide loads from urban corridors during morning and evening peaks regardless of escorts.
Where night travel is allowed
10 states permit night movement for at least some loads: AZ · CA · CO · ID · KY · MN · TN · UT · WA · WI. Conditions still apply — usually lighting, marking and a width ceiling.
Questions
Can I use my own vehicle as the escort?
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In most states no. Escort vehicles have to meet equipment standards — signage, lighting, radios — and in many states the operator needs a certification that is state-specific. A few states accept an out-of-state certification; several do not.
Does one escort certification work in every state?
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No. Certification is per state, with some reciprocity. This is a common reason an escort booked in one state cannot legally run the next leg, and it is worth confirming before the load moves.
Who arranges a police escort?
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The agency does, on their schedule. It is booked through the state police or the relevant local force, usually with several days' notice, and it is the single most common reason a heavy-haul date slips.
Do escorts cost extra through Permigo?
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No markup. We book certified pilot cars and coordinate police escorts, and you pay the provider's own rate at cost. Our $20 per state permit fee is unchanged whether or not escorts are involved.