Do you need a pilot car in Alaska?

In Alaska, a chase (rear) pilot car is required over 18'0" width; a height-pole escort is required over 14'6" height; a lead (front) pilot car is required over 14'0" width; a chase (rear) pilot car is required over 12'0" width; a lead (front) pilot car is required over 10'6" width. Always confirm with the Alaska permit office, as thresholds change and permits can impose case-by-case conditions.

Alaska Pilot Car Requirements

When does an oversize or overweight load need a pilot car or escort in Alaska? Here are the width, height, length and weight thresholds that trigger an escort, a height pole, or a police escort.

Unverified — confirm with the stateAlaska permit source →

Escort & pilot car requirements

Chase (rear) pilot carover 18'0" width
Over 18' wide: AT LEAST FOUR pilot/escort vehicles on all routes — 40 MPH max to 22', 35 MPH max above 22' (Permit Manual secs. 6.5.1, 6.6.1). The schema shows lead+chase; the permit will name all four.
Height-pole escortover 14'6" height
Height-pole escort. The Apr-2023 Permit Manual sets the trigger at over 17' (sec. 9.3.4: front pilot with a pole at least 6" above the highest point) and at over 16'6" under Glenn Highway bridges MP 0–27 (sec. 9.2.2). This entry stays at the lower 14'6" figure (17 AAC 25.020, unconfirmed) deliberately. Not required where DOT&PF has determined in writing there are no overhead structures, nor north of the Fox Weigh Station.
Lead (front) pilot carover 14'0" width
Over 14' up to 18' wide: AT LEAST THREE pilot/escort vehicles on all routes; 45 MPH max (Permit Manual sec. 6.4.1). The schema can only show lead+chase — plan for three.
Chase (rear) pilot carover 12'0" width
Over 12' up to 14' wide: AT LEAST TWO pilot/escort vehicles on all routes unless the permit states otherwise (Permit Manual sec. 6.3.1). Ladder: 1 over 10'6", 2 over 12', 3 over 14', 4 over 18' (secs. 6.2.1–6.6.1).
Lead (front) pilot carover 10'6" width
"Vehicles or loads exceeding 10 feet 6 inches must be accompanied by at least one pilot/escort vehicle on all routes" (Alaska DOT&PF Permit Manual, Apr 2023, sec. 6.2.1). Escort count rises with width: 2 over 12', 3 over 14', 4 over 18'.

Travel restrictions

Daylight-only travelover 14'0" width
Overwide loads restricted to daylight movement on most state highways. Night endorsement rare; confirm with DOT district office (17 AAC 25.015).

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Informational only. These thresholds are compiled from published Alaska DOT references and are not legal or operational advice. Permit conditions can differ from the general tables, and rules change — always verify with the Alaska permit office before you move a load.

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