Do you need a pilot car in Arizona?

In Arizona, a lead (front) pilot car is required over 12'0" width; a chase (rear) pilot car is required over 14'0" width; a police / law-enforcement escort is required over 16'0" width; a height-pole escort is required over 15'0" height; a chase (rear) pilot car is required over 120'0" length; a lead (front) pilot car is required over 20'0" front overhang front overhang; a chase (rear) pilot car is required over 20'0" rear overhang rear overhang. Always confirm with the Arizona permit office, as thresholds change and permits can impose case-by-case conditions.

Arizona Pilot Car Requirements

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

✓ Cross-checked against the state sourceArizona permit source →

Escort & pilot car requirements

Lead (front) pilot carover 12'0" width
Front pilot car required for widths over 12' on Table 4 state routes (R17-6-412).
Chase (rear) pilot carover 14'0" width
Rear pilot car required for widths over 14' on Table 4 routes. Also required for any night/weekend movement over 11' wide.
Police / law-enforcement escortover 16'0" width
When more than 2 escorts are required (excess width/height/length/weight combined), Arizona requires 2 law enforcement escorts (R17-6-412 Table 4).
Height-pole escortover 15'0" height
Height-pole-equipped front pilot required for loads over 15' high (mandatory during 3am-sunrise weekend transport per R17-6-409).
Chase (rear) pilot carover 120'0" length
Escort required for combos over 120' overall (front and rear escort case-by-case per ADOT Class C review).
Lead (front) pilot carover 20'0" front overhang front overhang
Front escort required when front overhang exceeds 20' (independent of overall length).
Chase (rear) pilot carover 20'0" rear overhang rear overhang
Rear escort required when rear overhang exceeds 20' (independent of overall length).

Travel restrictions

Daylight-only travelover 10'0" width
Default operation is 1/2 hour before sunrise to 1/2 hour after sunset. Loads exceeding 10'W / 14'6"H / 120'L / 250k lb / 10' overhang lose continuous-travel exemption and require daylight-only (or 3am weekend transport with escort accompaniment per R17-6-409).
Weekend / holiday restrictionover 10'0" width
No transport on 6 ADOT holidays (New Year's, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas) for loads exceeding 10'W / 14'6"H / 120'L / 3' front overhang / 10' rear overhang. Holiday windows extend to noon of preceding business day (R17-6-409).

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

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