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.

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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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