Do you need a pilot car in Iowa?

In Iowa, a chase (rear) pilot car is required over 120'0" length; a chase (rear) pilot car is required over 14'6" width; a height-pole escort is required over 14'4" height; a lead (front) pilot car is required over 12'0" width. Always confirm with the Iowa permit office, as thresholds change and permits can impose case-by-case conditions.

Iowa Pilot Car Requirements

When does an oversize or overweight load need a pilot car or escort in Iowa? 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 sourceIowa permit source →

Escort & pilot car requirements

Chase (rear) pilot carover 120'0" length
Rear pilot car required for combinations over 120' overall length.
Chase (rear) pilot carover 14'6" width
Rear pilot car required on 4-lane/interstate roads for widths over 14'6" (r. 761-520).
Height-pole escortover 14'4" height
Height-pole escort required for heights 14'4" to 20'; loads over 20' may be prohibited.
Lead (front) pilot carover 12'0" width
Front pilot car required on 2-lane highways for widths 12'–14'6"; front + rear above 14'6".

Travel restrictions

Daylight-only travelover 11'0" width
Sunrise-to-sunset travel only when width exceeds 11', length exceeds 100', or height exceeds 14'6".

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

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