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Wisconsin OS/OW Permit Requirements

United States · WisDOT — Division of Transportation Infrastructure Development, OS/OW Permits

Everything heavy-haul carriers need to know before moving an oversize or overweight load through Wisconsin: survey triggers, fees, lead times and the official permit portal.

Lead time
3 business days
Base fee
$25 single-trip; $325 annual
Permit validity
Up to 5 days

Route survey triggers

  • Height
    Height exceeds 13'6" — oversize permit required
  • Width
    Width exceeds 8'6" — oversize permit required
  • Length
    Length exceeds 65' — oversize permit required
  • Weight
    Gross weight exceeds 80,000 lbs — overweight permit required
  • Width
    Width exceeds 16' — route survey required
  • Height
    Height exceeds 15' — route survey required
  • Weight
    Gross weight exceeds 200,000 lbs — WisDOT superload engineering review

Fee notes

Single-trip $25 base. Annual $325 multi-trip. Overweight $5–$300 by tier. Superload (>16 ft wide, >170,000 lbs) requires WisDOT engineering review at $250+.

Official resources

Reference information last verified May 2026. Always confirm current requirements with WisDOT — Division of Transportation Infrastructure Development, OS/OW Permits.

Surveying a route through Wisconsin?

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