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Kansas OS/OW Permit Requirements

United States · KDOT — Bureau of Transportation Safety & Technology, Permit Office

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

Lead time
3 business days
Base fee
$40 single-trip; $200 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 18' — route survey required
  • Height
    Height exceeds 15' — route survey required
  • Weight
    Gross weight exceeds 200,000 lbs — special heavy haul permit required

Fee notes

Single-trip $40 base. Annual $200. Superload (>16 ft H/W, >150,000 lbs) requires bridge analysis at $250–$1,500.

Official resources

Reference information last verified May 2026. Always confirm current requirements with KDOT — Bureau of Transportation Safety & Technology, Permit Office.

Surveying a route through Kansas?

RoadScope generates Kansas-compliant survey reports automatically — the right sections, certifications and documentation for KDOT — Bureau of Transportation Safety & Technology, Permit Office.

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