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Connecticut OS/OW Permit Requirements

United States · CTDOT — Bureau of Engineering & Highway Operations, Special Permit Section

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

Lead time
5 business days
Base fee
$23 single-trip; $193 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 14' — route survey required
  • Height
    Height exceeds 14' — route survey required

Fee notes

Single-trip $23. Annual blanket $193. Overweight surcharge from $10 per 1,000 lbs over 80,000 lbs. Police escort billed at municipal rates (~$75/hr).

Official resources

Reference information last verified May 2026. Always confirm current requirements with CTDOT — Bureau of Engineering & Highway Operations, Special Permit Section.

Surveying a route through Connecticut?

RoadScope generates Connecticut-compliant survey reports automatically — the right sections, certifications and documentation for CTDOT — Bureau of Engineering & Highway Operations, Special Permit Section.

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