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Oversize/
overweight permits

Determine if a permit is required

Single trip  

Multiple trip  

Apply for a permit

Forms/applications

Times of operation

Permit requirements

Detour and construction information

Seasonal weight restrictions

Additional information

Single trip permits

  • Valid for 14 days, valid for 1 trip only
  • Route is specified
  • Return trip allowed at no charge if requested with original permit application
  • Can request 5 days in advance through online Self Issue System or 10 days in advance through all other application sources

Single trip vehicle or load (SS) 

  • For miscellaneous non-divisible oversize/overweight loads or vehicles
  • Examples of loads include transformer, boat, air conditioner, crane under-own-power, well driller under-own-power 
  • Buildings such as houses, garages and other structures defined as "Building" are not permitted under this permit type; see permit type "Single trip building" below for more information
  • Divisible loads such as steel beams, trusses, 2 tractors loaded end-to-end can sometimes be allowed if specified loading or routing conditions can be met

Forms and more information about this permit type and how to apply.

Single trip building (SB)

  • For moving buildings such as houses, garages or other structures as defined below
  • "Building" means a dwelling or other structure (or portion of) with one or more overall transport measurements equaling or exceeding 12 feet wide, 14 feet 3 inches high, or 100 feet long, that is raised and supported from an existing foundation to be moved and placed on a permanent foundation at a new location where the building is to be delivered; "building" does not include a modular housing unit or manufactured building or home

Forms and more information about this permit type and how to apply.

Single trip mobile home/modular building section (SM) 

  • Maximum mobile home or modular building section length of 80 feet
  • Maximum overall length of 110 feet 
  • No overweight allowed
  • Separate permits and escorts are required for each section
  • Escorts are typically required when a vehicle exceeds 15 feet below the roof line or exceeds 16 feet at the roofline

Forms and more information about this permit type and how to apply

If you have questions:

Wisconsin Department of Transportation
Motor Carrier Services
P.O. Box 7980
Madison WI 53707-7980

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