The information of Wisconsin Oversize permits is provided solely for reference. Please carefully review your permits and provisions sheets, as we cannot guarantee the accuracy of the information. For questions or assistance, contact the number provided.

Wisconsin DOT #: +1 414-266-1147

PERMITS:

Wisconsin oversize permits are valid for a continuous fourteen-day period and must be obtained before entering the state.

OPERATING TIME:

Loads not exceeding 12′ in width, 13’6″ in height, or 100′ in length have 24/7 operation, except between 4:00 PM to 11:00 PM on Sundays and between 4:00 PM to 11:00 PM from the fourth Sunday in May to Labor Day. Dimensions greater than these may not operate during darkness, from Noon on Saturdays until sunrise on Mondays, and not between 4:00 PM to 11:00 PM from the fourth Sunday in May to Labor Day. Overweight-only travel is permitted 24/7, including weekends and holidays, unless otherwise specified on the permit.

RESTRICTED TRAVEL:

Travel is restricted on major holidays and holiday weekends, with some variations based on size.

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Call (832) 454-5883 For Permit Consultation

LEGAL DIMENSIONS FOR WISCONSIN OVERSIZE PERMITS

Length:

  • 53′ semi-trailer on designated highways (provided kingpin to center of rear tandem or to center of last axle of a Tridem does not exceed 43′)
  • 48′ semi-trailer and 75′ overall on other roads

Width:

8’6″

Height:

13’6″

Weight:

80,000 Gross

  • Single – 20,000
  • Tandem – 34,000
  • Tridem – 42,000 (43,000 with 9′ of spacings)

ROUTINE PERMIT LIMITS

Length:

No set limit

Width:

16′

Height:

Depends on routes

Weight:

  • Single – 30,000 (with 4 tires)
  • Tandem – 65,000
  • Tridem – 81,000

Loads exceeding 16′ or 150,000 pounds are considered as Super Loads.

wisconsin oversize permits

ESCORTS

Length:

Usually not required

Width:

Over 15′ – 1 escort

Height:

Usually not required, depends on routes

SEASONAL LOAD (WEIGHT) RESTRICTIONS OF WISCONSIN OVERSIZE PERMITS:

Typically, spring thaw overweight restrictions are imposed on “Class 2 Roads” from early March to mid-May. Interstates and US Highways usually remain unrestricted, with the exact start date varying annually.

MISCELLANEOUS:

Farm equipment delivered to a Wisconsin destination, not utilizing any Interstate routes, is exempt from requiring a permit. However, it is limited to travel only on Monday through Thursday and until 2:00 PM on Friday.

SIGNS, FLAGS & LIGHTS FOR WISCONSIN OVERSIZE PERMITS:

“Oversize Load” signs are obligatory when the vehicle/load exceeds 10′ in width or is overlength, and they must be illuminated for nighttime travel. Flags (18″ square) are required at the front and rear corners of overwidth loads, and at the widest point of any load that exceeds the vehicle’s width by more than 4 inches. When overlength, a single flag is necessary at the extreme rear if the overlength or projecting portion is 2′ wide or less, and two flags if over 2′ wide. Night moves must adhere to lighting regulations specified in the Wisconsin Permit General Provisions (MV2605) sheet.