Hours of operation for oversize/overwidth permitted vehicles

Vehicles that are overweight only, unless specified otherwise in the permit, may operate 24 hours a day, including weekends and holidays.

Smaller size vehicles -- if size does not exceed 12’ 00” wide, 13’ 06” high or 150’ 00” long:

Larger size vehicles -- if size is greater than 12’ 00” wide, 13’ 06” high or 150’ 00” long, the vehicle may not be operated:

If traveling on the Milwaukee County Expressway greater than legal width, height or length,* the vehicle may not be operated (except on US 45 between West Florist Avenue and West Hampton Avenue and on I-94 between Waukesha line and 108th Street):

  • Between 6 a.m. and 9 a.m. and between 3 p.m. and 6 p.m. Monday through Thursday
  • Between 6 a.m. and 9 a.m. and 3 p.m. and 8 p.m. Friday
  • Between 3 p.m. and 8 p.m. Sunday

*Maximum allowed dimensions on the Milwaukee County Expressway are 14’ 0” wide, 14’ 06” high or 150’ 00” long.

If traveling on the Madison Beltline greater than legal width, height or length with a Single Trip permit, the vehicle may not be operated on US-12 and US-18 between Verona Road and Stoughton Road:

  • Between 6 a.m. and 9 a.m. and between 3 p.m. and 6 p.m. Monday through Friday​

Questions about the content of this page:

Oversize-Overweight Permits

Wisconsin Department of Transportation
Bureau of Highway Maintenance
P.O. Box 7980
Madison WI 53707-7980

Email:osow@dot.wi.gov
Phone: (608) 266-7320

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Statutory reference: Wis. Stat. ch. 348; Wis. Admin. Code ch. Trans 230​​​​​​