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:

  • No hours of operation restrictions in 67 counties unless specified on an individual permit.
  • If traveling in Columbia, Dane, Milwaukee, Rock or Waukesha counties, vehicle may not be operated:

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.

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 oversize-permits.dmv@dot.wi.gov
Phone (608) 266-7320
Fax (608) 264-7751

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