Effective Saturday, February 8, 2020, at 12:01 a.m., Wisconsin's frozen road law will expand to include regions designated by the Wisconsin Department of Transportation (WisDOT) as Zone 3 and 4. The expansion Saturday covers the state except for Zone 5 in southeast Wisconsin. The frozen road determination for Zone 5 will be made once conditions warrant.
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Wisconsin Department of TransportationBureau of Highway Maintenance P.O. Box 7980Madison WI 53707-7980
firstname.lastname@example.orgPhone (608) 266-7320Fax (608) 264-7751