The Frozen Roads period begins in Zones 3 and 4 at 12:01 AM on Thursday, January 28, 2021 in Wisconsin. The Frozen Roads Declaration was previously in effect in Zones 1 and 2. The Frozen Roads Declaration will be issued for Zone 5 when conditions warrant.
Zone 1: Extends from the Minnesota border, Lake Superior, and the Michigan border south to and including US Highway 8.
Zone 2: Extends from the southern limit of Zone 1 to and including a line defined by US Highway 10, east on State Highway 73, east on State Highway 54, north on State Highway 22/110, east on State Highway 22 east to Lake Michigan east of Oconto (including Highways 10, 22, 54, 73, and 110).
Zone 3: Extends from the southern limit of Zone 2 to and including a line defined by US Highway 151, east on US Highway 10 to Lake Michigan (including Highways 10 and 151).
Zone 4: Extends from the southern limit of Zone 3 to and including a line defined by I-39/90 starting at the Illinois border, east on I-43, north on State Highway 164, east on State Highway 167 east to Lake Michigan (including Highways 39/90, 43, 164. And 167).
Zone 5: Extends from the southern limit of Zone 4 to the Illinois border and Lake Michigan.
For more information on the frozen roads program including a map of the zones, please visit.
https://wisconsindot.gov/Pages/dmv/com-drv-vehs/mtr-car-trkr/ssnl-wt-rsrctns/frozenroad.aspx
Interested in seeing how WisDOT monitors field conditions to verify frost depths, see the following video:
- For updates on current road conditions, traffic incidents, even traffic cameras, check 511 Wisconsin and on Twitter at https://twitter.com/511WI
- Wisconsin DOT has a number of rest areas available for drivers to park and wait out inclement weather.
- Many weight stations also have available parking.
- Wisconsin’s new Truck Parking Information Management System is active at the multiple rest area locations and highway signage will explain space availability.
WisDOT Bureau of Highway Maintenance
OSOW Permit Unit
(608) 266-7320




