Per Dunn County Ordinance - Chapter 18, All County Highways are now open to ATV/UTV Traffic with the exception of CTH B from STH 12/29 to STH 40, which will remain closed to ATV/UTV traffic. Attached is a map of the County ATV Routes. County Highways shown in blue are open, and County Highways shown in red are closed.
Note: State Highways are NOT open for ATV/UTV use. Please contact the Towns for information on ATV Routes on Township roadways.
Check this prior post with the original media release from the county.
From the Dunn County Facebook page.