From December 1 to May 1 every year, state highways in Wisconsin must withstand an extreme range of moisture and temperature conditions from -30 degrees Fahrenheit to +70 degrees Fahrenheit. These varying conditions affect the structural strength of the pavements and the base materials under the roadway.
Three distinct programs take advantage of the frozen pavement and sub-base conditions during the winter months and also protect pavement's weak conditions during the springtime freezing and thawing period.
All three of these programs apply only to the state highway system. Local county or township road maintenance authorities are responsible for determining when their roads are either frozen or thawing and whether sections should be posted for weight limitations. Questions related to weight restrictions on local or county roads should be referred to the maintaining authority for those roads. Regional transportation offices can be contacted to answer specific questions related to the state highway system in their region.
Call (608) 266-8417 for a recorded message of the current status of the roads weight restrictions.
Allan Johnson, P.E.WisDOT Winter Maintenance Engineer email@example.com
Questions about overweight/oversize permits: Motor carrier services,
firstname.lastname@example.org (608) 266-7320
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