The Minnesota Department of Transportation will start issuing full-summer overweight permits in the CENTRAL frost zone Monday, May 18 and in the NORTH-CENTRAL and NORTH frost zones Thursday, May 21, 2020.
Full-summer overweight permits are already available in the METRO, SOUTHEAST and SOUTH frost zones.
Frost zones and restricted routes can be found on the MnDOT load limits map.
Start and end dates and other load limit information are shown at mndot.gov/loadlimits.
Middle-range overweight permits become available within each frost zone when spring load restrictions are lifted. Full-summer overweight permits become available two to three weeks after spring load restrictions are lifted.
MnDOT will report start and end dates on its 24-hour automated message center at 1-800-723-6543 for the U.S. and Canada, and locally at 651-366-5400 for the Minneapolis/St. Paul area.
All changes are made with a minimum three calendar-day notice.
For the most current information, go to MnDOT’s automated 24-hour message center at 800-723-6543 for the U.S. and Canada, or 651-366-5400 for the Minneapolis/St. Paul area. This information is also published on the MnDOT seasonal load limits website at mndot.gov/loadlimits.