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News and Announcements

Posted on: March 2, 2021

Spring Load Restrictions

spring load map - image

Update: April 8, 2021

The Minnesota Department of Transportation will end spring load restrictions (SLR) in the SOUTHEAST and METRO frost zones Monday, April 12, 2021 at 12:01 AM. 

Spring load restrictions are still in effect in the SOUTH, CENTRAL, NORTH-CENTRAL and NORTH 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

Overweight permits for more than 80,000 pound gross vehicle weight continue during spring load restrictions and new permits will be issued if all axle and group weights are legal (axle weight limits). 

Full-summer overweight permits can be issued, during the spring load restriction period, for travel on the interstate system only.

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.  

Ending dates for spring load restrictions are variable and based on how weather is affecting roadway strength.  

For questions about legal axle weight during SLR; Gross Vehicle Weight Schedule, call:
Minnesota Department of Public Safety
State Patrol – Commercial Vehicle Enforcement

For questions about oversize/overweight loads/permitting call:
Minnesota Department of Transportation
Freight and Commercial Vehicle Operations – Oversize/Overweight Permits
Or email: 

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 1-800-723-6543 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

For updated road condition information, call 511 or visit


Reduced weight restrictions are placed on the weight per axle of vehicles on some county highways during the spring months. Restriction periods can last a minimum of eight weeks. During that time, Oversize Vehicle Permits cannot be purchased online until the restrictions are lifted. Click here for the the South St. Paul Road Restriction Map. 

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