MnDOT Home Click to view important Seasonal Load Limit updates for 2019-2020
Office of Materials &
Road Research

Frost Zone

Starting Date

Ending Date

Visual Status

Winter Load Increases (WLI)

Visual Status
Normal Legal Loads, Winter Load Increases, Middle-Range and Full-Summer Overweight Permits Available
Normal Legal Loads, Spring Load Restrictions Imminent
Spring Load Restrictions Enforced
Normal Legal Loads, Middle-Range Overweight Permits Available
Normal Legal Loads, Middle-Range and Full-Summer Overweight Permits Available

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Dec 09, 2019
Dec 09, 2019
Dec 15, 2019
Dec 19, 2019
Dec 17, 2019
Dec 19, 2019

Mar 13, 2020
Mar 13, 2020
Mar 09, 2020
Mar 06, 2020
Mar 06, 2020
Mar 06, 2020

Spring Load Restrictions (SLR)

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Mar 13, 2020
Mar 13, 2020
Mar 09, 2020
Mar 06, 2020
Mar 06, 2020
Mar 06, 2020

May 08, 2020
May 08, 2020
May 04, 2020
Apr 13, 2020
Apr 20, 2020
Apr 13, 2020

Middle-Range Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

May 08, 2020
May 08, 2020
May 04, 2020
Apr 13, 2020
Apr 20, 2020
Apr 13, 2020

  
  
  
  
  
  

Full-Summer Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

May 21, 2020
May 21, 2020
May 18, 2020
Apr 27, 2020
May 04, 2020
Apr 27, 2020

  
  
  
  
  
  

All starting and ending dates begin at 12:01 a.m. and are preceded by at least a 3-day advance notice.  Notice is available on this website, or from a recording at (651) 366-5400 or toll free at 1-800-723-6543, or automatically by subscribing to receive e-mail updates.
MnDOT Technical Memorandum SLL Update  2019-2020 Other Related Information