MnDOT Home Click to view important Seasonal Load Limit updates for 2017-2018
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 14, 2017
Dec 18, 2017
Dec 30, 2017
Dec 30, 2017
Dec 30, 2017
Dec 30, 2017

Mar 22, 2018
Mar 21, 2018
Mar 06, 2018
Mar 05, 2018
Mar 05, 2018
Mar 05, 2018

Spring Load Restrictions (SLR)

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Mar 22, 2018
Mar 21, 2018
Mar 16, 2018
Mar 05, 2018
Mar 06, 2018
Mar 05, 2018

May 17, 2018
May 16, 2018
May 11, 2018
Apr 30, 2018
May 01, 2018
Apr 30, 2018

Middle-Range Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

May 17, 2018
May 16, 2018
May 11, 2018
Apr 30, 2018
May 01, 2018
Apr 30, 2018

  
  
  
  
  
  

Full-Summer Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Jun 07, 2017
May 26, 2017
May 08, 2017
May 21, 2018
May 22, 2018
May 21, 2018

Mar 22, 2018
Mar 21, 2018
Mar 06, 2018
  
  
  

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  2017-2018 Other Related Information