MnDOT Home Click to view important Seasonal Load Limit updates for 2018-2019
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

Nov 30, 2018
Dec 03, 2018
Dec 14, 2018
Jan 18, 2019
Jan 18, 2019
Jan 18, 2019

Mar 19, 2019
Mar 19, 2019
Mar 14, 2019
Mar 14, 2019
Mar 14, 2019
Mar 14, 2019

Spring Load Restrictions (SLR)

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Mar 19, 2019
Mar 19, 2019
Mar 19, 2019
Mar 15, 2019
Mar 15, 2019
Mar 15, 2019

  
  
  
  
  
  

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

Mar 19, 2019
Mar 19, 2019
Mar 14, 2019
Mar 14, 2019
Mar 14, 2019
Mar 14, 2019

Full-Summer Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Jun 07, 2018
Jun 06, 2018
Jun 01, 2018
May 21, 2018
May 22, 2018
May 21, 2018

Mar 19, 2019
Mar 19, 2019
Mar 14, 2019
Mar 14, 2019
Mar 14, 2019
Mar 14, 2019

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  2018-2019 Other Related Information