Mn/DOT Home Click to view important Seasonal Load Limit updates for 2009-2010
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 13, 2009
Dec 14, 2009
Dec 16, 2009
Dec 18, 2009
Dec 17, 2009
Dec 18, 2009

Mar 09, 2010
Mar 09, 2010
Mar 09, 2010
Mar 08, 2010
Mar 08, 2010
Mar 08, 2010

Spring Load Restrictions (SLR)

 North
 North-Central 
 Central
 Metro
 South
 Southeast

Mar 09, 2010
Mar 09, 2010
Mar 09, 2010
Mar 08, 2010
Mar 08, 2010
Mar 08, 2010

  
  
  
  
  
  

Middle-Range Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

May 13, 2009
May 13, 2009
May 04, 2009
Apr 20, 2009
Apr 20, 2009
Apr 20, 2009

Mar 09, 2010
Mar 09, 2010
Mar 09, 2010
Mar 08, 2010
Mar 08, 2010
Mar 08, 2010

Full-Summer Overweight Permits

 North
 North-Central 
 Central
 Metro
 South
 Southeast

May 27, 2009
May 27, 2009
May 18, 2009
May 04, 2009
May 04, 2009
May 04, 2009

Mar 09, 2010
Mar 09, 2010
Mar 09, 2010
Mar 08, 2010
Mar 08, 2010
Mar 08, 2010

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.
Mn/DOT Technical Memorandum SLL Update  2009-2010 Other Related Information
Office of Materials & Road Research  E-mail: MaterialsLab.DOT@state.mn.us  1400 Gervais Avenue  Maplewood, MN 55109-2044  Phone: (651) 366-5592  FAX: (651) 366-5461
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Last Updated: Monday, March 8, 2010 - 3:58:26 p.m. Central Standard Time