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Spring Load Restrictions Maps: Download Maps & Weight Tables Text Description (trunk highways posted less than 10-ton axle) Contacts for Paper Copy Exceptions/Changes to Spring Load Restrictions: Complete Report - All Zones Spring Load Restrictions - Minnesota Statutes Zone Boundary Descriptions Average Starting Date Contour Cumulative Thawing Index Maps Frost and Thaw Depth Graphs SLR Introduction Technical Fact Sheet Definitions and Criteria for Starting and Ending Dates Historical Spring Load Restriction Placement/Removal Dates   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 © 2012 Minnesota Department of Transportation • 395 John Ireland Boulevard • St. Paul, MN 55155-1899 • Phone: 800/657-3774 • 800/627-3529(TTY, Voice, ASCII) A to Z | Getting Around | About Mn/DOT | Accessibility | Disclaimer and Legal | Doing Business | Contact Mn/DOT | News Room | 511 Traveler Service | Careers/Jobs | Links | Northstar | Governor's Site Last Updated: Thursday, January 26, 2012 - 2:52:19 p.m. Central Standard Time