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News Release

March 5, 2010



Minnesota Department of Transportation
Office of Communications
395 John Ireland Blvd.
Mail Stop 150
St. Paul, MN 55155-1899

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Spring truck weight restrictions begin next week in all state frost zones


Legal truck weight limits that were increased during the winter months in Minnesota will end next week. Spring weight restrictions will begin at the same time, the Minnesota Department of Transportation announced.


Spring truck weight restrictions begin in the south, southeast and Twin Cities Metro frost zones at 12:01 a.m. on Monday, March 8. Spring weight restrictions in the central, north-central and north frost zones begin at 12:01 a.m. on Tuesday, March 9.
No overweight truck permits are issued during the spring load restriction period.


Frost zone boundaries are:


“Truck weight restrictions are used in the spring to help preserve pavements that lose strength due to partial thaw conditions and trapped water,” said Keith Shannon, director of Mn/DOT’s Office of Materials. “The ending date for spring load restrictions is dependent on weather condition changes and cannot exceed eight weeks."


For more information about the department’s seasonal load limits, locations of weight- restricted routes and state highways open to maximum 10-ton axle weights go to http://www.mrr.dot.state.mn.us/research/seasonal_load_limits/sllindex.asp.


Information is also available toll-free by calling 1-800-723-6543 in the United States and Canada, or 651-366-5400 in the Twin Cities metro area. For questions about legal weight/size trucking call the Minnesota Department of Public Safety State Patrol, Commercial Vehicle Enforcement 651-405-6171 (select Option 3, Option 3). For questions about over legal weight/size "heavy haul" trucking, call the Minnesota Department of Transportation, Freight and Commercial Vehicle Operations, Oversize/Weight Permits 651-296-6000.


Travelers in Minnesota can get up-to-date information on road conditions, construction and weather reports from Mn/DOT’s 511 traveler information service. Dial 5-1-1 or go to the Internet at www.511mn.org.