Spring Weight Restrictions 2020

Spring weight limit postings and signs have and are going up in several states and counties, including specific limitations to oversize/overweight travel.

We are publishing information and insuring all WCS permit agents are aware as info is made available from each state.


Effective 6:00 am Monday, March 2nd 2020 weight restrictions will be imposed and enforced on all state trunk line highways within an area of Michigan described as follows. Highways north of a line on M-43 in the City of South Haven east to US-131 in Kalamazoo County then south to I-94 in Kalamazoo County then east to I-69 in Calhoun County, then north to Lansing then continuing east on I-69 to Port Huron in St. Clair County. Highways south of a line on M-55 from the US-31 intersection in Manistee County east to M-66 in Missaukee County then north on M-66 to M-55 in Missaukee County then east on M-55 to the intersection of US-23 in City of Tawas, Iosco County. All state trunk lines between these two lines will have weight restrictions imposed and enforced. 

Weight restriction information and updates may be obtained by calling 1-800-787-8960. For Companies located in Canada and New Jersey, information may be obtained by calling 517-335-0023

On routes designated as “All Season Routes” (green and gold on the MDOT Truck Operators Map) there will be no reduction in legal axle weight. On routes designated as “Seasonal” (solid or dashed red on the MDOT Truck Operators Map), there will be a reduction of 25% for rigid pavements and 35% for flexible pavements. 

Extended permits will be valid for oversize only in the weight restricted area. 

Single trip permits will not be issued for overweight or loads exceeding 14 feet in width, 11 axles and 150 feet in overall length in the weight restricted area. 

Detailed weight restriction information may be obtained by linking to www.michigan.gov/truckersPlease refer to MDOT Truck Operators Map for route designations. 


The Stephenson County (Illinois) Highway Department will be installing the Spring Weight Limit Posting signs on Stephenson County highways later this week.  Enforcement of the posted weight limits will begin at 7:00 A.M. onMonday, March 02, 2020.

During the Spring Weight Limit Posting period, the dept. will not be issuing any overweight vehicle permits for transports on county or township roads. Permits for oversize vehicles will continue to be issued.

South Dakota

Effective at 10 a.m. CST, March 2, 2020, Spring Load Limit Restrictions will apply to the road segment and at the indicated weight limit shown in the table below.


LocationBegin/End MRMLengthPostingRegion
SD 26From Hwy 47 to Hwy 45                  230.12 to 252.8522.736 Tons/AxleAberdeen
SD 26From Hwy 45 to Hand/Spink Co Line253.85 to 267.7713.926 Tons/AxleAberdeen
SD 45From US 212 to US 14137.72 to 112.3725.356 Tons/AxleAberdeen

The effective date of the load restrictions is determined by weather and road conditions.