Trucking Regulations in Minnesota
Complete guide to weight limits, speed limits, permits, chain laws, and special rules for commercial truck drivers operating in Minnesota.
Max Gross Weight
80,000 lbs (88,000 lbs on state routes, higher with special permits)
Truck Speed Limit
70 mph (same as cars)
Diesel Tax
$0.285 per gallon diesel + federal
Weight & Size Limits in Minnesota
| Measurement | Limit |
|---|---|
| Max Gross Vehicle Weight | 80,000 lbs (88,000 lbs on state routes, higher with special permits) |
| Max Axle Weight | 20,000 lbs single axle, 34,000 lbs tandem |
| Max Trailer Length | 53 ft trailer, 75 ft for doubles |
| Max Width | 102 inches |
| Max Height | 13'6" |
Speed Limits for Trucks in Minnesota
Rural Interstate
70 mph
Urban Interstate
55 mph
Truck-Specific
70 mph (same as cars)
Fuel Tax & Tolls in Minnesota
Diesel Fuel Tax
$0.285 per gallon diesel + federal
Toll Roads & Bridges
MnPASS Express Lanes on I-394 and I-35W in Minneapolis metro. Otherwise no toll roads.
Chain Laws & Weather Requirements
No chain law, but severe winter weather requires winter preparedness. MnDOT can restrict travel during blizzards.
Oversize & Overweight Permits
MnDOT Freight Office. Online permitting through OSOW system. Spring weight restrictions on state highways are strictly enforced.
Port of Entry & Weigh Stations
Weigh stations on I-94, I-35, I-90. MnDOT commercial vehicle enforcement uses WIM technology and mobile units.
Special Rules for Minnesota
Hazmat Route Restrictions
Hazmat restricted through downtown Minneapolis and St. Paul. Designated routes avoid residential areas. I-94 and I-35W hazmat restrictions during peak hours in metro area.
Rest Area & Parking Rules
Rest areas allow overnight parking. Good spacing on I-94 and I-90. Some rest areas close seasonally in winter. No anti-idling law.
DOT Inspection Frequency
Moderate to high. MnDOT and Minnesota State Patrol focus on spring weight restriction enforcement and I-94/I-35 corridors.
Looking for Trucking Jobs in Minnesota?
Browse CDL driver positions and connect with carriers operating in Minnesota.
Frequently Asked Questions About Minnesota Trucking Regulations
What are Minnesota's spring weight restrictions?
Minnesota strictly enforces spring weight restrictions from approximately March through May on state highways. Weight limits are reduced by up to 40% to protect road surfaces during freeze-thaw cycles. Carriers must check MnDOT's spring load restriction map before routing on state roads. Fines for overweight during restrictions are steep.
Can trucks exceed 80,000 lbs in Minnesota?
Yes, Minnesota allows up to 88,000 lbs on state routes with proper 7-axle configurations. Special permits are available for even heavier loads on designated routes. Interstate highways follow the federal 80,000 lbs limit. Agricultural loads may get additional exemptions during harvest.
How does extreme cold affect trucking in Minnesota?
Minnesota regularly experiences temperatures below -30°F, which can cause diesel fuel gelling, battery failure, and brake issues. Carriers should use winter blend diesel or anti-gel additives. Block heaters and APUs are essential for overnight parking. MnDOT may issue no-travel advisories during severe cold snaps.
What is the truck speed limit in Minnesota?
Minnesota allows 70 mph for trucks on rural interstates, matching passenger vehicles. Urban interstates in the Twin Cities metro are 55 mph. There is no differential truck speed limit in Minnesota.
How congested is the Twin Cities metro?
The Minneapolis-St. Paul metro area is one of the most congested in the upper Midwest. I-94, I-35W/35E, and I-494/694 see significant delays during peak hours. Carriers should plan 1-2 extra hours for metro area transit during rush hours and consider off-peak scheduling for local deliveries.