Trucking Regulations in Wisconsin
Complete guide to weight limits, speed limits, permits, chain laws, and special rules for commercial truck drivers operating in Wisconsin.
Max Gross Weight
80,000 lbs (98,000 lbs on state routes with 6-axle permit)
Truck Speed Limit
70 mph (same as cars)
Diesel Tax
$0.326 per gallon diesel + federal
Weight & Size Limits in Wisconsin
| Measurement | Limit |
|---|---|
| Max Gross Vehicle Weight | 80,000 lbs (98,000 lbs on state routes with 6-axle permit) |
| Max Axle Weight | 20,000 lbs single axle, 34,000 lbs tandem |
| Max Trailer Length | 53 ft trailer, 65 ft overall |
| Max Width | 102 inches |
| Max Height | 13'6" |
Speed Limits for Trucks in Wisconsin
Rural Interstate
70 mph
Urban Interstate
55-65 mph
Truck-Specific
70 mph (same as cars)
Fuel Tax & Tolls in Wisconsin
Diesel Fuel Tax
$0.326 per gallon diesel + federal
Toll Roads & Bridges
No toll roads in the state.
Chain Laws & Weather Requirements
No chain law. Severe winter weather requiring winter driving skills.
Oversize & Overweight Permits
WisDOT Oversize/Overweight Permits. Online permitting through OSOW system. Spring weight restrictions on many state and county roads.
Port of Entry & Weigh Stations
Weigh stations on I-94, I-90, I-43, I-41. Wisconsin State Patrol commercial vehicle enforcement.
Special Rules for Wisconsin
Hazmat Route Restrictions
Hazmat restricted through downtown Milwaukee and Madison. Designated routes for dairy and food industry chemical transport. Lake Michigan shoreline routing restrictions.
Rest Area & Parking Rules
Rest areas allow overnight parking. Good coverage on I-94 and I-90. No anti-idling law.
DOT Inspection Frequency
Moderate. Wisconsin State Patrol focuses on I-94 corridor and dairy/agricultural haulers.
Looking for Trucking Jobs in Wisconsin?
Browse CDL driver positions and connect with carriers operating in Wisconsin.
Frequently Asked Questions About Wisconsin Trucking Regulations
What is the maximum truck weight in Wisconsin?
Wisconsin allows up to 98,000 lbs on state routes with 6-axle configurations and permits. Interstate highways follow the federal 80,000 lbs limit. This higher state limit supports the dairy, paper, and manufacturing industries.
Does Wisconsin have toll roads?
No, Wisconsin has no toll roads, bridges, or turnpikes. All interstates and state highways are toll-free, making Wisconsin one of the more cost-effective states for trucking in the upper Midwest.
What is the truck speed limit in Wisconsin?
Wisconsin allows 70 mph for trucks on rural interstates, matching passenger vehicles. Urban interstates in Milwaukee and Madison are 55-65 mph. There is no differential truck speed limit.
What are the spring weight restrictions in Wisconsin?
Wisconsin strictly enforces spring weight restrictions on state and county roads from approximately March through May. Weight limits are reduced to protect road surfaces during freeze-thaw cycles. The restrictions affect dairy tanker routes significantly. Carriers should check WisDOT's seasonal restriction map.
What type of freight dominates Wisconsin trucking?
Dairy products are Wisconsin's signature freight, with milk tankers and refrigerated cheese/butter loads running constantly. Paper products from the Fox Valley mills, Harley-Davidson motorcycles from Milwaukee, agricultural products, and Midwest distribution center freight round out the major commodity types.