illinois
Legal Load
Width – 8’6″
Height – 13’6″
Length – 53′ trailer
Weight
GVW – 80,000lbs
Steer – 20,000lbs
Single – 20,000lbs
Tandem – 34,000lbs
Tridem – 42.500lbs
Routine Permits
Width – 14’6″
Height – 15′
Weight
5 axles – 100,000lbs
6 axles – 120,000lbs
Steer – 25,000lbs
Non steer axle cannot exceed 21,000lbs.
Length – 145′
Escorts
Width
Over 14’6″ – 1 car
Over 16’3″ – 3 cars
Height
Over 14’6″ – Front pole car
Over 18′ – Front pole car and 2 cars
Length
Over 110′ – 1 car
Over 145′ – 3 cars
Travel Restrictions
Movement permitted 1/2 hour before sunrise to 1/2 after sunset, 7 days a week if dimensions are 14’6″ wide, 15′ tall and 145′ long or less. Loads larger than any of these dimensions are restricted to daylight movement Monday thru Friday and Saturday until noon. Continuous travel allowed for overweight only.
Toll Road
Max 12′ wide, 14’6″ tall and 120,000lbs. State permits are required for travel on toll roads.
indiana
Legal Load
Width – 8’6″
Height – 13’6″
Length – 60′ or 53′ trailer
Weight
GVW – 80,000lbs
Steer – 12,000lbs
Single – 20,000lbs
Tandem – 34,000lbs
Tridem – 42,000lbs
Routine Permits
Width – 16′
Height – 15′
Weight – 120,000lbs
Length – 110′
Escorts
Width
Over 12’4″ – 1 car
14’4″ and over – 1 car on interstates and all other routes 2 cars
Height – Over 14’6″ Front pole car
Length – Over 110′ – 1 car
Travel Restrictions
110′ long, 10′ wide and 13’6″ tall are allowed continuous travel. Over these dimensions, travel is restricted depending on the individual load.
Toll Road
Max 12′ wide, 14’6″ tall and 90,000lbs. State permits are required for travel on toll roads.
michigan
Legal Load
Width – 8’6″
Height – 13’6″
Length – 53′ trailer
Weight
GVW – 80,000lbs
Steer – 12,000lbs
Single – 20,000lbs
Tandem – 34,000lbs
Tridem – 39,000lbs
Routine Permits
Width – 16′ or 14′ Frost Laws
Height – 15′
Weight – Depends on load and route
Length – 150′
Escorts
Width
Over 12′ – 1 car
Over 14′ – Front and Rear cars
Height
Over 14’6″ – Front pole car
Over 15′ – Front pole car and rear car
Length
Over 90′ – 1 car
Over 100′ – Front and Rear car
Overhang – Over 15′ – Rear car
Travel Restrictions
Sunrise to sunset travel allowed Monday thru Friday. Loads that are overweight and not over 10′ wide, 14′ tall and 90′ long are allowed weekend travel, all day on Saturday and until 3PM on Sunday.
Frost Laws
During period set by the state for Frost laws, max weights per axle and specific routing will be determined by the load and configuration of your tractor and trailer. Max width allowed during this time is 14′. Overweight permits will be heavily restricted during this time.
minnesota
Legal Load
Width – 8’6″
Height – 13’6″
Length – 75′
Weight
GVW – 80,000lbs
Steer – 12,000lbs
Single – 20,000lbs
Tandem – 34,000lbs
Tridem – 42,000lbs
Routine Permits
Width – 14’6″
Height – 15’6″
Length – 110′
Weight
5 axles – 92,000lbs
6 axles – 112,000lbs
7 axles – 132,000lbs
8 axles – 144,000lbs
Escorts
Width
Over 14’6″ – 2 lanes – Front and Rear car
4 lanes – Rear car
Over 16′ – Front Police and Rear car
Height
Height survey at 6″ higher than requested height if 15’6″ tall or higher. No car required.
Length
Over 95′ – Minimum 1 car (Based on route)
Over 110′ – Front and Rear car minimum (Based on route)
Travel Restrictions
Travel allowed 2AM to 10PM daily. Exceptions are Friday thru Sunday between Memorial Day and Labor Day. No travel allowed after 2PM during those days. Continuous travel allowed for 9′ wide, 14′ tall and 75′ long if on road of 22′ width. Overweight loads have continuous travel on all routes.
missouri
Legal Load
Width – 8’6″
Height – 14′ on Interstate 13’6″ on all other routes
Length – 53′ trailer
Weight
GVW – 80,000lbs
Steer – 12,000lbs
Single – 20,000lbs
Tandem – 34,000lbs
Routine Permits
Width – 16′
Height – 16′
Length – 110′
Weight
5 axles – 104,000lbs
6 axles – 120,000lbs
7 axles – 130,000-150,000lbs based on axle spacing configuration
8 axles – 144,000 – 160,000lbs based on axle spacing configuration
Escorts
Width
12’4″ – 14′ – 2 lane – Front and Rear cars
4 lane – 1 car
16′ – Police escort off interstate
18′ – Police escort on interstate
Height – Over 15’6″ – 1 car
Length – Over 90′ – 1 car on 2 lanes
Travel Restrictions
Travel permitted 1/2 hour before sunrise to 1/2 hour after sunset. Travel allowed on weekends up to 14′ w. Continuous travel allowed if only overweight.
ohio
Legal Load
Width – 8’6″
Height – 13’6″
Length – 53′ trailer
Weight – GVW – 80,000lbs
Routine Permits
Width – 14′
Height – 14’6″
Length – Depends on the route
Weight
Single – 29,000lbs
Tandem – 50,000lbs
Tridem – 60,000lbs
Quad – 80,000lbs
**Spacings under 4’1″ will be less than these weights**
Escorts
Width
Over 13′ – 1 car
Over 14’6″ – Front and Rear cars
Height – Over 14’6″ Front pole car
Length – Over 90′ – 1 car
Travel Restrictions
Up to 12′ wide and/or overheight can travel daylight hours, 7 days a week. Over 12′ wide can travel daylight hours Monday thru Friday and sunlight to 3PM on Saturdays and Sundays.
Toll Road
Weekend and night travel allowed up to 10′ wide. Daylight hours only if over 10′ wide, 14′ tall and 130,000lbs. Turnpike permits are separate from state permits.
wisconsin
Legal Load
Width – 8’6″
Height – 13’6″
Length – 75′ or 53′ trailer
Weight – GVW – 80,000lbs
Routine Permits
Width – 16’0
Height – Depends on the route
Weight
5 axles – 150,000lbs
6 axles – 166,000lbs
Weight is determined by spacing and configuration
Escorts
Width
Over 14′ – Front car
Over 16′ – Front and Rear cars
Height – Depends on the route
Length – Depends on the route
Travel Restrictions
Travel permitted 1/2 hour before sunrise and 1/2 before sunset. Travel permitted on Saturdays until noon.
Exceptions
Farm machinery up to 12′ wide, legal height and weight is exempt if off interstate.
