Overweight/Oversized Vehicle Permits

A permit is necessary for the movement of vehicles exceeding weight and size limits on the Illinois Tollway. This page details those weight and size limitations, permit fees and restrictions on movements.

All vehicles must have a state (IDOT) permit number prior to obtaining a Tollway permit. Illinois Tollway requirements are consistent with the rules and regulations of the Illinois Department of Transportation.

Time of day and holiday travel restrictions apply to some vehicles. Learn more.

Over-dimension Limitations and Fees

Over-width

Not exceeding 8 feet 6 inches wide	Permit not required
Over 8 feet 6 inches to 12 feet wide	$15.00

Only through traffic using the mainline toll plazas can accommodate 12 feet wide loads. Please enter the lanes marked WIDE LOAD. Ramp toll plazas will be made available in the near future.
Over-width permits are obtained only at Illinois Tollway mainline toll plazas. Use the Tollway's interactive map to find toll plazas.
Wide load lanes are posted at the mainline toll plazas.
Over-width permits may not be issued to vehicles over 10 feet wide traveling through construction zones.

Over-length

Vehicles exceeding 100 feet or loads exceeding 80 feet in length

$15.00

To obtain an over-length permit, call 630-241-6800 extension 3847.

Over-height

Vehicles exceeding 13 feet 6 inches but not exceeding 14 feet 6 inches

$15.00

Over-height permits are obtained at the toll plazas.

Over-weight Limitations and Fees

Legal Weight Limit - No Permit Required

Single axles:
All single axles not more than 20,000 pounds.

Axles in tandem:
2-axle tandems (axles spacing 4 feet to 8 feet) not more than 34,000 pounds.
3-axle tandems (outside axles 8 feet to 10 feet) not more than 42,000 pounds.

Gross Vehicle Weight

Number of Axles	Maximum Weight	Minimum Outside Axle Spacing
2	36,000 pounds	10 feet
3	60,000 pounds	32 feet
4	80,000 pounds	57 feet
5	80,000 pounds	51 feet
6	80,000 pounds	43 feet

Permit Required - Routine Issue (No special analysis required)

Single axles:
Any single axle over 20,000 pounds but under 25,000 pounds.

Axles in tandem:
2-axle tandems (axles spacing 4 feet to 8 feet) more than 34,000 pounds but less than 48,000 pounds.
3-axle tandems (outside axles 8 feet to 10 feet) more than 42,000 pounds but less than 60,000 pounds.

Gross Vehicle Weight

Number of Axles	Maximum Weight	Minimum Outside Axle Spacing
2	36,001 pounds to 48,000 pounds	10 feet
3	68,000 pounds	31 feet to 14 feet
4	76,000 pounds	56 feet to 36 feet
5	80,001 pounds to 100,000 pounds	40 feet
6	80,001 pounds to 120,000 pounds	44 feet

Superloads

Vehicles not within the weight and axle spacings limits for a routine issue permit are designated a Superload and require a special analysis. Please contact the Tollway at 630-241-6800 extension 3847 a minimum of 3 days prior to the movement of a Superload.

The Illinois Tollway regulates and issues permits for Superloads crossing over bridges spanning the Tollway. Routine issue permits are issued by IDOT. If you are routing a Superload over a bridge crossing the Tollway, request a permit by calling 630-241-6800 extension 3847.

Vehicles are typically designated a Superload if:

The width is greater than 14 feet 6 inches.
The length is greater that 145 feet.
The height is greater than 14 feet 6 inches.
Any axle exceeds 25,000 pounds.
The gross weight is greater than 120,000 pounds.
Any tractor tandem is greater than 48,000 pounds.
Any trailer tandem is greater than 60,000 pounds.
Any trailer has 2 or more tandems.

Equipment such as cranes, drill rigs and concrete pumps must be analyzed on an individual basis. Please allow extra time for an engineering review. Call 630-241-6800 extension 3847 to request an over-weight permit. Superload permits are not issued at the toll booths.

Fees	$35.00	$150.00
2-axle tandems (4 feet to 8 feet)	34,001 pounds to 44,200 pounds	44,201 pounds to 48,000 pounds
3-axle tandems (8 feet)	42,001 pounds to 54,600 pounds	54,601 pounds to 60,000 pounds
3-axle tandems (9 feet)	42,501 pounds to 55,250 pounds	55,251 pounds to 60,000 pounds
3-axle tandems (10 feet)	43,501 pounds to 56,550 pounds	56,551 pounds to 60,000 pounds
Gross Weight 5 or more axles	80,001 pounds 104,000 pounds	104,001 pounds to 120,000 pounds
Superloads	$150.00

Restrictions on Movements for Over-dimension Permits

Monday through Friday - ½ hour before sunrise to ½ hour after sunset
Saturday - ½ hour before sunrise to noon
Sunday - No travel on the Tollway
No movements after noon on the day before a holiday or holiday weekend (listed below)
- New Year's Day
- Memorial Day
- Independence Day
- Labor Day
- Thanksgiving Day
- Christmas Day

Speed Limits for Trucks on the Illinois Tollway

Commercial vehicles weighing more than four tons are permitted to drive 65 mph on the western segments of the Jane Addams Memorial Tollway (I-90) and the Reagan Memorial Tollway (I-88), as well as other designated interstates in Illinois. In addition motor homes, campers and trailers will also be allowed to drive the posted 65 mph speed limit in these areas. Existing 55 mph speed limits will continue to apply to trucks traveling on Illinois interstates in the metropolitan Chicago area including Cook, DuPage, Kane, Will, Lake and McHenry counties.

Illinois Tollway Mainline Plazas

Jane Addams Memorial Tollway (I-90)
Milepost	Toll Plaza Name	Toll Plaza Number
3.5	South Beloit	1
23.5	Belvidere	5
38	Marengo-Hampshire	7
54	Elgin	9
77	Devon Avenue	17
78.5	River Road	19

Tri-State Tollway (I-94/I-294/I-80)
Milepost	Toll Plaza Name	Toll Plaza Number
5	Waukegan	21
26.5	Edens Spur	24
41.5	Touhy Avenue	29
39	Irving Park Road	33
30	Cermak Road (22nd Street)	35
20	82nd Street	36
19.5	83rd Street	39
5.5	163rd Street	41