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Idaho Street Legal Laws

Indiana Street Legal Laws



Illinois Lift Laws and Vehicle Equipment Laws


Illinois completes the triple-crown of suspension modification restrictions: There is a suspension lift limit, a maximum frame height limit and a bumper height limit. Although restricted, suspension lift kits are allowed in Illionis, as are aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards.






Governing Laws

Code

The Illinois Compiled Statutes (ICS) define the street legal laws for the state.

ICS 625-5






Vehicle Dimensions

Dimensions

Vehicle dimensions in Illinois are limited to a width of 102 inches, a height of 13 feet 6 inches, and a single vehicle length of 42 feet.

ICS 625-5-15-102
ICS 625-5-15-103
ICS 625-5-15-107






Tire Restrictions

Tires

Illinois requires that all tires be in safe condition. Tires must not have any exposed cords or bulges. There is a minimum tire tread depth of 1/16 inch. Tires are allowed to be grooved, just not any deeper than the original tread depth.

ICS 625-5-12-405
ICS 625-5-12-402






Wheel Restrictions

Wheels

There are no laws specifically related to wheels found in the Illinois statutes.






Braking Requirements

Brakes

Vehicles driven in Illinois are required to have brakes on all 4 wheels. The brakes must be capable of stopping the vehicle from a speed of 20 mph within 30 feet. A secondary, mechanical, parking brake is also required.

ICS 625-5-12-301






Steering Laws

Steering

Illinois does not have any specific steering related laws.






Suspension Laws

Suspension

A vehicle's suspension cannot be modified so that it causes the vehicle's bumper to be raised or lower more than 3 inches.

ICS 625-5-12-607






Frame Requirements

Frame

The maximum vehicle frame height in Illinois depends on the vehicle's GVWR. The lowest portion of the vehicle's body must not be more than 4 inches above the frame.


Vehicle GVWR

Max. Frame Height

Under 4,500

24 inches

4,501 to 7,500

26 inches

7,501 to 10,000

28 inches


( Measured to the bottom of the frame. )



ICS 625-5-12-607






Bumper Restrictions

Bumpers

Front and rear bumpers are required in Illinois. Bumper heights are limited according to the vehicle's GVWR.


Vehicle GVWR

Max. Bumper Height

Under 4,500

Front: 24 inches | Rear: 26 inches

4,501 to 7,500

Front: 27 inches | Rear: 29 inches

7,501 to 9,000

Front: 28 inches | Rear: 30 inches

Over 9,000

Front: 28 inches | Rear: 30 inches


( Measured to the bottom of the bumper. )



ICS 625-5-12-608






Fender Requirements

Fenders

Mud flaps are required on pickup trucks in Illinois.

ICS 625-5-12-710






Lighting Requirements

Lights

In addition to headlights and tail lights, vehicles in Illinois are allowed to have auxiliary lights. When a vehicle is equipped with extra lighting, no more than 4 front lights can be on at one time while driving.


Light

Number

Min. Height

Max. Height

Headlights

2 min.

n/a

n/a

Tail lights

2 min.

n/a

n/a

Spot lights

1 max.

n/a

n/a

Fog lights

Allowed

n/a

n/a

Aux. driving lights

3 max.

12 inches

42 inches


( Measured to the center of the light. )



ICS 625-5-12-201
ICS 625-5-12-207
ICS 625-5-12-211






Window Laws

Windows

All vehicles are required to have windshields and windshield wipers in Illinois.

ICS 625-12-501
ICS 625-12-503






Exhaust Requirements

Exhaust

Mufflers are required on all vehicles in Illinois. Exhaust cutouts and bypasses are prohibited.

ICS 625-12-602






Engine Swap Rules

Engine

It is unclear whether or not Illinois has any engine swap or engine performance modification rules.






Emissions Testing

Emissions

Several counties in Illinois currently require emissions testing.

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