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Hawaii Street Legal Laws

Illinois Street Legal Laws



Idaho Lift Laws and Vehicle Equipment Laws


There are no suspension lift limits or frame height limits in Idaho. Bumper height is limited to 30 inches for 4x4s under 10,000 lbs. GVWR. As long as drivers keep their bumper heights in check, the install of suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards is legal.

Breaking News: Effective 6/1/10, Canyon County and the city of Kuna within Ada County require emissions testing.






Governing Laws

Code

Idaho details its street legal laws in the Idaho Statutes (IS).

IS Title 49






Vehicle Dimensions

Dimensions

In Idaho, vehicles must be no larger than 102 inches wide, 14 feet tall, or 45 feet long for a single vehicle.

IS 49-1010






Tire Restrictions

Tires

All tires on vehicles driven in Idaho must be safe. There is no listed minimum tire tread depth or restriction on re-grooved tires.






Wheel Restrictions

Wheels

Wheels are not covered in Idaho's laws.






Braking Requirements

Brakes

Vehicles driven in Idaho 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.

IS 49-933






Steering Laws

Steering

Idaho does not have any steering related laws.






Suspension Laws

Suspension

There are no specific suspension laws in Idaho.






Frame Requirements

Frame

To comply with Idaho's street legal laws, a vehicle's frame cannot be lower than the lowest point of the vehicle's wheels.

IS 49-965






Bumper Restrictions

Bumpers

Idaho requires that bumpers be at least 4.5 inches tall. 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 10,000

Front: 28 inches | Rear: 30 inches

Over 10,000

Front: 28 inches | Rear: 30 inches

4x4s under 10,000

Front: 30 inches | Rear: 31 inches


( Measured to the bottom of the bumper. )



IS 49-966






Fender Requirements

Fenders

Fenders and mud flaps are both required in Idaho.

IS 49-949






Lighting Requirements

Lights

In addition to headlights and tail lights, vehicles in Idaho are allowed to have additional lights installed. 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.

24 inches

54 inches

Tail lights

1 min.

20 inches

72 inches

Spot lights

2 max.

n/a

n/a

Fog lights

2 max.

12 inches

30 inches

Aux. passing lights

2 max.

24 inches

42 inches

Aux. driving lights

2 max.

16 inches

42 inches


( Measured to the center of the light. )



IS 49-905
IS 49-906
IS 49-918
IS 49-927






Window Laws

Windows

It is unclear if windshields are required in Idaho. Vehicles with windshields are required to have windshield wipers.

IS 49-943






Exhaust Requirements

Exhaust

In Idaho, vehicles are required to be equipped with mufflers. Exhaust cutouts and bypasses are not allowed to be installed.

IS 49-937






Engine Swap Rules

Engine

Engine modifications and engine swaps are not covered in Idaho's laws.






Emissions Testing

Emissions

Canyon County, Ada County, and the city of Kuna require emissions testing in Idaho.

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