Maine Street Legal Laws

Massachusetts Street Legal Laws

Maryland Lift Laws and Vehicle Equipment Laws

Maryland has a bumper and frame height restriction of 20 inches for cars and SUVs and a 28 inch limit for trucks. On the positive side, there are no suspension modification laws or tire size restrictions. So long as frame height is kept within the legal limit, drivers are allowed to install suspension lift kits, aftermarket wheels and tires, performance shocks, aftermarket bumpers, and grille guards.

Governing Laws


The Maryland Code (MC) covers the street legal laws for the state.

MC T-22

Vehicle Dimensions


The maximum size for a vehicle in Maryland is 102 inches wide, 13 feet 6 inches tall, and 45 feet long for a single vehicle.

MC T-24-102
MC T-24-104

Tire Restrictions


Tires must be in safe operating condition, without any bulges or exposed cords. Maryland has a listed minimum tire tread depth of 1/16 inch. Only tires that are designed for grooving can be grooved.

MC T-22-405

Wheel Restrictions


Maryland's code makes no reference to wheels.

Braking Requirements


All vehicles in Maryland must have brakes on all 4 wheels that are capable of stopping the vehicle from a speed of 20 mph within 25 feet. A secondary, mechanical, parking brake is also required.

MC T-22-301
MC T-22-302

Steering Laws


Maryland does not have any rules for a vehicle's steering system.

Suspension Laws


There are no suspension laws in Maryland.

Frame Requirements


Maryland has a 20 inch maximum frame height for passenger vehicles (Class A) and a maximum frame height of 28 inches for multipurpose vehicles (Class M).

( Measured to the bottom of the frame. )

MC T-22-105

Bumper Restrictions


The maximum bumper height is 20 inches for passenger vehicles (Class A) and 28 inches for multipurpose vehicles (Class M) in Maryland.

( Measured to the bottom of the bumper. )

MC T-22-105

Fender Requirements


Maryland only requires fenders and mud flaps on commercial vehicles.

MC T-22-413

Lighting Requirements


In addition to headlights and tail lights, vehicles in Maryland are allowed to have auxiliary lighting. A limit of 4 lights can be turned on at the front of the vehicle at any time while driving.



Min. Height

Max. Height


2 min.

24 inches

54 inches

Tail lights

2 min.

20 inches

72 inches

Spot lights

1 max.



Fog lights

2 max.

12 inches

30 inches

Aux. driving lights

1 max.

16 inches

42 inches

( Measured to the center of the light. )

MC T-22-203
MC T-22-204
MC T-22-217
MC T-22-226

Window Laws


Maryland's code does not specifically state that windshields are required. Vehicles that are equipped with windshields must also have windshield wipers.

MC T-22404

Exhaust Requirements


In Maryland, vehicles are required to be equipped with mufflers. It is unlawful to install any kind of exhaust cutout or bypass.

MC T-22-402

Engine Swap Rules


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

Emissions Testing


Maryland currently requires emissions testing in several counties.

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