Alaska – Helmet required for riders 17 and younger

Arizona – Helmet required for riders 17 and younger

Arkansas - Helmet required for riders 20 and younger

California – Helmet required for all riders

Colorado – Helmet required for riders 17 and younger and their passengers 17 and younger

Connecticut - Helmet required for riders 17 and younger

Delaware - Helmet required for riders 18 and younger

District of Columbia - Helmet required for all riders

Florida - Helmet required for riders 20 and younger

Georgia - Helmet required for all riders

Hawaii - Helmet required for riders 17 and younger

Idaho - Helmet required for riders 17 and younger

Illinois  - Helmet not required

Indiana - Helmet required for riders 17 and younger

Iowa - Helmet not required

Kansas - Helmet required for riders 17 and younger

Kentucky - Helmet required for riders 20 and younger

Louisiana - Helmet required for all riders

Maine - Helmet required for riders 17 and younger (effective 90 days after legislature adjourns)

Maryland - Helmet required for all riders

Massachusetts - Helmet required for all riders

Michigan - Helmet required for all riders

Minnesota - Helmet required for riders 17 and younger

Mississippi - Helmet required for all riders

Missouri - Helmet required for all riders

Montana - Helmet required for riders 17 and younger

Nebraska - Helmet required for all riders

Nevada - Helmet required for all riders

New Hampshire - Helmet not required

New Jersey - Helmet required for all riders

New Mexico - Helmet required for riders 17 and younger

New York - Helmet required for all riders

North Carolina - Helmet required for all riders

North Dakota - Helmet required for riders 17 and younger

Ohio - Helmet required for riders 17 and younger

Oklahoma - Helmet required for riders 17 and younger

Oregon - Helmet required for all riders

Pennsylvania - Helmet required for riders 20 and younger

Rhode Island - Helmet required for riders 20 and younger

South Carolina - Helmet required for riders 20 and younger

South Dakota - Helmet required for riders 17 and younger

Tennessee - Helmet required for all riders

Texas - Helmet required for riders 20 and younger

Utah - Helmet required for riders 17 and younger

Vermont - Helmet required for all riders

Virginia - Helmet required for all riders

Washington - Helmet required for all riders

West Virginia - Helmet required for all riders

Wisconsin - Helmet required for riders 17 and younger

Wyoming - Helmet required for riders 17 and younger