A "primary enforcement law" is one that regards seat belt use as a primary infraction, and officers can stop and ticket motorists for not wearing their seat belts. A "secondary enforcement law" is one that is secondary to another infraction, and officers can ticket motorists for not wearing their seat belts only if stopped for another offense. Motorists therefore cannot be pulled over in secondary states if observed not wearing their seat belts; they must be ticketed for speeding or some other violation first.

Arizona

Colorado

Idaho

Massachusetts

Missouri

Montana

Nebraska

New Hampshire*

Nevada

North Dakota

Ohio

Pennsylvania

Rhode Island

South Dakota

Utah

Vermont

Virginia

West Virginia

Wyoming

*New Hampshire is the only state that does not have either a primary or secondary seat belt law.