Car Seat Laws by State (2026)

Child car seat and booster seat laws for all 50 U.S. states — each guide lists the age and size thresholds, fines, front-seat rules, the statute, and a link to the official state source. Law data last verified October 4, 2026.

Informational only — not legal advice. Always verify current requirements with your state’s DMV or highway safety office.

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