Guides
The state pages tell you what your state requires. These explain why the rules take the shape they do, and where states differ in ways that matter for a growing child.
Grandparents' guide to current car seat laws
The rules have moved since your kids were small — later booster ages, later front-seat ages, and fine waivers most grandparents don't know exist. What's changed and how to check your state.
September 23, 2026
Why laws lag recommendations
NHTSA and the AAP recommend rear-facing 'as long as possible' with no age cutoff. Nineteen states don't set a rear-facing rule in statute at all, and thirty-two set no front-seat age. Here's the actual shape of the gap.
September 23, 2026
Booster Seat Laws by Age, Weight, and Height
Every state requires a booster or an equivalent child restraint. The age that requirement ends ranges from 5 to 10, and most states add a height cutoff, weight cutoff, or both.
September 23, 2026
Car seat fines and fine waivers
First-offense car seat fines run from $0 in Delaware to $500 in Nevada, and most states let the fine disappear if you fix the seat — but the condition for that varies more than the fine itself.
September 23, 2026
Car Seats in Uber and Lyft
Only three states' car seat statutes mention rideshare vehicles by name. In the other 48, the law simply doesn't say — which is a different thing from an exemption.
September 23, 2026
Car seats on school buses and transit
Forty-two states exempt buses from their car seat law, but almost none of them name school buses specifically — the exemption usually comes from how the statute defines 'motor vehicle' in the first place.
September 23, 2026
How we verify every state (methodology companion)
A walk through what happens before a number reaches a state page: statute first, a source on every block, a cross-check against IIHS and GHSA, and what 'not addressed in statute' actually means.
September 23, 2026
Medical exemptions
Most states let a physician's statement excuse a child from the standard car seat rule — but South Carolina and Tennessee take a different approach: no exemption, only a different seat.
September 23, 2026
Moving to a New State: Car Seat Rules to Recheck
A booster your child no longer needs in one state can still be required for years in another. What to look up again after a move: booster age, rear-facing rule, front-seat age and taxi rules.
September 23, 2026
Rear-Facing Laws vs. AAP Advice
State rear-facing laws set a minimum age of one or two years in 32 states. The AAP and NHTSA recommend riding rear-facing much longer — until a child outgrows the seat itself.
September 23, 2026
Road-Tripping Across State Lines
Car seat rules are written state by state, and only two states' statutes say anything about vehicles from out of state. Here's what that means for a family driving through several.
September 23, 2026
Seat belt fit test (5-step)
The five-question test that decides whether a child is ready for the adult seat belt alone — and why most states' booster-age numbers are a shorthand for this test, not a replacement for it.
September 23, 2026
Taxis and Car Seats
31 states exempt taxis from the car seat requirement by name. 17 states never address taxis at all, and three — Iowa, Tennessee and Utah — require a seat in a cab, at least in part.
September 23, 2026
Visiting from abroad: US car seat rules
No state's statute carves out an exception for foreign visitors or rental cars. Only Maryland and New York even mention out-of-state vehicles — and both say the requirement reaches them too.
September 23, 2026
What 'Whichever Comes First' Means in Car Seat Laws
Car seat statutes combine age, weight and height limits in different ways — meet any one, meet all of them, or a mix of both. The wording changes what a family actually has to check.
September 23, 2026
When Can My Child Ride in the Front Seat?
19 states set a minimum age for the front seat, from 1 to 13 years, usually with conditions attached. 32 states have no front-seat age in statute at all.
September 23, 2026