Rule Hub · Car SeatsUS child car seat laws, state by state

New Jersey car seat laws

N.J.S.A. 39:3-76.2a · Last checked September 23, 2026

Car seat stages

The statute text comes first. Numbers are a summary for comparison, not a replacement for the law.

Rear-facing seat

Statute text

A child under the age of two years and weighing less than 30 pounds shall be secured in a rear facing child passenger restraint system, which is equipped with a five-point harness.

N.J.S.A. 39:3-76.2a(a). The Legislature's statutes database (lis.njleg.state.nj.us) is the reader-facing official text; it is a session-based search, so the link opens the database rather than the section. The full statutes text archive on pub.njleg.gov is cited as an extra source.

What the law sets

Rear-facing seat required by law
Yes
Rear-facing until age
2 years
Rear-facing until weight
30 lb
Rear-facing until height
Not addressed in statute

Not set in N.J.S.A. 39:3-76.2a.

Leaving rear-facing
Meeting any one listed limit is enough

The rule covers a child who is under two AND under 30 pounds, so reaching either two years or 30 pounds ends it.

Recommended (not law)

NHTSA

Children under age 1 should always ride in a rear-facing car seat. Keep your child rear-facing as long as possible — it's the best way to keep them safe — until they reach the top height or weight limit allowed by the car seat's manufacturer.

NHTSA – Car Seats and Booster Seats

AAP

All infants should ride rear-facing, starting with their first ride home from the hospital, and should continue riding rear-facing as long as possible until they reach the highest weight or height allowed by their car safety seat's manufacturer.

HealthyChildren.org (AAP) – Car Safety Seats: Information for Families

Forward-facing harness seat

Statute text

A child under the age of four years and weighing less than 40 pounds shall be secured: (1) in a rear facing child passenger restraint system, which is equipped with a five-point harness, until the child outgrows the top height or top weight recommendations made by the manufacturer of the child passenger restraint system, at which point the child shall be secured in a rear seat, in a forward facing child passenger restraint system which is equipped with a five-point harness; or (2) in a forward facing child passenger restraint system which is equipped with a five-point harness.

N.J.S.A. 39:3-76.2a(b).

What the law sets

Forward-facing harness required by law
Yes

A five-point harness is required; it may face rear or forward.

Harness until age
4 years
Harness until weight
40 lb
Harness until height
Not addressed in statute

Not set in N.J.S.A. 39:3-76.2a.

Leaving the harness
Meeting any one listed limit is enough

The rule covers a child who is under four AND under 40 pounds, so reaching either four years or 40 pounds ends it.

Recommended (not law)

NHTSA

Once a child outgrows the rear-facing car seat, they are ready for a forward-facing car seat with a harness and tether. Keep the child in the forward-facing seat until they reach the top height or weight limit allowed by the car seat's manufacturer, then move to a booster seat, still in the back seat.

NHTSA – Car Seats and Booster Seats

AAP

Children should use a forward-facing car seat with a harness after outgrowing the rear-facing weight or height limit. It is best for children to ride in a seat with a harness as long as possible, at least to 4 years of age.

HealthyChildren.org (AAP) – Car Safety Seats: Information for Families

Booster seat

Statute text

A child under the age of eight years and less than 57 inches in height shall be secured: (1) in a forward facing child passenger restraint system which is equipped with a five-point harness, until the child outgrows the top height or top weight recommendations made by the manufacturer of the child passenger restraint system, at which point the child shall be secured in a rear seat, in a booster seat; or (2) in a booster seat.

N.J.S.A. 39:3-76.2a(c).

What the law sets

Booster required by law
Yes

A booster seat or a five-point harness seat is required.

Booster until age
8 years
Booster until weight
Not addressed in statute

Not set in N.J.S.A. 39:3-76.2a.

Booster until height
57 in (4 ft 9 in)
Leaving the booster
Meeting any one listed limit is enough

The rule covers a child who is under eight AND under 57 inches, so reaching either ends it.

Recommended (not law)

NHTSA

Keep your child in a booster seat until they are big enough to fit in a seat belt properly — the lap belt lying snugly across the upper thighs (not the stomach) and the shoulder belt snug across the shoulder and chest (not the neck or face).

NHTSA – Car Seats and Booster Seats

AAP

All children whose weight or height exceeds the forward-facing limit for their car safety seat should use a belt-positioning booster seat until the vehicle seat belt fits properly, typically when they have reached 4 feet 9 inches in height and are 8 to 12 years of age.

HealthyChildren.org (AAP) – Car Safety Seats: Information for Families

Seat belt

Statute text

Except as provided in P.L.1983, c.128 (C.39:3-76.2a et al.) for children under eight years of age and less than 57 inches in height, all passengers under eight years of age and at least 57 inches in height, and all passengers who are at least eight years of age but less than 18 years of age, and each driver and front seat passenger of a passenger automobile operated on a street or highway in this State shall wear a properly adjusted and fastened safety seat belt system as defined by Federal Motor Vehicle Safety Standard Number 209.

N.J.S.A. 39:3-76.2f(a).

What the law sets

Seat belt alone from age
8 years
Seat belt alone from height
57 in (4 ft 9 in)
Moving to the seat belt
Meeting any one listed limit is enough

Recommended (not law)

NHTSA

Once a child is big enough to fit in a seat belt properly, they can ride with just the lap-and-shoulder belt, but should still ride in the back seat — NHTSA recommends keeping children in the back seat at least through age 12.

NHTSA – Car Seats and Booster Seats

AAP

Children should transition to the vehicle seat belt once it fits properly, typically at about 4 feet 9 inches in height and 8 to 12 years of age; all children younger than 13 years should ride in the back seat.

HealthyChildren.org (AAP) – Car Safety Seats: Information for Families

Front seat

Many states have no front-seat age in statute. Where that is the case, we say so and cite the section we read.

Front seat — statute text
Every person operating a motor vehicle, other than a school bus, equipped with safety belts or a Lower Anchors and Tethers for Children system (LATCH) who is transporting a child on roadways, streets or highways of this State, shall secure the child in a child passenger restraint system or booster seat, as described in Federal Motor Vehicle Safety Standard Number 213, in a rear seat as follows: ... If there are no rear seats, the child shall be secured in a child passenger restraint system or booster seat in a front seat of a motor vehicle except that no child shall be secured in a rear facing child passenger restraint system in a front seat of any motor vehicle which is equipped with a passenger-side airbag that is not disabled or turned off.

N.J.S.A. 39:3-76.2a, opening paragraph and (d).

Minimum age for the front seat
8 years

The rear-seat rule covers children under eight and under 57 inches; a child of 57 inches or more may ride in front at any age.

Conditions
A child under eight and under 57 inches rides in a rear seat. If the vehicle has no rear seat, the child may ride in front in a restraint, but never rear-facing in front of a passenger-side airbag that is not disabled or turned off.

Penalties

What a car seat ticket costs, and whether showing proof of a proper seat can cancel it.

First offense — fine
$50 – $75

N.J.S.A. 39:3-76.2d: a fine of not less than $50 and not more than $75.

Repeat offense — fine
$50 – $75

N.J.S.A. 39:3-76.2d sets one range for every violation; there is no separate repeat penalty.

License points
None listed

N.J.S.A. 39:3-76.2a to 39:3-76.2d set no points, and the MVC points schedule does not list N.J.S.A. 39:3-76.2a.

Fine waiver
Not addressed in statute

Not set in N.J.S.A. 39:3-76.2a to 39:3-76.2d.

Exemptions

Exempt means the statute excludes it. Silent means the statute does not address it.

Taxis
Not addressed in statute

N.J.S.A. 39:3-76.2a does not address taxis or limousines.

Rideshare (Uber, Lyft)
Not addressed in statute

N.J.S.A. 39:3-76.2a does not address transportation network companies.

Buses
Not addressed in statute

N.J.S.A. 39:3-76.2a excludes school buses; the statute does not address other buses.

Medical exemption
Not addressed in statute

N.J.S.A. 39:3-76.2a has no medical exemption; the physician-verification exception in 39:3-76.2g applies to the seat belt act only.

Out-of-state vehicles
Not addressed in statute

N.J.S.A. 39:3-76.2a does not address nonresident drivers or out-of-state vehicles.

How New Jersey compares

New Jersey is tied for 6th of 47 jurisdictions with a numeric booster age: 33 jurisdictions, including New Jersey, require a booster until age 8.

Compared with Delaware, New York, and Pennsylvania, New Jersey differs on: rear-facing rules (from New York and Pennsylvania), booster rules (from Delaware, New York, and Pennsylvania), and front-seat rules (from Delaware, New York, and Pennsylvania).

Law compared with the AAP recommendation

  • New Jersey law: a rear-facing seat is required until the child reaches age 2 or 30 lb, whichever comes first. AAP recommends: All infants should ride rear-facing, starting with their first ride home from the hospital, and should continue riding rear-facing as long as possible until they reach the highest weight or height allowed by their car safety seat's manufacturer.
  • New Jersey law: a forward-facing harness seat is required until the child reaches age 4 or 40 lb, whichever comes first. AAP recommends: Children should use a forward-facing car seat with a harness after outgrowing the rear-facing weight or height limit. It is best for children to ride in a seat with a harness as long as possible, at least to 4 years of age.
  • New Jersey law: a booster seat is required until the child reaches age 8 or 57 in, whichever comes first. AAP recommends: All children whose weight or height exceeds the forward-facing limit for their car safety seat should use a belt-positioning booster seat until the vehicle seat belt fits properly, typically when they have reached 4 feet 9 inches in height and are 8 to 12 years of age.
  • New Jersey law: a child may use the seat belt alone once reaching age 8 or 57 in, whichever comes first. AAP recommends: Children should transition to the vehicle seat belt once it fits properly, typically at about 4 feet 9 inches in height and 8 to 12 years of age; all children younger than 13 years should ride in the back seat.

See every state side by side on the comparison pages.

Guides covering New Jersey

Sources

State law comes from the statute or state agency below. Recommendations come from NHTSA and the American Academy of Pediatrics. The responsible agency is New Jersey Division of Highway Traffic Safety.

State law

Recommendations

Disclaimer

This page summarizes New Jersey law for reference. It is not legal or medical advice. The statute text is the law; the numbers are our summary of it. Legal minimums are not safety recommendations: NHTSA and the AAP recommend keeping a child in each stage for as long as the seat allows. Check the statute or New Jersey Division of Highway Traffic Safety before relying on anything here.