Child restraints — New Jersey Permit Test
Child restraints on the New Jersey permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.
The rules
A child under eight who is shorter than 57 inches must ride in a child restraint or booster seat.
A grown-up belt crosses a small child at the neck and the belly. A booster raises them to where it fits.
Children under age eight who are less than 57 inches (4 feet, 9 inches) tall must ride in either:
A child under two who weighs less than 30 pounds must ride in a rear-facing restraint with a five-point harness.
A small child's neck cannot take a forward stop. Facing backward spreads the load across their whole back.
Children under age two and those who weigh less than 30 pounds must ride in a federally approved rear-facing child passenger restraint system that is equipped with a five-point harness.
A child under eight must be seated in a rear seat, and a rear-facing seat may not go in front of a live passenger airbag.
An airbag opens at the speed of a punch. It hits the back of a rear-facing seat where the baby's head is.
children cannot be secured in a rear-facing child passenger restraint system in a front seat of any motor vehicle that is equipped with a passenger-side airbag that is not disabled or turned off
Breaking the New Jersey child passenger safety law brings a fine of not less than $50 and not more than $75, plus costs.
The fine is small beside the risk. It is there so the rule has a price rather than to raise money.
Failure to comply with this law can subject a person to a fine of not less than $50 nor more than $75
On the test
Which children must ride in a child restraint or booster seat in New Jersey?
Children under 8 who are shorter than 57 inches. A grown-up belt crosses a small child at the neck and the belly. A booster raises them to where it fits. New Jersey Driver Manual, p.42: “Children under age eight who are less than 57 inches (4 feet, 9 inches) tall must ride in either:”
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
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Where these come from
Every rule here is checked against New Jersey Driver Manual, published by the New Jersey Motor Vehicle Commission, and against the state code itself. Last checked 2026-09-15.