Utah Car Seat and Booster Seat Laws

Short answer: Utah requires every child younger than eight to ride in a child restraint device, meaning a car seat or booster used the way its manufacturer directs, unless the child is already 57 inches tall. From age eight, the driver must make sure the child wears a properly adjusted and fastened seat belt, and a violation is an infraction with a fine of up to $45.

Parents usually look this up at one of two moments: when a child is about to outgrow a seat, or after a crash. This guide covers both, starting with what the statute actually says.

What the Law Requires, by Age

Utah’s rules are in the Motor Vehicle Safety Belt Usage Act, and the core of it is one section (Utah Code 41-6a-1803). The duty falls on the driver.

• Younger than eight: the driver must restrain the child in a child restraint device, used in the manner prescribed by the device’s manufacturer.
• Younger than eight but 57 inches or taller: the child is exempt from the car seat requirement, but must wear a properly adjusted and fastened safety belt.
• Eight and older: the driver must make sure the child is secured with a properly adjusted and fastened safety belt.
• 16 and older: every passenger is personally required to wear a properly adjusted and fastened safety belt.

Notice what the statute does not do. It does not set its own ages for rear-facing seats, harness weights or when to move to a booster. It defers to the manufacturer of the seat you are using, and a “child restraint device” must meet the safety standards Utah has adopted (Utah Code 41-6a-1802). In practice, the label and manual on your child’s seat are part of the legal requirement. Read them, and follow the height and weight limits printed there.

Uber, Lyft and Taxis

The rule follows the child into a rideshare or a cab. When an adult passenger uses a rideshare service or a taxicab, the adult must provide a child restraint device for each child younger than eight in their care, and a properly fastened seat belt for each older child (Utah Code 41-6a-1803(1)(c)). The driver of the rideshare is not responsible for bringing the seat. If you travel with young children, plan to bring your own.

The Exceptions

The exceptions are narrow (Utah Code 41-6a-1804). The seat belt and child restraint rules do not apply to:

• a vehicle manufactured before July 1, 1966;
• a person with a written verification from a licensed physician or physician assistant that they cannot wear a safety belt for physical or medical reasons;
• a vehicle or seating position that federal law does not require to have a safety belt;
• a passenger when every seating position is already occupied; and
• a passenger on a public transit vehicle with a gross vehicle weight rating over 10,000 pounds.

The Penalty

A violation is an infraction with a maximum fine of $45 (Utah Code 41-6a-1805). For a first violation of the car seat requirement, the court must waive the whole fine if you show proof that you acquired, rented or bought a child restraint device. No points go on your driving record, and if more than one child is unrestrained it counts as a single offense with a single citation.

If Your Child Is Hurt in a Crash

Parents often worry that an insurer will blame them for how a child was buckled in. Utah law closes that door. The failure to use a child restraint device or wear a safety belt “does not constitute contributory or comparative negligence on the part of a person seeking recovery for injuries,” and it “may not be introduced as evidence in any civil litigation on the issue of negligence, injuries, or the mitigation of damages” (Utah Code 41-6a-1806). A traffic ticket is a separate matter; the injury claim is decided on who caused the crash.

Utah is a no-fault state for the first layer of medical bills. Personal injury protection coverage pays at least $3,000 in medical expenses for an injured occupant regardless of who was at fault (Utah Code 31A-22-307). A claim against the at-fault driver opens up once the injury crosses Utah’s threshold, which includes a bone fracture, permanent impairment or disfigurement, or medical expenses over $3,000 (Utah Code 31A-22-309). We walk through the whole sequence in the steps in a Utah personal injury case.

A few practical steps after a crash:

1. Have your child checked by a doctor, even if they seem fine. Children often cannot describe what hurts.
2. Photograph the car seat as it was installed, then check its manual. Many manufacturers say to replace a seat after a crash, and the cost of a replacement can be part of the claim.
3. Keep the old seat until the claim is documented. It is evidence.

Talk to a Utah Car Accident Attorney

When a child is hurt, the claim has to account for a long recovery and care that may not be finished for years. Our Salt Lake City car accident attorneys represent families across Utah.

Hurt in Utah? Contact West Injury Law for a free case review. No attorney fees unless we win. Hablamos Español.