Connecticut’s child passenger safety law sets specific age, weight, and height thresholds for car seats and boosters. This guide lays out the current requirements as published by the official Connecticut General Assembly, Office of Legislative Research, plus penalties, front-seat rules, and answers to the questions parents ask most.
Law data last verified against official state sources: October 4, 2026.
Quick answer
Connecticut requires rear-facing under age 2 or under 30 lbs, a harnessed seat for ages 2–4 (or 30–39 lbs), a booster for ages 5–7 (or 40–59 lbs), and a restraint or belt for ages 8–15 at 60+ lbs — always applying whichever of age/weight is more restrictive.
Connecticut car seat requirements by age and size
| Stage | What Connecticut law requires |
|---|---|
| Rear-facing | Under age 2 OR less than 30 pounds (regardless of age) → rear-facing child restraint. If age and weight fall in two different categories, the more restrictive requirement applies. |
| Forward-facing | Ages 2 through 4 OR 30–39 pounds → rear- or forward-facing child restraint (with five-point harness). |
| Booster seat | Ages 5 through 7 OR 40–59 pounds → rear- or forward-facing child restraint or a booster seat secured by a lap-and-shoulder seat belt. |
| Seat belt only | Ages 8 through 15 AND weighing 60 pounds or more → child restraint or seat belt. |
Fines and penalties in Connecticut
Fine: First violation = infraction; second violation = fine of up to $199; each subsequent violation = class A misdemeanor. The DMV commissioner must require first/second violators to attend a DMV-approved child car seat safety course.
Front seat rules in Connecticut
Front-seat rule: No general front-seat age ban; placing a child in a rear-facing car seat in the front passenger seat is prohibited if that side has a functional airbag.
The official law
- Statute: Conn. Gen. Stat. § 14-100a (as amended by PA 17-230, eff. 10/1/2017)
- Official source: Connecticut General Assembly, Office of Legislative Research
Research note: If age and weight fall in two different categories, the more restrictive requirement applies.
Connecticut car seat law FAQs
What is the fine for a car seat violation in Connecticut?
Fine: First violation = infraction; second violation = fine of up to $199; each subsequent violation = class A misdemeanor. The DMV commissioner must require first/second violators to attend a DMV-approved child car seat safety course.
When can my child stop using a booster seat in Connecticut?
Ages 5 through 7 OR 40–59 pounds → rear- or forward-facing child restraint or a booster seat secured by a lap-and-shoulder seat belt. Ages 8 through 15 AND weighing 60 pounds or more → child restraint or seat belt.
Does Connecticut law require rear-facing car seats?
Under age 2 OR less than 30 pounds (regardless of age) → rear-facing child restraint. If age and weight fall in two different categories, the more restrictive requirement applies.
Can my child ride in the front seat in Connecticut?
Front-seat rule: No general front-seat age ban; placing a child in a rear-facing car seat in the front passenger seat is prohibited if that side has a functional airbag.
Where can I read the official Connecticut car seat law?
Statute: Conn. Gen. Stat. § 14-100a (as amended by PA 17-230, eff. 10/1/2017) Official source: Connecticut General Assembly, Office of Legislative Research.
Check another state
Driving across state lines? Requirements change at the border — use our interactive car seat law checker to look up any state by your child’s age, weight, and height.
Related state guides:
This page is for general informational purposes only and is not legal advice. Child passenger safety laws change — always verify current requirements with your state’s DMV, highway safety office, or the official statute linked below before making decisions.