Child Passenger Safety Laws: Missouri

Child Restraint Required

Under 4 yrs or under 40 lbs in child safety seat
4-7 yrs and 40-80 lbs and 4'9" or shorter in child safety seat or booster seat
At least 80 lbs or taller than 4'9" in booster seat or safety belt

Adult Safety Belt Permissible

At least 8 yrs and 80 lbs or taller than 4'9" 

State
Missouri
Issue
Child Passenger Safety
Determinations
Child Restraint Required

Under 4 yrs or under 40 lbs in child safety seat
4-7 yrs and 40-80 lbs and 4'9" or shorter in child safety seat or booster seat
At least 80 lbs or taller than 4'9" in booster seat or safety belt

Adult Safety Belt Permissible

At least 8 yrs and 80 lbs or taller than 4'9"