Your best bet is to contact your local law enforcement agency and they will provide the details for you as each state is different and the laws could be in the process of changing.
the magic number is 4'9"
69
in all states a child has to be 4foot nine to be out of a booster seat. they can be in a booster sear at any age.
10 years
It's usually determined by a child's height, not age. Once they pass 4'5" (in my municipality) they no longer have to ride in a car seat.
In the state of New Jersey:Children under 8 years of age who weigh less than 80 pounds to ride properly secured in a child safety seat or booster seat in the rear seat of the vehicle.Sources:http://nj.gov/lps/hts/childseats/childseats_newlaw.html
the weight to sit in a booster seat is...40 pounds AND the age of 4 years, BUT preferably the child is longer.
A child must be at least 25 kilograms or nine years of age before being able to leave the booster seat
In Illinois, children under the age of 8 must be secured in an appropriate child restraint system, such as a booster seat or car seat. It is recommended that children under the age of 13 always ride in the back seat whenever possible for safety reasons.
In Georgia, a child has to weigh at least 40 pounds to sit in the front seat. If the child is under 8 years of age, he also must be restrained in a car or booster seat in order to ride in the front seat.
The age in which a child can stop using a car seat or booster seat varies from state to state. In Michigan, the child safety seat law says that a child under the age of eight years old must be in a safety seat unless they are taller than 4' 9.
The age that a child should use a car seat booster is when they are 2 years of age. Some kids need to use them a little bit earlier because weight and height has an effect on how earlier the kids need to use the booster seat.
there isnt an age, it depends on the hight of the child :)
Children under the age of 8 must be secured in a car seat or booster seat in the back seat.Children who are 8 years of age OR have reached 4' 9" in height may be secured by a safety belt in the back seat.