Bus operators will often find it economical to convert retired buses to use as permanent training buses for driver training, rather than taking a regular service bus out of use. Some large operators also converted retired buses into tow bus vehicles, to act as tow trucks.
Explain to an 8 year old child that is not yet 49 tall that the safety equipment built into the vehicle is for adults  not children, and a child needs to continue to use the proper equipment (booster seat) so that the adult equipment will fit, and be able to protect, their bodies in the event of a crash.
A âAlthough a child who is age 8 or more is not specifically required to ride in a booster, the law requires. proper use of safety belts. Most children are not tall enough until about age 10-12 for vehicle belts to fit. properly without a booster.