A driver is responsible for ensuring that any child under the age of eight and shorter than ____ be seated in a federally-approved child passenger safety device system while in a moving vehicle.

Maryland law requires children who are under the age of eight and less than 4 feet, 9 inches in height to be seated in federally-approved child safety seats while in moving vehicles. The driver of a vehicle transporting child passengers is responsible for their safety.
DMV Writen Test