45 CFR 1310.15 - Operation of vehicles.
Each agency providing transportation services, either directly or through an arrangement with another organization or an individual, to children enrolled in its program must ensure that:
(a) Effective October 1, 2006, on a vehicle equipped for use of such devices, any child enrolled in a Head Start or Early Head Start program is seated in a child restraint system appropriate to the child's height and weight while the vehicle is in motion.
(b) Baggage and other items transported in the passenger compartment are properly stored and secured and the aisles remain clear and the doors and emergency exits remain unobstructed at all times.
(c) Effective June 21, 2004, there is at least one bus monitor on board at all times, with additional bus monitors provided as necessary, such as when needed to accommodate the needs of children with disabilities. As provided in 45 CFR 1310.2(a), this paragraph does not apply to transportation services to children served under the home-based option for Head Start and Early Head Start.
(d) Except for bus monitors who are assisting children, all vehicle occupants must be seated and wearing height- and weight- appropriate safety restraints while the vehicle is in motion.