All unaccompanied children shall be charged full fare. Child tickets are offered to/from Logan Airport. Children under 12 will be charged a reduced rate when accompanied by an adult (18 years of age or older).   When purchasing a child ticket, an adult ticket must be purchased at the same time; child tickets cannot be purchased standalone. Unaccompanied children will be charged the adult fare. Bus operators reserve the right to verify the child's age upon boarding the bus.   Car seats are not required by law for infants/children however insurance carriers strongly recommend there use.