; and (B) includes individuals who were age 13 or older when their care and placement were the responsibility of a State or Tribal agency that administered a State or Tribal plan under part B or E of title IV of the Social Security Act ( 42 U.S.C. 621 et seq. , 670 et seq.) and who are no longer under the care and responsibility of such a State or Tribal agency, without regard to any such individual’s subsequent adoption, guardianship arrangement, or other form of permanency outcome. (3) Indian Tribe The term Indian Tribe means an Indian tribe, as that term is used in chapter 53 of title 49, United States Code. (4) Low-income individual The term low-income individual means an individual whose family income is at or below 150 percent of the poverty line (as that term is defined in section 673(2) of the Community Services Block Grant Act ( 42 U.S.C. 9902(2) ), including any revision required by that section) for a family of the size involved. (5) Mass transit; public transit; transit The terms mass transit , public transit , and transit mean public transportation. (6) Public transportation The term public transportation — (A) means regular, continuing shared-ride surface transportation services that are open to the general public or open to a segment of the general public defined by age, disability, or low income; and (B) does not include— (i) intercity passenger rail transportation provided by the entity described in chapter 243 of title 49, United States Code (or a successor to that entity); (ii) intercity bus service; (iii) charter bus service; (iv) school bus service; (v) sightseeing service; (vi) courtesy shuttle service for patrons of 1 or more specific establishments