; and (ii) offers rides available to the public. (B) Inclusions The term transportation connector includes microtransits, bus lines, bus rails, light rail, rapid transits, or personal rapid transits. (7) Urban area The term urban area means a community that— (A) is densely developed; (B) has residential, commercial, and other nonresidential areas; and (C) (i) is an urbanized area with a population of 50,000 or more; or (ii) is an urban cluster with a population of— (I) not less than 2,500; and (II) not more than 50,000. (b) Grant program (1) Establishment The Secretary shall establish a grant program, to be known as the Transit to Trails Grant Program , under which the Secretary shall award grants to eligible entities for— (A) projects that develop transportation connectors or routes in or serving, and related education materials for, critically underserved communities to increase access and mobility to Federal or non-Federal public land, waters, parkland, or monuments