; or (B) projects that facilitate transportation improvements to enhance access to Federal or non-Federal public land and recreational opportunities in critically underserved communities. (2) Administration (A) In general The Secretary shall administer the program to assist eligible entities in the development of transportation connectors or routes in or serving, and related education materials for, critically underserved communities and Federal or non-Federal public land, waters, parkland, and monuments. (B) Joint partnerships The Secretary shall encourage joint partnership projects under the program, if available, among multiple agencies, including school districts, nonprofit organizations, metropolitan planning organizations, regional transportation authorities, transit agencies, and State and local governmental agencies (including park and recreation agencies and authorities) to enhance investment of public sources. (C) Annual grant project proposal solicitation, review, and approval (i) In general The Secretary shall— (I) annually solicit the submission of project proposals for grants from eligible entities under the program; and (II) review each project proposal submitted under subclause (I) on a timeline established by the Secretary. (ii) Required elements for project proposal A project proposal submitted under clause (i)(I) shall include— (I) a statement of the purposes of the project; (II) the name of the entity or individual with overall responsibility for the project; (III) a description of the qualifications of the entity or individuals identified under subclause (II); (IV) a description of— (aa) staffing and stakeholder engagement for the project; (bb) the logistics of the project; and (cc) anticipated outcomes of the project; (V) a proposed budget for the funds and time required to complete the project; (VI) information regarding the source and amount of matching funding available for the project