Transit in Parks (TRIP) Act

Transit in Parks (TRIP) Act - Amends Federal transportation law to direct the Secretary of Transportation to develop a cooperative relationship with the Secretary of the Interior providing for: (1) the exchange of technical assistance; (2) interagency and multidisciplinary teams to develop Federal land management agency (the National Park Service, the United States Fish and Wildlife Service, or the Bureau of Land Management) transportation policy, procedures, and coordination; and (3) the development of procedures and criteria relating to the planning, selection, and funding of qualified mass transportation projects carried out within or adjacent to national parks and related public lands, and implementation and oversight of the project plan in accordance with this Act. Authorizes the Secretary to pay the Government's share (as the Secretary determines it) to any qualified participant that carries out any part of such a project without assistance under this Act.

Lists Grand Canyon National Park, Zion National Park, Yosemite National Park, and Acadia National Park as locations that may be included in the initial projects.

Makes any such project eligible for funding through a State Infrastructure Bank or other innovative financing mechanism otherwise available.

Authorizes appropriations.