1. Short title This Act may be cited as the Long Bridge Act of 2020 . 2. Authorization of conveyances (a) Conveyances authorized On request of the Commonwealth of Virginia or the District of Columbia, as applicable, the Secretary of the Interior may, subject to any terms and conditions that the Secretary determines to be necessary, convey to the Commonwealth of Virginia or the District of Columbia, as applicable, any Federal land or interest in Federal land under the jurisdiction of the Secretary that is identified by the Commonwealth of Virginia or the District of Columbia, as applicable, as necessary for the Long Bridge Project. (b) Reversion If any portion of the Federal land or interest in Federal land conveyed under subsection (a) is no longer being used for railroad purposes or recreational use, title to the portion of the Federal land or interest in the portion of the Federal land shall revert to the Secretary, on a determination by the Secretary that the portion of the Federal land has been remediated and restored to a condition determined to be satisfactory by the Secretary. (c) Temporary use The Secretary may allow the temporary use of any Federal land under the jurisdiction of the Secretary that is identified by the Commonwealth of Virginia or the District of Columbia, as applicable, as necessary for the construction of the Long Bridge Project, subject to any terms and conditions determined to be necessary by the Secretary. (d) Recovery of costs Notwithstanding any other provision of law, the Secretary may recover from the Commonwealth of Virginia or the District of Columbia, as applicable, all costs incurred by the Secretary in providing or procuring necessary services associated with a conveyance under subsection (a) or use authorized under subsection (c), with such amounts to remain available to the Secretary until expended, without further appropriation. (e) Definitions In this section: (1) Long Bridge Project The term Long Bridge Project means the project consisting of improvements to the Long