; and (B) in consultation with relevant modal administrations, administer the programs described in paragraph (1)(D). (3) Applicability of title 23, United States Code Amounts authorized to be appropriated by paragraph (1) shall— (A) be available for obligation in the same manner as if those funds were apportioned under chapter 1 of title 23, United States Code, except that the Federal share of the cost of a project or activity carried out using those funds shall be 80 percent, unless otherwise expressly provided by this Act (including the amendments by this Act) or otherwise determined by the Secretary; and (B) remain available until expended and not be transferable, except as otherwise provided by this Act. (d) Pilot programs The following amounts are authorized to be appropriated out of the Highway Trust Fund (other than the Mass Transit Account): (1) Wildlife crossings pilot program For the wildlife crossings pilot program under section 174 of title 23, United States Code— (A) $55,000,000 for fiscal year 2021; (B) $60,000,000 for fiscal year 2022; (C) $45,000,000 for fiscal year 2023; (D) $45,000,000 for fiscal year 2024