public mass transportation systems. Consistent with the terms of the amendment to the Compact, or any future amendments to such Compact, any funds so provided shall be solely from undistributed cash surpluses, replacement or depreciation funds of reserves available in cash, or new capital. (c) Applicability of requirements for mass transportation capital projects receiving funds under federal transportation law Except as specifically provided in this section, the use of any amounts appropriated pursuant to the authorization under this section shall be subject to the requirements applicable to capital projects for which funds are provided under chapter 53 of title 49, United States Code, except to the extent the Secretary determines that the requirements are inconsistent with this Act, its purposes, or any subsequent rules of guidance issued pursuant to this Act. (d) Amount and requirement for first period (1) Amount There is authorized to be appropriated to the Secretary of Transportation for grants under this section $500,000,000 to be available in increments over 5 fiscal years beginning in fiscal year 2020, or until expended. (2) Requirements The Secretary may not award a grant authorized under this subsection unless the Secretary certifies, on an annual basis, that the Transit Authority is making progress toward goals and metrics for system performance established by the Secretary in collaboration with the signatories to the Compact on safety, reliability, and operation costs as measured by vehicle revenue hours. (e) Amount and requirement for second period (1) Amount There is authorized to be appropriated to the Secretary of Transportation for grants under this section $1,500,000,000 to be available in increments over 15 fiscal years beginning in fiscal year 2025, or until expended. (2) Requirements The Secretary may not award a grant authorized under this subsection unless the Secretary certifies, on an annual basis, that— (A) the Transit Authority is making progress toward goals and metrics for system