1. Short title This Act may be cited as the WMATA Improvement Act of 2017 . 2. Authorization of grants (a) In general Subject to the requirements of section 3, the Secretary of Transportation may provide grants to the Transit Authority, in addition to any grant amounts provided pursuant to section 601 of the Passenger Rail Investment and Improvement Act of 2008 ( Public Law 110–432 ; 126 Stat. 4968), in an amount not to exceed $75,000,000 for each of fiscal years 2018 through 2028 for the purpose of financing capital and preventive maintenance projects approved by the Board of Directors of the Transit Authority. (b) Matching funds required The Federal share of the cost of a project carried out using grant amounts provided under subsection (a) shall not exceed 50 percent of the cost of such project. The non-Federal share of the cost of such project shall be borne equally by the District of Columbia, the Commonwealth of Virginia, and the State of Maryland. (c) Limitations (1) Terms and conditions Any grant provided under this section shall be subject to the requirements of subsections (b) and (c) of section 601 of the Passenger Rail Investment and Improvement Act of 2008 ( Public Law 110–432 ; 126 Stat. 4968). (2) Collective bargaining agreement amendments (A) In general No grants may be provided under this section until the Board of Directors of the Transit Authority, as such Board is composed pursuant to the amendments under section 3, certifies that amendments have been made to any existing collective bargaining agreement between the Transit Authority and a collective bargaining unit to allow the Transit Authority to implement all necessary operational changes required both to provide a high level of service, reliability, and safety as well as lower costs by selectively using competitive bidding for certain capital improvement projects. (B) Application of laws Any agreement described under subparagraph (A) shall comply with the requirements of— (i) section 5333(b) of title 49, United States Code