The money in the fund, upon appropriation by the Legislature, shall be available, without regard to fiscal years, for acquisition of rights-of-way, capital expenditures, and acquisition of rolling stock for intercity rail, commuter rail, and urban rail transit and for capital improvements which directly support rail transportation, including exclusive busways which are converted within 10 years after completion of construction into rail lines, grade separations to enhance rail passenger service, and multimodal terminals.