PUBLIC LAW 102-143—OCT. 28, 1991 105 STAT. 935 DISCRETIONARY GRANTS (LIMITATION ON OBLIGATIONS) (HIGHWAY TRUST FUND) None of the funds in this Act shall be available for the implementation or execution of programs in excess of $1,900,000,000 in fiscal year 1992 for grants under the contract authority authorized in section 21 of the Urban Mass Transportation Act of 1964, as amended (49 U.S.C. 1601 et seq.). DISCRETIONARY GRANTS None of the funds provided in fiscal year 1992 to carry out the provisions of section 3 of the Urban Mass Transportation Act of 1964, as amended (49 U.S.C. 1601 et seq.) shall be used for the study, design, engineering, construction or other activities related to the monorail segment of the Houston metro program. MASS TRANSIT CAPITAL FUND (UQUIDATION OF CONTRACT AUTHORIZATION) (HIGHWAY TRUST FUND) For payment of obligations incurred in carrying out section 21 of the Urban Mass Transportation Act of 1964, as amended (49 U.S.C. 1601 et seq.), administered by the Urban Mass Transportation Administration, $1,500,000,000, to be derived from the Highway Trust Fund and to remain available until expended. INTERSTATE TRANSFER GRANTS—TRANSIT For necessary expenses to carry out the provisions of 23 U.S.C. 103(e)(4) related to transit projects, $160,000,000, to remain available until expended. WASHINGTON METRO For necessary expenses to carry out the provisions of section 14 of Public Law 96-184 and Public Law 101-551, $124,000,000, to remain available until expended. SAINT LAWRENCE SEAWAY DEVELOPMENT CORPORATION The Saint Lawrence Seaway Development Corporation is hereby authorized to make such expenditures, within the limits of funds and borrowing authority available to the Corporation, and in accord with law, and to make such contracts and commitments without regard to fiscal year limitations as provided by section 104 of the Government Corporation Control Act, as amended, as may be necessary in carrying out the programs set forth in the Corporation's budget for the current fiscal year.