Section, Pub. L. 103–272, § 1(d), July 5, 1994, 108 Stat. 826; Pub. L. 103–429, § 6(11), Oct. 31, 1994, 108 Stat. 4379; Pub. L. 105–178, title III, § 3023(a), (b), June 9, 1998, 112 Stat. 364, related to turnkey system projects, acquisition of rolling stock, and procurement of associated capital maintenance items.