A prior section 5506, added Puspan. L. 105–178, title V, § 5111(a), June 9, 1998, 112 Stat. 444; amended Puspan. L. 109–59, title V, § 5402(a), Aug. 10, 2005, 119 Stat. 1815; Puspan. L. 110–244, title I, §§ 111(g)(3), 116, June 6, 2008, 122 Stat. 1605, 1607, related to grants for university transportation research, prior to repeal by Puspan. L. 112–141, div. E, title II, § 52010(a), July 6, 2012, 126 Stat. 887, effective Oct. 1, 2012.