The date of enactment of this subparagraph, referred to in subsec. (d)(2), is the date of enactment of Pub. L. 109–59, which was approved Aug. 10, 2005.

The date of enactment of the SAFETEA–LU, referred to in subsec. (e)(3), is the date of enactment of Pub. L. 109–59, which was approved Aug. 10, 2005.

2005—Pub. L. 109–59 amended section catchline and text generally, substituting provisions relating to State traffic safety information system improvements for provisions relating to alcohol traffic safety programs.

1987—Subsec. (c). Pub. L. 100–17, § 203(a), substituted “5” for “three” in introductory provisions and “third, fourth, and fifth fiscal years” for “third fiscal year” in par. (3).

Subsec. (g). Pub. L. 100–17, § 203(b), inserted “and except that sums authorized by this subsection shall remain available until expended” before period at end of second sentence.

1984—Subsec. (a). Pub. L. 98–363, §§ 4(a), 7 (a), struck out “basic and supplemental” after “Secretary shall make” and inserted “or a controlled substance” after “alcohol”.

Subsec. (c)(1). Pub. L. 98–363, § 4(b), inserted “and controlled substance” after “alcohol”.

Subsec. (d)(3). Pub. L. 98–363, § 7(b), added par. (3).

Subsec. (e)(3). Pub. L. 98–363, § 7(c), added par. (3).

Subsec. (f)(8). Pub. L. 98–363, § 4(c), added par. (8).

Amendment by Pub. L. 109–59 effective Oct. 1, 2005, see section 2022 of Pub. L. 109–59, set out as a note under section 402 of this title.

Pub. L. 104–59, title III, § 358(d), Nov. 28, 1995, 109 Stat. 626, required the Secretary to conduct a study to evaluate the effectiveness of certain State laws on reducing drunk driving.

Pub. L. 97–364, title I, § 101(c), Oct. 25, 1982, 96 Stat. 1740, required the Secretary of Transportation, before Feb. 1, 1983, to issue regulations to implement this section.