Regulations last checked for updates: Nov 22, 2024

Title 23 - Highways last revised: Jan 01, 1900
Table of Contents

authority: 23 U.S.C. 127 and 315; 49 U.S.C. 31111,31112,and; sec. 347, Pub. L. 108-7, 117 Stat. 419; sec. 756, Pub. L. 109-58, 119 Stat. 829; sec. 1309, Pub. L. 109-59, 119 Stat. 1219; sec. 115, Pub. L. 109-115, 119 Stat. 2408; sec. 5516, Pub. L. 114-94, 129 Stat. 1312, 1557; 49 CFR 1.81(a)(3)
source: 49 FR 23315, June 5, 1984, unless otherwise noted.