Regulations last checked for updates: Nov 21, 2024

Title 23 - Highways last revised: Jan 01, 1900
authority: 23 U.S.C. 120(j) and (k), 202, and 315; 49 CFR 1.81, 1.84, 1.85; 23 CFR part 490, subpart D
source: 89 FR 57082, July 12, 2024, unless otherwise noted.