Regulations last checked for updates: Sep 26, 2021

Title 23 - Highways last revised: Sep 20, 2021
authority: Section 1201, Pub. L. 109-59; 23 U.S.C. 315; 23 U.S.C. 120; 49 CFR 1.48
source: 75 FR 68427, Nov. 8, 2010, unless otherwise noted.