Regulations last checked for updates: Sep 26, 2021

Title 23 - Highways last revised: Sep 20, 2021
authority: 23 U.S.C. 101,109,111,116,123,and; 23 CFR 1.23 and 1.27; 49 CFR 1.48(b); and E.O. 11990, 42 26961 (May 24, 1977)