Regulations last checked for updates: Sep 29, 2023

Title 23 - Highways last revised: Jun 05, 2023
authority: Sec. 1503 of Pub. L. 109–59, 119 Stat. 1144; Sec. 1307 of Pub. L. 105–178, 112 Stat. 107; 23 U.S.C. 101,109,112,113,114,115,119,128,and; 49 CFR 1.48(b)
source: 67 FR 75926, Dec. 10, 2002, unless otherwise noted.