Regulations last checked for updates: Sep 26, 2021

Title 23 - Highways last revised: Sep 20, 2021
authority: 23 U.S.C. 120(j) and (k), 202, and 315; Section 1119 of the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) (Pub. L. 109-59, 119 Stat. 1144); and 49 CFR 1.48
source: 73 FR 15664, Mar. 25, 2008, unless otherwise noted.