Regulations last checked for updates: Apr 17, 2024

Title 23 - Highways last revised: Jan 18, 2024
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.