Regulations last checked for updates: Nov 22, 2024

Title 23 - Highways last revised: Jan 01, 1900
Table of Contents

authority: Pub. L. 100-641, 102 Stat. 3335 (1988); 23 U.S.C. 101(a), 104, 105, 109(d), 114(a), 135, 217, 307, 315, and 402(a); 23 CFR 1.32 and 1204.4; and 49 CFR 1.48(b)
source: 56 FR 10329, Mar. 11, 1991, unless otherwise noted.