Regulations last checked for updates: Sep 29, 2023

Title 23 - Highways last revised: Jun 05, 2023
§ 657.1 - Purpose.

To prescribe requirements for administering a program of vehicle size and weight enforcement on the Interstate System, and those routes which, prior to October 1, 1991, were designated as part of the Federal-aid primary, Federal-aid secondary, or Federal-aid urban systems, including the required annual certification by the State.

[72 FR 7747, Feb. 20, 2007]
authority: 23 U.S.C. 127,141; 49 U.S.C. 31111,31113; sec. 1023, Pub. L. 102–240, 105 Stat. 1914; and 49 CFR 1.48(b)(19), (b)(23), (c)(1) and (c)(19)
source: 45 FR 52368, Aug. 7, 1980; 62 FR 62261, Nov. 21, 1997, unless otherwise noted.
cite as: 23 CFR 657.1