---
kind: "section"
citation: "23 C.F.R. § 657.1"
title: "23"
number: "657.1"
heading: "Purpose."
url: "https://uscodex.org/cfr/23/657.1"
---

# §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.


## Notes

### Amendments

[72 FR 7747, Feb. 20, 2007]

### Authority

Authority: 23 U.S.C. 127, 141 and 315; 49 U.S.C. 31111, 31113 and 31114; sec. 1023, Pub. L. 102-240, 105 Stat. 1914; and 49 CFR 1.48(b)(19), (b)(23), (c)(1) and (c)(19).

### Source

Source: 45 FR 52368, Aug. 7, 1980; 62 FR 62261, Nov. 21, 1997, unless otherwise noted.

### Amendments

[72 FR 7747, Feb. 20, 2007]