---
kind: "section"
citation: "23 C.F.R. § 658.15"
title: "23"
number: "658.15"
heading: "Width."
url: "https://uscodex.org/cfr/23/658.15"
---

# §658.15. Width.

- (a) No State shall impose a width limitation of more or less than 102 inches, or its approximate metric equivalent, 2.6 meters (102.36 inches) on a vehicle operating on the National Network, except for the State of Hawaii, which is allowed to keep the State's 108-inch width maximum by virtue of [section 416(a)](/cfr/23/416.md?p=a) of the STAA.
- (b) The provisions of [paragraph (a)](#a) of this section do not apply to special mobile equipment as defined in [§ 658.5](/cfr/23/658.5.md).
- (c) Notwithstanding the provisions of this section or any other provision of law, a State may grant special use permits to motor vehicles, including manufactured housing, that exceed 102 inches in width.

## Notes

### Amendments

[49 FR 23315, June 5, 1984, as amended at 59 FR 30419, June 13, 1994; 67 FR 15110, Mar. 29, 2002; 72 FR 7748, Feb. 20, 2007]

### Authority

Authority: 23 U.S.C. 127 and 315; 49 U.S.C. 31111, 31112, and 31114; sec. 347, Pub. L. 108-7, 117 Stat. 419; sec. 756, Pub. L. 109-58, 119 Stat. 829; sec. 1309, Pub. L. 109-59, 119 Stat. 1219; sec. 115, Pub. L. 109-115, 119 Stat. 2408; sec. 5516, Pub. L. 114-94, 129 Stat. 1312, 1557; 49 CFR 1.81(a)(3).

### Source

Source: 49 FR 23315, June 5, 1984, unless otherwise noted.

### Amendments

[49 FR 23315, June 5, 1984, as amended at 59 FR 30419, June 13, 1994; 67 FR 15110, Mar. 29, 2002; 72 FR 7748, Feb. 20, 2007]