Regulations last checked for updates: Apr 25, 2024

Title 23 - Highways last revised: Jan 18, 2024
§ 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) of the STAA.

(b) The provisions of paragraph (a) of this section do not apply to special mobile equipment as defined in § 658.5.

(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.

[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: 23 U.S.C. 127 and 315; 49 U.S.C. 31111,31112,and; 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: 49 FR 23315, June 5, 1984, unless otherwise noted.
cite as: 23 CFR 658.15