23 C.F.R. § 658.15 Width.
Title 23 - Highways
(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, the following are applicable: (1) A State may grant special use permits to motor vehicles, including manufactured housing, that exceed 102 inches in width; and (2) A State may allow recreational vehicles with safety and/or non-cargo carrying appurtenances extending beyond 3 inches from the side of the vehicle to operate without a special use over-width permit. [49 FR 23315, June 5, 1984, as amended at 59 FR 30419, June 13, 1994; 67 FR 15110, Mar. 29, 2002; 69 FR 11996, Mar. 12, 2004]
Title 23: Highways
PART 658—TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS
§ 658.15 Width.
