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Federal regulations · Through 2026-08-25 · Newer source version available

23 CFR 658.15: Width.

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Where this section sits in the code
  1. Title 23—Highways
  2. CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  3. SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS
  4. PART 658—TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS

(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.

Collected 2026-08-27T02:24:50Z. Source file · JSON

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