Vermont § 1391 - Tire and axle limits

§ 1391. Tire and axle limits

• (a) Except as otherwise provided in this chapter, a person or corporation shall not operate
  or cause to be operated a tractor, trailer, semi-trailer, motor truck, or any other
  motor vehicle without sufficient weight maintained upon the front axle of such vehicle
  to make such vehicle safe in operation, nor shall the maximum load on any axle of
  such vehicle exceed a gross weight of more than 600 pounds per inch of tire width
  computed in conformity with the manufacturer’s designated width. (b) No single axle load shall be in excess of 22,400 pounds and a 10 percent tolerance
  shall be allowed on each single axle load, nor shall any tandem axle load be in excess
  of 36,000 pounds, with a 10 percent tolerance allowed, except in the case of such
  vehicles owned by persons to whom special permits shall be issued in accordance with
  the provisions of section 1400 of this title. (c) Unless federal law authorizes the axle load limits, tolerances, or both, provided
  for in subsection (b) of this section to apply on those highways designated as the
  Dwight D. Eisenhower National System of Interstate and Defense Highways, no single
  axle load on those highways shall be in excess of 20,000 pounds with no tolerance
  allowed, nor shall any tandem axle load be in excess of 34,000 pounds, with no tolerance
  allowed, except in the case of vehicles owned by persons to whom special permits have
  been issued in accordance with section 1400 of this title. (Amended 1963, No. 206, § 4; 1964, No. 4 (Sp. Sess.), eff. Feb. 27, 1964; 1971, No. 226 (Adj. Sess.), § 6; 1977, No. 41, § 1, eff. April 19, 1977; 1983, No. 86, § 1; 1991, No. 72, § 4; 2009, No. 63 (Adj. Sess.), § 1, eff. Jan. 13, 2010; 2009, No. 63 (Adj. Sess.), § 3, eff. Dec. 17, 2010; 2011, No. 23, § 1, eff. May 11, 2011; 2021, No. 20, § 245.)