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23 U.S.C. § 127

Vehicle weight limitations—Interstate System

United States · Title 23 — HIGHWAYS · Status: effective

Transportation & Motor Vehicles
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23 U.S.C. § 127, Vehicle weight limitations—Interstate System, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/459017
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Full text

With respect to Interstate Routes 89, 93, and 95 in the State of New Hampshire— On request by a regulatory agency or law enforcement agency, the vehicle operator shall provide proof (through demonstration or certification) that— Notwithstanding any other provision of this section, a State may issue special permits during an emergency to overweight vehicles and loads that can easily be dismantled or divided if— The highway segments referred to in paragraph (1) are as follows: If any segment of highway described in clauses (i) through (v) is designated as a route of the Interstate System, a vehicle that could operate legally on that segment before the date of such designation may continue to operate on that segment, without regard to any requirement under subsection (a), except that such vehicle shall not exceed a gross vehicle weight of 120,000 pounds. The highway segments referred to in this paragraph are as follows: In this subsection, the term “covered heavy-duty tow and recovery vehicle” means a vehicle that— In this subsection, the term “covered logging vehicle” means a vehicle that— In this subsection, the term “covered logging vehicle” means a vehicle that— Notwithstanding subsection (a), a State shall not enforce against an emergency vehicle a vehicle weight limit (up to a maximum gross vehicle weight of 86,000 pounds) of less than— In this subsection, the term “emergency vehicle” means a vehicle designed to be used under emergency conditions— A vehicle limited or prohibited under this section from operating on a segment of the Interstate System in the State of Idaho may operate on such a segment if such vehicle– A vehicle limited or prohibited under this section from operating on a segment of the Interstate System in the State of North Dakota may operate on such a segment if such vehicle— The State of Mississippi may allow, by special permit, the operation of a covered agricultural vehicle on the Interstate System in the State of Mississippi if such vehicle does not exceed—

Legislative history

The public laws that enacted or amended this section. Tallies are for the whole bill as it passed each chamber — often an omnibus covering far more than this provision — not a vote on this section alone. The law that originally enacted this section predates the public laws loaded here, so only later amendments are listed.