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Appendix B: Federal Truck Size and Weight Laws
Pages 215-232

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From page 215...
... Eisenhower System of Interstate and Defense Highways shall be 20,0000 lb carried on one axle, including enforcement tolerances, and a tandem axle weight of 34,000 lb, including enforcement tolerances and with an overall maximum gross weight, including enforcement tolerances, on a group of two or more consecutive axles produced by application of the following formula: W = 500 tEN/(N - 1) + 12N + 361 where W equals overall gross weight on any group of two or more consecutive axles to the nearest 500 lb, ~ equals distance in feet between the extreme of any group of two or more consecutive axles, and N equals number of axles in group under consideration, except that two consecutive sets of tandem axles may carry a gross load of 34,000 lb each providing the overall distance between the first and last axles of such consecutive sets of tandem axles (l ~ is 36 It or more, or (2)
From page 216...
... This section shall not be construed to deny apportionment to any state allowing the operation within such state of any vehicles or combinations thereof, other than vehicles or combinations subject to subsection (d) of this section, which the state determines could be lawfully operated within such state on July 1,1956, except in the case of the overall gross weight of any group of two or more consecutive axles, on the date of enactment of the Federal-Aid Highway Amendments of 1974.
From page 217...
... A fonger combination vehicle may continue to operate only if the longer combination vehicle configuration type was authorized by state officials pursuant to state statute or regulation conforming to this section and in actual lawful operation on a regular or periodic basis (including seasonal operations) on or before June 1,1991, or pursuant to section 335 of the Department of Transportation and Related Agencies Appropriations Act, 1991 (104 Stat.2186~.
From page 218...
... In addition to those vehicles allowed under subparagraph (A) , the state of Wyoming may allow the operation of additional vehicle configurations not in actual operation on June 1, 1991, but authorized by state law not later than November 3, 1992, if such vehicle configurations comply with the single axle, tandem axle, and bridge formula limits set forth in subsection (a)
From page 219...
... No statute or regulation shall be included on the list submitted by a state or published by the Secretary merely on the grounds that it authorized, or could have authorized, by permit or otherwise, the operation of longer combination vehicles, not in actual operation on a regular or periodic basis on or before June 1, 1991. (D ~ Final list.
From page 220...
... The single axle, tandem axle, and bridge formula limits set forth in subsection (a) shall not apply to the operation on Interstate 68 in Garrett and Allegany counties, Maryland, of any specialized vehicle equipped with a steering axle and a tridem axle and used for hauling coal, fogs, and pulpwood if such vehicle is of a type of vehicle as was operating in such counties on United States Route (US)
From page 221...
... of this section or if the Secretary determines that a State is not adequately enforcing all State laws respecting such maximum vehicle size and weights, notwithstanding such a certification, then Federal-aid highway funds apportioned to such State for such fiscal year shall be reduced by amounts equal to 10 per centum of the amount which would otherwise be apportioned to such State under section 104 of this title.
From page 222...
... TITLE 49 TRANSPORTATION Subtitle Vl Motor Vehicle and Driver Programs Part B Commercial Chapter 311 Commercial Motor Vehicle Safety Subchapter 11 Length and Width Limitations2 Sec.
From page 223...
... If the chief executive officer of a state, after consulting under paragraph (2) of this subsection, decides a segment of the 223
From page 224...
... of this subsection, the chief executive officer shall consult with units of local government in the state in which the segment of the Dwight D Eisenhower System of Interstate and Defense Highways is located and with the chief executive officer of any adjacent state that may be directly affected by the exemption.
From page 225...
... The maximum combination trailer, semitrailer, or other type of length limitation allowed by law or regulation of that state before June 2, 1991; or (2) The length of the property-carrying units of those commercial motor vehicle combinations, by specific configuration, in actual, lawful operation on a regular or periodic basis (including continuing seasonal operation)
From page 226...
... Alaska may allow the operation of commercial motor vehicle combinations that were not in actual operation on June I, 1991, but were in actual operation before July 6, 1991; and (4) Iowa may allow the operation on Interstate 29 between Sioux City, Iowa, and the border between Iowa and South Dakota or on Interstate 129 between Sioux City, Iowa, and the border between Iowa and Nebraska of commercial motor vehicle combinations with trailer length, semitrailer length, and property-carrying unit length allowed by law or regulation and in actual lawful operation on a regular or periodic basis (including continued seasonal operation)
From page 227...
... Not later than February 16, 1992, each state shall submit to the Secretary for publication a complete list of state length limitations applicable to commercial motor vehicle combinations operating in the state on the highways described in subsection (b) of this section.
From page 228...
... To affect in any way the operation in a state of a commercial motor vehicle with more than one property-carrying unit if the vehicle was in actual operation on a regular or periodic basis (including seasonal operation) in that state before June 2, 1991, that was authorized under state law or regulation or lawful state permit.
From page 229...
... Eisenhower System of Interstate and Defense Highways is not capable of safely accommodating a commercial motor vehicle having the width provided in subsection (a) of this section, the chief executive officer may notify the Secretary of that decision and request the Secretary to exempt that segment from subsection (a)
From page 230...
... of this subsection, the chief executive officer shall consult with units of local government in the state in which the segment of the Dwight D Eisenhower System of Interstate and Defense Highways is focatec!
From page 231...
... This section does not prevent a state or local government from imposing reasonable restrictions, based on safety considerations, on a truck tractor-semitrailer combination in which the semitrailer has a length of not more than 28.5 ft and that generally operates as part of a vehicle combination described in section 31~ ~ ~ (c) of this title.
From page 232...
... From the U.S. Code Online via GPO Access (wais.access.gpo.gov)


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