What are some of the daily maximum weight loads for oversize load trucks?


Quick Answer

The National System of Interstate and Defense Highways sets the maximum weight loads for trucks at 80,000 pounds gross vehicle weight, 20,000 pounds single-axle weight and 34,000 pounds tandem-axle weight. While the Federal government sets these limits, individual states issue permits for oversize trucks, explains the U.S. Department of Transportation.

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Full Answer

The number and spacing of axles carrying the vehicle load is also important when determining federal weight compliance using the formula W=500(LN/N-1 + 12N + 36). W stands for the overall gross weight of any two or more consecutive axles. L is the distance in feet between the outermost axles in a group of two or more, and N is the number of axles in the group. State can issue permits for oversize trucks without regard to any of these Federal guidelines, according to the U.S. Department of Transportation. Historic rights or congressional authorization may apply at the State level.

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