Figure 13-3
Loadings on Urban Interstate Highways by Vehicle Type: 2003
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Table Version
NOTES: Based on data from the
Truck Weight Study that are collected by the states for varying time periods
each year and are not adjusted to typify annual averages. Loadings are based on equivalent single-axle loads, a standard unit of
pavement damage based on the amount of force applied to pavement by an
18,000-pound axle, which is roughly equivalent to a standard truck axle. Totals
may not add to 100 because of independent rounding.
SOURCE: U.S.
Department of Transportation, Federal Highway Administration, Highway Statistics 2003 (Washington,
DC: 2004), table TC-3.
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