Review of Truck Characteristics as Factors in Roadway Design (2003) / Chapter Skim
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Pages 13-21
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13 CHAPTER 3 SIZE, COMPOSITION, AND CHARACTERISTICS OF THE U.S.TRUCK FLEET This chapter addresses the size, composition, and characteristics of the truck fleet in the United States. The discussion includes data on the number of trucks, truck-miles of travel, truck length, and truck weight.
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14 TABLE 9 Distribution of key variables for trucks (excluding minivans, pickup trucks, panel trucks, SUVs, and station wagons)
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15 Figure 2. Illustrative truck configurations.
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16 TABLE 10 Characteristics of typical vehicles and their current uses Configuration type Number of axles Common maximum weight (lb) Current use 2 under 40,000 Two-axle single-unit (SU)
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17 TABLE 11 Number of trucks and truck-miles of travel by truck type and number of axles (VIUS, 1997)
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of these data are not stated in the CTSW report, but they are thought to be based, at least in part, on VIUS data. To make Tables 11 and 12 more comparable, Table 13 presents a revised version of Table 12 with data for two-axle single-unit trucks added (based on 1992 and 1997 VIUS data)
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19 TABLE 15 Truck gross weight for specific truck types by truck miles traveled (adapted from VIUS, 1997)
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20 TABLE 16 Number of trucks entering the U.S. from Canada, 1997 Border crossing point Number of trucks entering U.S.
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and weights of trucks operating on U.S. highways.
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