Table 4b. Shipment Characteristics by Shipment Weight: 2002 and 1997

Table 4b. Shipment Characteristics by Shipment Weight: 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Shipment Weight Value Tons Ton-miles1 Average miles per shipment
2002
(million $)
1997
(million $)
Percent
change
2002
(thousands)
1997
(thousands)
Percent
change
2002
(millions)
1997
(millions)
Percent
change
2002 1997 Percent change
All shipment sizes 8,397,210 6,859,805 22.4 11,667,919 10,566,330 10.4 3,137,898 2,592,590 21.0 546 486 12.5
Less than 50 lbs 991,839 825,092 20.2 18,543 18,810 −1.4 9,911 9,333 6.2 696 603 15.5
50 to 99 lbs 295,607 245,926 20.2 14,432 13,226 9.1 5,072 4,323 17.3 358 325 10.2
100 to 499 lbs 811,133 718,343 12.9 85,224 78,822 8.1 21,920 19,103 14.7 263 247 6.2
500 to 749 lbs 246,872 217,595 13.5 40,816 37,921 7.6 9,473 8,626 9.8 232 226 3.0
750 to 999 lbs 182,832 154,316 18.5 35,892 31,721 13.1 7,799 7,241 7.7 216 227 −4.7
1,000 to 9,999 lbs 1,781,947 1,518,750 17.3 614,243 561,391 9.4 154,986 129,234 19.9 245 227 7.5
10,000 to 49,999 lbs 3,075,335 2,274,401 35.2 4,453,871 3,983,596 11.8 882,900 730,063 20.9 202 186 8.5
50,000 to 99,999 lbs 390,050 351,707 10.9 2,129,556 1,983,840 7.3 189,129 171,526 10.3 87 85 2.5
100,000 lbs or more 621,594 553,674 12.3 4,275,342 3,857,002 10.8 1,856,708 1,513,142 22.7 477 429 11.0

KEY:
– Represents data cell equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.

1 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See "Mileage Calculations" section for additional information.

NOTES: Value-of-shipments estimates have not been adjusted for price changes. Appendix B tables provide estimated measures of sampling variability. The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.
Coverage for the 2002 Commodity Flow Survey (CFS) differs from the previous surveys due to a change from the 1987 Standard Industrial Classification System to the 1997 North American Industry Classification System and other survey improvements. Therefore, data users are urged to use caution when comparing 2002 CFS estimates with estimates from prior years.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.