Table 9. Shipment Characteristics by Mode of Transportation for State of Origin: 2002 and 1997

Table 9. Shipment Characteristics by Mode of Transportation for State of Origin: 2002 and 1997

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

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Mode of transportation1 Value Tons Ton-miles2 Average miles per shipment
2002
(million $)
1997
(million $)
Percent Change 1997-2002 2002
(thousands)
1997
(thousands)
Percent Change 1997-2002 2002
(millions)
1997
(millions)
Percent Change 1997-2002 2002 (average miles) 1997 (average miles) Percent change 1997-2002
All modes 164,557 122,527 34.3 268,935 236,721 13.6 44,113 47,600 −7.3 441 468 −5.7
Single modes 144,336 107,216 34.6 263,668 228,997 15.1 42,235 44,052 −4.1 183 180 1.6
Truck 137,943 102,857 34.1 216,324 178,989 20.9 23,392 20,254 15.5 144 135 6.1
Rail 3,206 2,474 29.6 45,359 49,002 −7.4 18,637 23,680 −21.3 549 560 −1.9
Water S 160 S 1,947 674 188.7 166 76 119.2 87 S S
Air (including truck and air) 3,069 1,655 85.5 38 27 41.7 39 39 −0.2 1,312 1,582 −17.1
Pipeline3 S 70 S S S S S S S S S S
Multiple modes 16,395 12,396 32.3 2,467 4,050 −39.1 1,714 1,994 −14.1 834 817 2.1
Parcel, USPS or courier 14,902 11,747 26.9 337 298 13.2 231 199 15.9 834 817 2.1
Truck and rail S S S S S S S S S 1,905 1,450 31.4
Other Multiple modes S 254 S S 3,547 S S 1,539 S S S S
Other and unknown modes 3,826 2,914 31.3 S 3,673 S 164 S S S 50 S

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 Estimates represent activity for a given mode across single and multiple mode shipments. For example, "Truck" ton-miles includes total ton-miles for shipments moving only by truck plus ton-miles for truck segments of multiple mode shipments.
2 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See "Mileage Calculations" section for additional information.
3 Estimates exclude shipments of crude petroleum (SCTG 16).

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, Individual State Data, December 2004.