Figure 10 Average Length of Haul of U.S. Freight Shipments by Transportation Mode: 1993 and 2002*

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KEY: * 2002 data are preliminary. Average length of haul is defined as miles per ton traveled.

NOTE: The...

Figure 6 Higher Value Goods' Share of U.S. Freight Shipments: 1993, 1997 and 2002*

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(Commodity Flow Survey Data Only) (Percent)

Figure 4b Freight Ton-Miles and U.S. Real Gross Domestic Product: 1970-2002 (Index 1970 = 100)

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Figure 2 Growth in U.S. Commercial Freight Shipments: 1993-2002*

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KEY: * 2002 data are preliminary.

NOTE: The value of freight shipments is inflation-adjusted with the goods GDP deflator in chained 2000...

Figure 6 Higher Value Goods' Share of U.S. Freight Shipments: 1993, 1997 and 2002*

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(Commodity Flow Survey Data Only)

KEY: * 2002 data are preliminary.

NOTE: Higher value goods were valued at over $...

Figure 8 Freight Shipments by Distance Shipped: 1993, 1997, and 2002*

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(Commodity Flow Survey Data Only)

KEY: * 2002 data are preliminary.

NOTE: Shipments are grouped into distance categories based...

Box E - Source and Reliability of the CFS Data and Other Sources Used in this Report

The CFS data presented in this report are estimates derived from a sample survey. Because the CFS is a sample survey and uses estimation methods and procedures to estimate total freight activity for the...

Figure 13 Top 10 Commodity Groups Ranked by Value Per Ton: 2002*

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(Commodity Flow Survey Data Only) (dollars)

Box B - What Isn't Covered by the CFS and BTS Estimates

While the BTS estimates of total freight shipments provide the most complete commercial freight picture for all modes of transportation, they exclude most shipments by the retail sector and government shipments, such as goods for defense...

Figure 1 Value, Weight, and Ton-Miles of U.S. Commercial Freight Shipments: 1993, 1997, and 2002*

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KEY: * 2002 data are preliminary.

NOTE: The value of freight shipments is inflation-adjusted with the goods...