Table 2 Modal Change in Shipment Value, Tonnage, and Ton-Miles: 1993 and 2002*

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Figure 4a Share of Gross Domestic Product by Major Type of Product: 1970-2002

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(Percent)

Figure 11 Average Length of Haul by Major Commodity Group: 2002*

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(Commodity Flow Survey Data Only) (Average miles per ton)

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

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Preface

The nation's interconnected network of highways, railroads, airports, pipelines, and waterways and ports is essential to most economic activity in the nation, enabling access by businesses and households to markets throughout the United States and the world. This report presents...

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

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(Commodity Flow Survey Data Only)

KEY: * 2002 data are preliminary.

NOTE: Ranking is based on value per ton in 2002....

Box D - Freight Transportation Intensity of the U.S. Economy

There is a close link between growth in freight transportation and economic growth. Changes in economic activities influence the demand for freight services. An indicator, known as freight transportation intensity, illustrates this...

Table 4 Modal Shares of Commercial Freight Activity in the United States by Mode of Transportation: 1993, 1997, 2002*

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Figure 12 Value Per Ton of Shipments by Shipment Size: 1993, 1997, and 2002*

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(Commodity Flow Survey Data Only)

KEY: * 2002 data are preliminary.

SOURCE: U.S. Department of Transportation,...

Figure 11 Average Length of Haul by Major Commodity Group: 2002*

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(Commodity Flow Survey Data Only)

KEY: * 2002 data are preliminary.

SOURCE: U.S. Department of Transportation, Bureau of...