Figure 1: Freight and Passenger TSI, 1990-2006
Wednesday, November 21, 2012
Figure 1: Freight and Passenger TSI, 1990-2006
Chain-type Index: 2000 = 100
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NOTE: P = preliminary; R = revised
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, August 2007.