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Weight of Freight ShipmentsThe Weight of Freight Shipments table shows that in 2002:
Gravel and stone shipments traveled the least miles (about 60 miles) as measured by average length of haul (i.e., miles per ton). From 1993 to 2002, miscellaneous manufactured product shipments and pharmaceuticals grew the fastest as measured by percent change in weight, increasing from 26 million to 91 million tons and from 7 million to 23 million tons, respectively. Each realized a 15-percent annual growth rate since 1993. Find this web page at:
http://www.bts.gov/programs/freight_transportation/html/weight.html |