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Commercial Freight Activity
The
nation's freight transportation system, all modes combined, carried 15.8
billion tons of raw materials and finished goods in 2002, up 18 percent from
13.4 billion tons in 1993 (figure 1-11).1 The
2002 freight activity also represented 4,506 billion ton-miles at a value of
$10,460 billion (in chained 2000 dollars2).
Ton-miles have grown 24 percent since 1993, while
value rose 45 percent (figure 1-12 and figure 1-13).
Trucking
moved the majority of freight by tonnage and by shipment value in 2002: 9.2
billon tons (58 percent of the total tonnage) and $6,660 billion (64 percent of
the total value). Multimodal shipments-a combination of more than one mode-were
second by value at 11 percent ($1,111 billion), while waterborne carried 15
percent by weight (2.3 billion tons). Trucking and rail were responsible for 32
and 28 percent, respectively, of the total ton-miles.
These total commercial freight
data were calculated by the Bureau of Transportation Statistics, using data
from the Commodity Flow Survey (CFS) conducted in 1993, 1997, and 2002 and
estimates of activity not covered by CFS (box 1-C).
While these total estimates provide the most complete commercial freight
picture for all modes of transportation, they exclude most shipments by the
retail sector and governments (e.g., goods for defense operations and the
collection of municipal solid waste). The estimate also excludes shipments by nongoods-producing sectors (e.g., services, construction,
household goods movers, and transportation service providers).
1 All 2002 total commercial freight data here and in
the accompanying figures and tables are preliminary. Although final 2002 Commodity Flow Survey
data were available at the time this report was prepared, final 2002 supplemental
estimates were still forthcoming.
2 All dollar amounts are expressed in chained 2000
dollars, unless otherwise specified. Current dollar amounts were adjusted to
eliminate the effects of inflation over time.
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