Table 3-3: Shipments Originating in Iowa by Mode of Transportation: 1997

Table 3-3: Shipments Originating in Iowa by Mode of Transportation: 1997

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  Value Short tons Ton-miles
Number
($ millions)
Percent Number
(thousands)
Percent Number (millions) Percent
All modes 110,175 100.0 218,894 100.0 56,847 100.0
Single modes 100,070 90.8 215,048 98.2 53,561 94.2
Truck 91,338 82.9 178,277 81.4 22,966 40.4
For-hire 53,590 48.6 65,591 30.0 15,652 27.5
Private truck 37,017 33.6 112,100 51.2 7,134 12.5
Rail 7,224 6.6 30,467 13.9 22,570 39.7
Water 975 Z 6,064 2.8 7,968 14.0
Shallow draft 975 Z 6,064 2.8 7,968 14.0
Great Lakes Z Z Z Z Z Z
Deep draft Z Z Z Z Z Z
Air (including truck and air) 480 Z 21 Z 21 Z
Pipeline S S S S S S
Multiple modes 7,321 6.6 2,052 Z S S
Parcel, U.S. Postal Service, or courier service 6,484 5.9 301 Z 177 Z
Truck and rail intermodal combination 691 0.6 700 Z 802 1.4
Truck and water S S S S S S
Rail and water S S S S S S
Other multiple modes S S S S S S
Other and unknown modes 2,785 2.5 1,795 Z 803 1.4

KEY: S = data do not meet publication standards because of high sampling variability or other reasons; Z = zero or less than 1 unit of measure.

NOTE: The Commodity Flow Survey covers business establishments in mining, manufacturing, wholesale trade, and selected retail industries. The survey also covers selected auxiliary establishments (e.g., warehouses) of in-scope multiunit and retail companies. The survey excludes establishments classified as farms, forestry, fisheries, governments, construction, transportation, foreign establishments, services, and most establishments in retail. Due to industry-wide reporting problems, shipments by oil and gas extraction establishments are also excluded.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 1997 Commodity Flow Survey: Washington, DC: 1999, available at http://www.bts.gov/ntda/cfs/cfs97od.html as of Nov. 2, 2001.