Bureau of Transportation Statistics (BTS)
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Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation for State of Origin: 2002

[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]

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All Commodities

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 4.9 11.9 8.6 15.3
Single modes 5.6 1.9 12.1 0.6 8.8 2.3 18.6
Truck 5.8 2.0 14.3 3.2 7.7 3.9 19.0
For-hire truck 7.8 2.3 15.2 2.7 7.7 2.1 6.9
Private truck 10.1 3.1 16.8 3.9 16.6 2.4 19.7
Rail 10.6 0.5 17.0 3.1 17.8 3.3 6.9
Water 49.5 0.2 38.7 1.4 17.0 1.0 S
Shallow draft S S 42.7 1.4 17.0 1.0 S
Great Lakes S S S S S S 31.6
Deep draft
Air (including truck and air) S S S S S S 8.6
Pipeline S S S S S S S
Multiple modes 13.2 1.4 37.7 0.6 38.4 2.4 9.3
Parcel, USPS or courier 10.3 0.9 13.1 16.9 0.1 9.4
Truck and rail 34.6 0.7 39.9 0.2 26.6 0.6 11.6
Truck and water 40.6 S S S S 22.7
Rail and water 44.3 43.2 45.2 23.7
Other Multiple modes S S S S S S 28.4
Other and unknown modes 31.3 1.6 21.5 0.6 25.2 0.8 24.9

SCTG 1, Live animals and live fish

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes
Single modes
Truck
For-hire truck
Private truck
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 2, Cereal grains

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 36.4 36.5 35.5 22.6
Single modes 38.1 5.6 38.2 5.5 37.0 5.3 23.2
Truck 31.3 1.3 29.4 1.1 20.8 0.3 S
For-hire truck 39.8 1.5 39.8 1.2 32.1 0.2 43.1
Private truck S S S S S S S
Rail 45.4 9.9 45.5 10.1 41.9 9.5 5.2
Water 44.5 9.3 45.8 9.6 23.4 8.8 16.9
Shallow draft 20.5 4.6 20.7 5.1 23.4 8.8 16.7
Great Lakes S S S S S S 31.6
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 3, Other agricultural products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 26.1 31.5 21.0 36.0
Single modes 26.0 0.2 31.5 0.2 21.0 36.0
Truck 33.3 10.1 48.6 12.0 43.8 3.8 37.7
For-hire truck 47.4 10.5 S S S S 30.7
Private truck 42.4 8.8 S S 40.3 1.7 S
Rail 27.1 7.7 27.9 8.2 32.4 10.2 30.2
Water 24.6 6.2 24.4 9.9 27.4 10.2 16.0
Shallow draft 24.6 6.2 24.4 9.9 27.4 10.2 16.0
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.6

SCTG 4, Animal feed and products of animal origin, nec

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 18.8 28.4 22.6 S
Single modes 18.7 0.3 28.4 1.8 22.9 1.2 S
Truck 18.5 7.6 36.2 9.5 25.0 9.7 S
For-hire truck 19.1 6.2 38.5 5.5 33.8 4.0 50.0
Private truck 24.2 4.7 37.9 7.8 30.4 6.5 S
Rail 34.0 4.6 26.9 7.3 29.5 11.9 21.4
Water 49.9 6.2 44.4 9.3 44.4 9.1 25.8
Shallow draft 49.9 6.2 44.4 9.3 44.4 9.1 25.8
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 48.5 0.3 S S S S 25.8
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water 48.5 0.3 S S S S 25.8
Other Multiple modes
Other and unknown modes S S S S S S 32.1

SCTG 5, Meat, fish, seafood, and their preparations

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 44.0 45.1 34.8 33.6
Single modes 44.0 45.1 34.8 33.8
Truck 44.0 45.1 34.8 33.8
For-hire truck S S 44.9 12.3 43.0 13.4 23.8
Private truck S S S S S S 28.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 6, Milled grain products and preparations, and bakery products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S S
Single modes 49.6 0.9 S S 47.3 3.6 S
Truck S S S S S S S
For-hire truck 39.5 11.1 S S S S 21.3
Private truck S S S S S S 48.9
Rail 42.8 5.2 45.5 5.8 43.6 9.8 15.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 28.4
Parcel, USPS or courier S S S S S S 30.6
Truck and rail S S S S S S 29.2
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.0

SCTG 7, Other prepared foodstuffs and fats and oils

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 25.2 13.4 21.0 S
Single modes 25.2 0.2 13.4 0.3 20.0 1.9 S
Truck 26.5 1.9 15.6 4.4 26.3 6.7 S
For-hire truck 43.9 10.7 21.4 8.4 31.4 8.2 21.5
Private truck 26.0 10.0 33.7 9.2 33.0 3.6 49.1
Rail 23.7 1.9 27.3 4.3 29.8 5.9 19.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 46.9 0.2 S S S S 31.3
Parcel, USPS or courier S S S S S S 31.6
Truck and rail 46.5 0.2 S S S S 26.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 39.4

SCTG 8, Alcoholic beverages

Mode of tra