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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 19.6 – 23.8 – 9.2 – 12.0
Single modes 23.2 3.2 25.9 2.4 10.8 1.8 22.9
Truck 7.7 6.0 36.8 6.4 8.5 3.1 10.6
For-hire truck 5.5 3.6 9.2 3.5 8.0 2.6 14.6
Private truck 14.3 3.1 48.9 6.3 14.8 1.0 11.9
Rail 17.9 0.8 25.9 2.6 25.6 4.8 8.3
Water 40.9 0.8 S S 47.1 3.2 16.7
Shallow draft S S S S S S 15.9
Great Lakes – – – – – – –
Deep draft 34.9 0.2 S S 41.9 1.0 15.9
Air (including truck and air) S S 37.3 – S S 4.8
Pipeline 9.0 0.6 11.7 1.4 S S S
Multiple modes 17.7 3.1 16.3 0.2 18.8 1.7 9.9
Parcel, USPS or courier 18.3 3.0 19.7 – 26.6 0.3 10.2
Truck and rail 31.6 0.2 23.5 0.2 22.3 1.4 4.7
Truck and water 27.1 0.1 32.9 – 35.9 1.0 6.1
Rail and water – – – – – – –
Other Multiple modes S S S S S S 49.0
Other and unknown modes 27.8 0.4 27.1 2.4 17.8 0.5 S

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 S S 46.0 – 38.4 – 28.0
Single modes S S 46.4 0.8 35.0 3.0 33.0
Truck 41.3 15.1 41.5 14.6 S S 31.0
For-hire truck S S S S S S 32.2
Private truck S S S S S S 31.5
Rail S S S S S S S
Water S S S S 37.8 12.9 22.9
Shallow draft S S S S 37.8 12.9 22.9
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 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 40.3 – S S S S 40.4
Single modes 38.1 2.8 S S S S 40.3
Truck 31.9 10.0 S S 49.5 7.4 42.7
For-hire truck 32.6 11.4 S S 49.5 8.6 21.1
Private truck 39.9 6.6 49.7 9.0 S S 48.6
Rail S S S S S S 21.9
Water S S S S S S 29.8
Shallow draft S S S S S S 29.8
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 29.4
Parcel, USPS or courier S S S S S S 29.4
Truck and rail – – – – – – –
Truck and water S S S S S S 31.2
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S S S 26.8

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 48.4 – 42.4 – S S 29.3
Single modes S S 44.0 9.6 S S S
Truck S S S S S S S
For-hire truck S S S S S S S
Private truck S S S S S S 36.2
Rail S S S S S S 27.9
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 32.7
Parcel, USPS or courier S S S S S S 31.6
Truck and rail S S S S S S 31.6
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S S S 41.7

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 30.1 – 27.4 – 29.9 – 47.9
Single modes 29.9 0.6 27.3 0.5 29.6 0.6 49.1
Truck 30.0 0.7 27.3 0.5 29.6 0.6 49.9
For-hire truck 34.2 9.8 32.6 11.1 36.3 9.7 20.8
Private truck S S S S S S S
Rail – – – – – – –
Water S S S S S S 31.6
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 31.6
Air (including truck and air) S S S S S S 28.4
Pipeline – – – – S S S
Multiple modes S S S S S S 24.0
Parcel, USPS or courier S S S S S S 30.0
Truck and rail – – – – – – –
Truck and water S S S S S S 25.8
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S S S S

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 25.9
Single modes S S S S S S 25.9
Truck 46.4 9.2 S S S S 31.9
For-hire truck S S S S S S 31.6
Private truck 34.0 14.4 45.1 18.7 S S 36.4
Rail S S S S S S 29.8
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) S S S S S S 30.5
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 48.7

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 26.3 – 22.9 – 30.1 – 29.1
Single modes 27.2 1.7 23.5 1.3 31.2 2.3 26.2
Truck 27.0 2.5 23.8 2.6 30.5 7.2 25.7
For-hire truck 46.8 7.8 33.5 6.8 36.3 7.7 14.6
Private truck 35.4 9.2 37.2 8.3 39.2 7.3 21.9
Rail 48.9 2.2 42.4 2.6 42.1 7.3 19.8
Water S S S S S S 28.2
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 28.2
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes 42.8 0.8 20.4 0.5 22.2 2.2 24.4
Parcel, USPS or courier S S S S S S 24.6
Truck and rail 46.6 0.2 43.1 0.4 43.5 2.0 21.2
Truck and water 49.4 0.1 34.2 0.2 35.0 1.1 22.9
Rail and water – – – – – – –
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S 49.1 – 42.7

SCTG 8, Alcoholic beverages

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent		 CV