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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 6.0 – 9.6 – 15.8 – 14.8
Single modes 7.4 1.8 10.3 1.4 15.9 0.2 10.9
Truck 7.6 2.8 11.1 4.0 13.5 5.7 13.5
For-hire truck 5.0 1.2 16.4 4.0 17.0 4.8 7.2
Private truck 11.8 2.6 11.7 3.9 12.7 2.5 14.9
Rail 22.5 1.6 22.6 4.4 25.3 5.6 14.3
Water S S S S S S S
Shallow draft S S S S S S S
Great Lakes – – – – – – –
Deep draft S S 23.8 – 12.9 – 31.6
Air (including truck and air) 38.0 0.3 S S S S 6.9
Pipeline S S S S S S S
Multiple modes 16.3 1.4 48.8 0.2 27.8 0.1 9.9
Parcel, USPS or courier 16.8 1.4 16.8 – 16.6 – 9.9
Truck and rail 24.3 – 24.2 – 24.3 – 26.1
Truck and water S S S S S S 28.6
Rail and water S S S S S S 31.6
Other Multiple modes – – – – – – –
Other and unknown modes 20.3 0.7 28.0 1.4 18.8 0.1 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 S S S S S S 30.8
Single modes S S S S S S 30.8
Truck S S S S S S 30.8
For-hire truck S S S S S S 31.6
Private truck S S S S S S 33.5
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 – – – – – – –
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 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 S S S S S S 31.3
Single modes S S S S S S 30.7
Truck S S S S S S 32.9
For-hire truck S S S S S S 32.3
Private truck S S S S S S 29.6
Rail – – – – – – –
Water S S S S S S 31.6
Shallow draft S S S S S S 31.6
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 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 44.8 – S S 46.4 – S
Single modes 45.3 2.1 S S 46.6 1.5 S
Truck 47.4 3.7 S S 47.5 6.0 S
For-hire truck 38.1 12.9 S S S S 32.5
Private truck S S S S S S 47.7
Rail S S S S S S 27.0
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier S S S S S S 31.6
Truck and rail – – – – – – –
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S S S 26.5

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 20.4 – 22.1 – 37.8 – S
Single modes 20.5 0.5 22.1 0.3 37.8 – S
Truck 19.5 0.8 21.3 0.7 33.7 2.4 S
For-hire truck 28.5 7.7 28.6 7.1 37.4 4.2 9.1
Private truck 26.8 7.8 36.1 7.4 S S S
Rail S S S S S S 31.6
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 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 33.7
Single modes S S S S S S 33.4
Truck S S S S S S 34.0
For-hire truck S S S S S S 30.8
Private truck S S S S S S 31.6
Rail S S S S S S 31.6
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 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 9.7 – 12.0 – 21.0 – S
Single modes 9.9 0.8 10.7 1.9 21.0 0.1 S
Truck 11.7 3.3 11.6 5.7 27.5 9.1 S
For-hire truck 37.4 9.1 36.1 7.0 32.5 10.4 17.1
Private truck 16.1 9.4 18.2 8.9 30.9 9.0 S
Rail 45.0 2.9 46.2 4.9 44.2 9.1 26.8
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 30.0
Parcel, USPS or courier S S S S S S 30.0
Truck and rail – – – – – – –
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S S S S

SCTG 8, Alcoholic bev