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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 4.7 – 9.4 – 17.1 – 11.8
Single modes 5.2 2.3 9.2 0.9 14.9 2.7 20.4
Truck 4.8 2.1 9.6 1.9 11.8 6.7 20.9
For-hire truck 9.2 2.9 12.9 4.1 12.5 4.6 5.4
Private truck 8.4 3.0 15.8 5.3 14.2 3.1 20.2
Rail 25.6 0.3 29.2 1.0 27.4 2.2 17.0
Water 43.6 – S S 40.2 – 23.7
Shallow draft S S S S S S 30.7
Great Lakes – – – – – – –
Deep draft S S 45.4 – 39.6 – 46.6
Air (including truck and air) 17.7 0.4 S S S S 6.3
Pipeline 50.0 0.2 47.0 1.0 S S S
Multiple modes 11.9 1.9 40.8 0.3 S S 5.5
Parcel, USPS or courier 12.0 2.0 12.1 – 12.7 0.3 5.6
Truck and rail 41.0 – 24.7 – 23.5 0.2 10.6
Truck and water S S S S S S 24.3
Rail and water – – – – – – –
Other Multiple modes S S S S S S 31.6
Other and unknown modes 21.1 0.7 30.6 0.8 31.5 0.9 48.0

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 S S S S 30.2
Single modes S S S S S S 30.2
Truck S S S S S S 30.2
For-hire truck S S S S S S 31.6
Private truck S S S S S S 31.6
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 43.8 – S S 48.6 – 22.2
Single modes 46.5 16.4 S S 49.3 14.6 S
Truck 46.5 16.4 S S 49.3 14.6 S
For-hire truck S S S S S S S
Private truck 45.3 13.7 S S S S S
Rail – – – – – – –
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 24.9
Parcel, USPS or courier S S S S S S 24.9
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 S S S S S S 35.5
Single modes S S S S S S 23.4
Truck S S S S S S 23.4
For-hire truck S S S S S S 24.2
Private truck S S S S S S 28.6
Rail – – – – – – –
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 – – – – – – –

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 41.9 – S S 30.0 – S
Single modes 42.5 5.2 40.6 7.2 31.1 3.5 S
Truck 42.5 5.2 40.6 7.2 31.1 3.5 S
For-hire truck 23.2 14.5 30.6 13.0 32.5 12.4 38.4
Private truck S S 45.2 10.5 S S 49.9
Rail – – – – – – –
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 30.3
Parcel, USPS or courier S S S S S S 31.6
Truck and rail – – – – – – –
Truck and water S S S S S S 31.6
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 28.5 – 37.8 – 43.0 – S
Single modes 29.2 3.5 38.2 0.8 43.3 1.2 S
Truck 29.2 3.5 38.2 0.8 43.3 1.2 S
For-hire truck 35.8 7.3 45.2 9.0 42.9 5.9 20.5
Private truck 30.7 6.8 31.5 9.1 S S S
Rail – – – – – – –
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 25.8
Parcel, USPS or courier S S S S S S 26.5
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 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 13.4 – 31.1 – 47.5 – S
Single modes 13.8 1.0 31.5 1.4 47.8 0.7 48.4
Truck 13.8 1.0 31.5 1.4 47.9 0.8 48.4
For-hire truck 17.7 7.5 38.4 7.3 48.9 3.2 25.6
Private truck 29.5 7.7 39.2 7.8 47.3 3.7 34.4
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 S S S S S S 23.4
Parcel, USPS or courier S S S S S S 23.4
Truck and rail – – – – – – –
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S 46.0 0.7 S

SCTG 8, Alcohol