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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 8.0 – 10.4 – 16.9 – 12.4
Single modes 8.4 1.4 12.0 3.9 17.1 2.6 14.5
Truck 10.1 2.4 12.4 2.8 9.0 2.5 14.2
For-hire truck 12.8 2.6 16.8 2.5 10.8 1.7 18.4
Private truck 8.4 2.2 16.0 1.1 14.8 0.9 13.5
Rail 15.3 2.3 19.4 8.0 19.9 6.5 13.8
Water 38.9 0.6 43.2 2.2 S S 24.5
Shallow draft 38.9 0.6 43.2 2.2 S S 24.5
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) 42.8 – 32.8 – 27.5 – 21.9
Pipeline S S S S S S S
Multiple modes 19.7 1.1 37.8 1.4 32.3 1.7 8.2
Parcel, USPS or courier 17.9 0.6 25.3 – 15.4 – 8.2
Truck and rail 37.0 0.6 47.1 0.4 44.9 0.8 39.5
Truck and water S S S S S S 28.0
Rail and water 43.7 0.3 49.0 1.4 45.9 1.7 21.3
Other Multiple modes – – – – – – –
Other and unknown modes 33.6 1.0 41.2 4.1 S S 39.4

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 31.6
Single modes S S S S S S 31.6
Truck S S S S S S 31.6
For-hire truck – – – – – – –
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 S S S S S S 23.2
Single modes S S S S S S 23.2
Truck S S S S S S 23.2
For-hire truck S S S S S S 29.8
Private truck S S S S S S 26.0
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 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 41.4 – 40.9 – 41.4 – 25.9
Single modes 41.4 – 40.9 – 41.4 – 25.9
Truck 41.4 – 40.9 – 41.4 – 25.9
For-hire truck – – – – – – –
Private truck 41.4 – 40.9 – 41.4 – 25.9
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 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 21.0 – 26.6 – 26.5 – S
Single modes 20.9 – 26.5 – 26.5 – S
Truck 20.9 – 26.5 – 26.5 – S
For-hire truck 30.1 13.4 37.7 13.3 34.3 15.2 29.2
Private truck S S S S S S 41.0
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 20.0
Single modes S S S S S S 20.0
Truck S S S S S S 20.0
For-hire truck – – – – – – –
Private truck S S S S S S 20.0
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 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 23.6 – 28.3 – S S 17.8
Single modes 23.6 – 28.3 – S S 17.9
Truck 23.6 – 28.3 – S S 17.9
For-hire truck S S S S S S 26.8
Private truck 28.6 8.2 31.5 11.8 40.6 18.1 19.1
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 – – – – – – –