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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 8.5 – 5.1 – 6.6 – 8.0
Single modes 9.9 2.1 4.7 0.7 5.8 1.4 12.5
Truck 10.5 2.2 5.0 2.1 5.9 3.1 14.6
For-hire truck 9.3 3.4 8.4 2.1 8.2 2.9 14.7
Private truck 19.3 3.7 7.9 2.8 13.1 2.0 8.1
Rail 13.7 0.3 12.6 1.7 11.0 2.6 8.2
Water S S 46.6 0.4 45.7 0.2 22.3
Shallow draft S S 49.7 0.4 48.1 0.2 22.4
Great Lakes – – – – – – –
Deep draft S S S S S S 31.1
Air (including truck and air) 16.3 0.4 12.0 – 16.7 – 7.2
Pipeline S S S S S S S
Multiple modes 16.5 1.9 46.1 0.3 42.9 1.3 4.5
Parcel, USPS or courier 18.4 2.0 15.5 – 12.9 – 4.5
Truck and rail S S S S S S 22.0
Truck and water S S S S S S S
Rail and water S S S S S S 31.6
Other Multiple modes S S S S S S 38.5
Other and unknown modes 15.0 0.4 S S 34.3 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 31.6
Single modes S S S S S S 31.6
Truck S S S S S S 31.6
For-hire truck S S S S S S 31.6
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 35.7
Single modes S S S S S S 33.4
Truck S S S S S S S
For-hire truck S S S S S S S
Private truck 45.6 9.3 46.5 8.8 37.5 10.4 40.5
Rail S S S S S S 28.5
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 30.9
Parcel, USPS or courier S S S S S S 31.6
Truck and rail – – – – – – –
Truck and water S S S S S S 29.9
Rail and water S S S S S S 31.6
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 33.9 – 36.5 – 42.2 – S
Single modes 25.8 4.7 38.2 3.9 39.3 9.8 S
Truck 26.1 4.6 38.8 4.0 38.9 12.0 S
For-hire truck 32.7 8.0 38.4 7.1 42.2 11.1 23.5
Private truck 42.7 7.2 44.8 7.4 36.7 10.8 S
Rail S S S S S S 31.6
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 31.2
Parcel, USPS or courier S S S S S S 30.4
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 48.4

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 35.1 – 37.4 – 39.7 – 43.3
Single modes 42.0 10.5 45.4 11.9 42.9 9.0 26.9
Truck 42.0 10.5 45.4 11.9 42.9 9.0 26.9
For-hire truck S S S S S S 36.7
Private truck 39.3 11.1 43.0 12.9 35.9 15.0 29.2
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 30.2
Parcel, USPS or courier S S S S S S 30.2
Truck and rail – – – – – – –
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes S S S S S S S

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 28.9 – 38.9 – 46.9 – S
Single modes 28.4 0.4 38.3 0.5 46.4 0.4 S
Truck 28.4 0.4 38.3 0.5 46.4 0.4 S
For-hire truck 39.3 8.3 49.8 8.3 S S 17.0
Private truck 27.2 8.4 34.7 8.3 34.6 7.6 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 31.2
Parcel, USPS or courier S S S S S S 30.2
Truck and rail S S S S S S 31.6
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 29.1

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 29.4 – 42.9 – S S S
Single modes 29.4 0.2 43.0 0.1 S S 27.9
Truck 29.4 0.2 43.0 0.1 S S 27.9
For-hire truck 30.3 12.1 46.2 13.0 37.9 12.9 23.0
Private truck S S S S S S 36.0
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 27.0
Parcel, USPS or courier S S S S S S 27.0
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 21.6 – 15.0 – 22.7 – 24.8
Single modes 21.9 1.1 15.1 0.2 22.9 0.8 18.0
Truck 23.2 3.5 12.2 3.7 24.7 8.5 19.2
For-hire truck 31.3 7.1 32.9 5.6 35.6 10.7 19.4
Private truck 24.6 8.6 12.9 6.2 20.9 11.9 13.6
Rail S S S S S S 39.3
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 28.7
Parcel, USPS or courier S S S S S S 28.7
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 beverages

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment