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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 3.7 – 8.0 – 8.0 – 7.3
Single modes 4.5 1.7 8.4 0.6 8.3 0.8 18.7
Truck 4.6 1.9 8.9 3.2 7.8 2.7 11.6
For-hire truck 4.4 1.4 10.9 2.3 9.8 2.8 6.2
Private truck 8.1 1.9 13.1 3.3 17.1 1.8 7.7
Rail 14.2 0.9 14.9 1.5 13.3 3.3 11.2
Water 21.2 0.5 20.2 1.3 36.3 3.0 26.0
Shallow draft 26.6 0.4 20.8 0.8 22.5 0.8 41.3
Great Lakes – – – – – – –
Deep draft 32.4 0.3 37.1 0.8 S S 42.7
Air (including truck and air) 21.8 0.4 24.1 – 19.6 – 1.9
Pipeline 15.9 1.4 18.2 3.0 S S S
Multiple modes 15.4 1.6 43.9 0.4 25.1 0.7 6.4
Parcel, USPS or courier 16.3 1.6 14.9 – 17.6 – 6.5
Truck and rail 22.9 – S S 24.2 0.2 9.3
Truck and water 31.7 – 41.3 – 42.7 0.3 16.1
Rail and water S S S S S S 30.6
Other Multiple modes S S S S S S S
Other and unknown modes 24.4 1.0 23.8 0.7 29.1 0.3 36.9

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 31.1
Single modes S S S S S S 31.1
Truck S S S S S S 31.1
For-hire truck S S S S 37.9 19.7 41.1
Private truck S S S S S S 30.8
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 21.0 – 25.8 – 42.4 – 43.7
Single modes 23.5 6.0 28.2 5.6 43.9 5.7 44.1
Truck 24.8 10.3 30.0 11.0 39.5 14.8 S
For-hire truck 27.5 10.0 32.8 11.3 42.9 11.0 S
Private truck S S S S S S 28.2
Rail 37.9 10.8 42.7 11.8 45.3 18.5 30.9
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 S S S S S S 31.6
Parcel, USPS or courier – – – – – – –
Truck and rail S S S S S S 31.6
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 35.2 – 30.8 – S S S
Single modes 35.5 1.4 31.2 1.7 S S S
Truck 35.5 1.4 31.1 1.6 S S S
For-hire truck S S 49.6 15.0 S S 46.9
Private truck 45.4 12.9 40.1 14.4 39.1 17.4 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 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 36.9 – S
Single modes S S S S 37.9 5.9 S
Truck S S S S 38.2 6.8 S
For-hire truck S S 46.3 16.9 44.3 11.0 21.9
Private truck S S S S S S S
Rail S S S S S S 28.7
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S S
Parcel, USPS or courier S S S S S S S
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 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 21.3 – 23.3 – 21.7 – S
Single modes 21.4 0.8 23.8 2.0 21.1 1.2 S
Truck 21.6 0.9 23.9 2.0 21.3 2.1 S
For-hire truck 22.6 9.0 20.8 8.7 22.9 5.1 4.0
Private truck 37.3 8.6 34.7 7.8 34.5 5.0 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 S S S S S S 31.6
Parcel, USPS or courier – – – – – – –
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 45.9 0.8 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 38.0 – S S 34.7 – S
Single modes 38.4 3.4 S S 37.8 8.8 23.7
Truck 38.4 3.4 S S 38.9 8.8 22.7
For-hire truck S S S S 49.6 11.3 27.9
Private truck 47.2 10.1 38.4 11.2 41.2 9.3 32.3
Rail S S S S S S 28.1
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (including truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 26.2
Parcel, USPS or courier S S S S S S 27.4
Truck and rail S S S S S S 31.6
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 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 19.5 – 26.2 – 40.0 – S
Single modes 22.2 5.0 27.5 4.5 41.4 2.4 S
Truck 22.2 5.0 27.9 4.8 42.2 3.0 S
For-hire truck 32.3 7.5 41.7 7.5 45.4 5.8 13.0
Private truck 20.9 8.9 22.5 8.3 30.1 5.3 44.2
Rail 43.2 0.4 49.1 0.9 44.5 1.9 21.0
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 29.8
Pipeline – – – – S S S
Multiple modes S S S S S S 39.4
Parcel, USPS or courier S S S S S S 34.5
Truck and rail S S S S S S 29.9
Truck and water – – – – – – –
Rail and water – – – – – – –
Other Multiple modes – – – – – – –
Other and unknown modes 34.9 3.5 42.9 4.3 S S S

SCTG 8, Alcoholic beverages

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