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Table B–7. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation for the United States: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey]

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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 1.3 – 2.0 – 3.7 – 2.9
Single modes 1.4 0.3 2.1 0.5 3.1 0.7 7.0
Truck 1.4 0.4 2.6 1.0 2.8 1.5 3.7
For-hire truck 2.3 0.6 3.6 1.0 3.1 1.2 2.6
Private truck 1.6 0.5 3.4 0.8 3.9 0.4 4.2
Rail 6.0 0.2 5.7 0.7 6.7 1.3 6.7
Water 6.4 – 6.8 0.4 7.4 0.7 16.5
Shallow draft 8.6 – 7.9 0.3 10.3 0.7 15.2
Great Lakes 29.1 – 22.3 – 24.5 0.1 15.0
Deep draft 15.4 – 18.0 0.3 19.2 0.4 28.6
Air (includes truck and air) 11.6 0.4 11.6 – 15.5 – 4.2
Pipeline 6.4 0.1 6.9 0.4 S S S
Multiple modes 3.3 0.4 10.0 0.2 16.5 0.8 2.2
Parcel, U.S.P.S. or courier 3.3 0.3 4.4 – 4.2 – 2.3
Truck and rail 13.2 0.1 12.3 – 7.1 0.1 3.1
Truck and water 26.4 – 16.6 – 18.5 0.2 9.4
Rail and water 16.6 – 23.0 0.2 35.1 0.9 21.0
Other multiple modes 31.8 – 30.7 – 25.2 0.1 S
Other and unknown modes 3.0 0.1 12.6 0.4 9.7 0.2 13.0

SCTG 01, 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 21.1 – 24.5 – 26.0 – 18.3
Single modes 21.7 2.8 24.7 2.2 24.5 1.9 47.7
Truck 21.8 2.8 24.7 2.1 24.6 2.0 38.8
For-hire truck 25.7 7.6 29.1 9.2 33.2 9.0 12.9
Private truck 32.8 8.3 37.1 9.5 42.4 9.3 43.8
Rail – – – – – – –
Water S S S S S S 22.4
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 22.4
Air (includes truck and air) 46.2 0.6 46.5 0.2 46.8 1.2 20.2
Pipeline – – – – S S S
Multiple modes S S S S S S 22.4
Parcel, U.S.P.S. or courier S S S S S S 22.4
Truck and rail – – – – – – –
Truck and water – – – – – – –
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes S S S S S S 22.4

SCTG 02, 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 7.1 – 7.5 – 18.1 – 10.9
Single modes 7.5 1.2 7.9 1.3 19.0 1.8 10.8
Truck 12.0 3.1 13.1 3.2 16.2 1.5 11.7
For-hire truck 11.9 2.6 14.0 3.0 20.2 1.2 12.5
Private truck 27.7 2.4 29.5 2.6 38.6 1.1 14.2
Rail 15.7 3.3 18.3 3.8 31.1 5.0 10.9
Water 11.8 3.2 11.6 3.4 15.7 4.4 4.3
Shallow draft 15.9 2.2 13.8 2.1 16.5 4.4 3.5
Great Lakes S S S S S S 21.8
Deep draft 25.9 3.2 26.3 3.5 27.0 0.5 26.1
Air (includes truck and air) S S S S S S 23.0
Pipeline – – – – S S S
Multiple modes 24.1 0.8 23.3 0.8 28.7 1.8 36.5
Parcel, U.S.P.S. or courier S S S S S S 23.4
Truck and rail S S S S S S 45.5
Truck and water 45.4 0.3 45.7 0.4 45.5 1.6 20.3
Rail and water S S S S S S 19.9
Other multiple modes S S S S S S 22.4
Other and unknown modes S S S S 49.4 0.3 S

SCTG 03, 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 10.4 – 7.8 – 7.4 – 12.2
Single modes 10.9 0.9 7.8 0.6 7.2 1.3 29.5
Truck 13.4 2.8 14.6 4.5 11.2 4.6 30.3
For-hire truck 12.1 3.3 14.0 3.6 10.5 3.8 10.2
Private truck 20.5 3.4 20.4 3.3 23.9 1.6 25.3
Rail 24.1 1.3 24.0 3.2 26.4 4.3 19.4
Water 21.1 2.5 20.8 4.3 21.2 4.5 19.2
Shallow draft 15.8 0.8 17.1 2.0 22.1 4.4 5.3
Great Lakes – – – – – – –
Deep draft 41.3 2.4 41.2 4.1 43.3 0.5 20.0
Air (includes truck and air) S S 43.7 – 47.0 - 10.8
Pipeline S S S S S S S
Multiple modes 20.8 0.8 31.8 0.6 28.9 1.3 8.5
Parcel, U.S.P.S. or courier 30.1 0.5 37.9 – 48.7 0.1 10.9
Truck and rail 27.5 0.5 43.4 0.4 24.2 0.6 7.4
Truck and water 44.4 0.1 S S S S 28.9
Rail and water S S S S S S 21.2
Other multiple modes S S S S S S S
Other and unknown modes 20.3 0.4 24.7 0.3 23.0 – S

SCTG 04, Animal feed and products of animal origin, n.e.c

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 9.6 – 14.1 – 10.0 – 24.8
Single modes 9.8 1.9 14.5 1.2 7.8 4.0 17.5
Truck 10.2 2.3 15.5 2.5 10.5 4.7 17.1
For-hire truck 13.2 4.1 19.2 3.6 12.6 4.2 11.4
Private truck 16.1 3.9 22.9 3.7 14.4 2.3 14.5
Rail 14.6 1.2 18.5 1.9 16.8 3.6 5.1
Water 41.3 0.3 36.1 0.4 43.2 1.2 37.4
Shallow draft 39.6 0.1 39.1 0.3 43.5 1.2 17.2
Great Lakes – – – – – – –
Deep draft S S S S S S 22.4
Air (includes truck and air) S S S S S S 20.6
Pipeline S S S S S S S
Multiple modes S S 44.5 1.1 S S 13.4
Parcel, U.S.P.S. or courier S S S S S S 12.5
Truck and rail 38.6 0.1 S S S S 19.5
Truck and water S S S S S S 18.1
Rail and water S S S S S S 22.9
Other multiple modes S S S S S S S
Other and unknown modes 27.8 0.4 25.7 0.4 44.9 0.4 46.4

SCTG 05, 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 4.2 – 4.6 - 6.5 - 15.2
Single modes 4.0 0.4 4.5 0.6 6.6 0.2 16.6
Truck 4.0 0.5 4.5 0.7 6.6 0.7 16.2
For-hire truck 4.8 2.6 5.9 2.6 6.9 1.7 5.0
Private truck 8.7 2.5 8.5 2.4 14.0 1.7 12.2
Rail 36.5 – 34.6 0.2 31.1 0.4 21.8
Water 30.9 – S S S S 18.2
Shallow draft S S S S S S 20.0
Great Lakes – – – – – – –
Deep draft 40.8 – S S S S 18.7
Air (includes truck and air) 30.4 – 30.7 – 34.1 0.1 5.9
Pipeline – – – – S S S
Multiple modes 15.5 – 22.9 – 18.9 0.1 12.2
Parcel, U.S.P.S. or courier 35.4 – 36.2 – 44.5 – 10.5
Truck and rail 48.6 – S S S S 21.1
Truck and water 28.2 – 35.6 – 25.9 0.1 16.0
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.2
Other and unknown modes 38.6 0.4 39.3 0.6 30.6 0.2 S

SCTG 06, 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 8.2 – 7.2 – 6.8 – 19.1
Single modes 8.2 0.4 7.3 0.5 6.2 1.4 15.7
Truck 8.3 0.6 9.2 2.7 8.5 4.0 15.6
For-hire truck 9.5 3.1 12.9 4.0 9.3 3.8 11.1
Private truck 12.5 3.1 16.2 3.7 23.1 2.2 18.8
Rail 19.7 0.6 19.6 2.7 20.2 4.3 6.3
Water S S S S S S 26.6
Shallow draft S S S S S S 20.6
Great Lakes – – – – – – –
Deep draft S S S S S S 31.9
Air (includes truck and air) S S S S S S 20.5
Pipeline S S S S S S S
Multiple modes 16.7 0.3 24.5 0.4 28.3 1.3 15.2
Parcel, U.S.P.S. or courier 25.8 0.2 32.4 – 39.9 0.1 15.1
Truck and rail 25.9 0.3 26.7 0.4 29.9 1.3 9.8
Truck and water 43.9 – 38.2 – 43.4 – S
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes 20.5 0.2 29.7 0.3 36.2 0.2 S

SCTG 07, 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 4.4 – 5.2 – 6.3 – 17.7
Single modes 4.3 0.5 5.2 0.6 5.7 0.9 11.0
Truck 4.5 0.5 5.2 0.9 6.6 2.3 10.9
For-hire truck 5.7 2.0 6.7 2.4 7.6 2.3 14.4
Private truck 7.0 2.0 8.6 2.4 10.0 1.5 7.9
Rail 9.4 0.4 12.6 0.9 13.1 2.3 3.1
Water 26.3 – 34.1 0.3 37.1 0.7 45.9
Shallow draft 37.0 – 37.6 0.3 40.1 0.7 S
Great Lakes – – – – – – –
Deep draft 24.1 – 38.2 – 36.2 – 38.6
Air (includes truck and air) 47.8 – S S S S 12.5
Pipeline 46.4 – S S S S S
Multiple modes 14.6 0.3 26.1 0.2 32.4 0.9 10.5
Parcel, U.S.P.S. or courier 19.7 0.2 22.5 – 19.5 – 10.0
Truck and rail 28.1 0.2 30.4 0.2 36.4 0.9 7.2
Truck and water 24.6 – 21.4 – 31.9 0.1 20.8
Rail and water S S S S S S 21.8
Other multiple modes S S S S S S 24.8
Other and unknown modes 20.5 0.3 34.7 0.6 24.6 0.2 S

SCTG 08, Alcoholic beverages.

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 6.1 – 5.8 - 12.8 - 4.7
Single modes 6.4 0.6 6.1 0.6 13.0 1.0 5.4
Truck 6.5 1.1 6.1 1.5 14.2 4.4 5.3
For-hire truck 9.4 2.1 9.3 2.5 16.5 4.0 24.5
Private truck 7.7 2.5 8.3 3.1 10.6 2.2 4.7
Rail 23.1 0.8 19.4 1.3 26.9 3.6 17.4
Water 37.9 – 49.3 0.3 47.9 1.3 22.0
Shallow draft S S S S S S 22.0
Great Lakes – – – – – – –
Deep draft S S 46.6 – 39.7 – 23.1
Air (includes truck and air) S S S S S S 36.2
Pipeline S S S S S S S
Multiple modes 16.1 0.2 19.2 0.2 24.8 1.0 37.2
Parcel, U.S.P.S. or courier S S S S S S 26.2
Truck and rail 22.1 0.2 23.9 0.1 23.3 0.8 13.4
Truck and water 36.4 0.1 33.7 – 43.7 0.5 37.0
Rail and water S S S S S S 22.4
Other multiple modes S S S S S S 29.6
Other and unknown modes 30.6 0.6 35.0 0.6 49.8 0.5 S

SCTG 09, Tobacco 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 14.4 – 29.9 – 36.3 – 22.1
Single modes 14.9 1.6 30.7 1.7 19.9 7.0 28.0
Truck 14.9 1.6 30.7 1.6 19.9 7.0 30.1
For-hire truck 31.8 6.8 41.6 8.3 22.8 7.0 21.9
Private truck 18.1 6.8 26.1 7.4 37.1 4.4 11.3
Rail – – – – – – –
Water – – – – – – –
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (includes truck and air) S S S S 49.5 0.2 23.6
Pipeline – – – – S S S
Multiple modes 49.2 1.3 S S S S 9.4
Parcel, U.S.P.S. or courier 38.2 1.2 33.2 0.6 35.7 2.5 10.4
Truck and rail S S S S S S 22.4
Truck and water S S S S S S 23.7
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes S S 37.5 1.1 43.0 0.2 36.9

SCTG 10, Monumental or building stone.

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 29.1 – 29.9 – 22.1 – 16.9
Single modes 30.3 2.8 30.1 0.7 23.6 3.4 17.8
Truck 30.3 3.2 30.2 0.9 23.6 3.6 16.8
For-hire truck 26.3 6.5 37.4 8.3 32.2 7.7 43.9
Private truck 38.7 7.4 41.6 8.2 20.4 7.0 21.3
Rail S S S S S S 21.9
Water S S S S S S 32.0
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 32.0
Air (includes truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes S S S S S S 29.4
Parcel, U.S.P.S. or courier S S S S S S 21.2
Truck and rail S S S S S S 21.0
Truck and water S S S S S S 22.2
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes 46.0 2.2 42.2 0.4 S S S

SCTG 11, Natural sands.

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 6.8 – 9.1 – 11.8 – 10.5
Single modes 7.5 1.5 9.3 1.1 11.3 1.3 8.4
Truck 9.0 2.8 10.2 3.0 11.8 4.7 7.9
For-hire truck 13.1 3.5 15.9 4.1 16.9 4.6 20.3
Private truck 13.1 3.7 12.2 3.8 17.3 3.8 12.8
Rail 13.8 1.8 39.6 1.3 26.9 3.6 18.3
Water S S S S S S 24.7
Shallow draft S S S S S S 20.8
Great Lakes S S S S S S 22.4
Deep draft – – – – – – –
Air (includes truck and air) S S S S S S 21.8
Pipeline – – – – S S S
Multiple modes S S 29.3 - 41.0 0.8 17.9
Parcel, U.S.P.S. or courier S S S S S S 27.5
Truck and rail 31.7 – 33.3 – 44.3 0.3 18.8
Truck and water S S 47.8 – S S 20.4
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes 24.1 0.8 29.0 1.1 38.2 0.9 34.5

SCTG 12, Gravel and crushed stone

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 6.7 – 9.0 – 10.5 – 7.6
Single modes 6.9 0.5 9.3 0.5 10.1 1.0 7.6
Truck 7.7 1.2 9.9 1.3 9.2 3.5 7.6
For-hire truck 8.5 2.0 11.8 1.6 10.1 1.8 8.4
Private truck 9.4 2.5 10.0 2.0 11.2 2.4 8.3
Rail 12.6 0.9 15.9 0.7 13.6 2.6 13.9
Water 17.6 0.5 21.3 0.9 20.2 2.8 26.1
Shallow draft 24.0 0.5 29.9 0.8 28.1 2.6 30.0
Great Lakes 38.9 0.2 39.4 0.5 39.9 1.9 17.8
Deep draft S S S S 46.3 0.2 27.5
Air (includes truck and air) – – – – – – –
Pipeline – – – – S S S
Multiple modes 34.6 0.1 47.1 0.1 S S S
Parcel, U.S.P.S. or courier S S S S S S 21.8
Truck and rail S S S S S S 23.2
Truck and water 46.0 – 40.1 – 39.1 0.3 47.4
Rail and water S S S S S S 19.4
Other multiple modes S S S S S S S
Other and unknown modes 23.1 0.5 20.0 0.5 20.0 0.4 S

SCTG 13, Nonmetallic minerals n.e.c

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 11.5 – 11.9 – 18.7 – 15.9
Single modes 11.8 0.8 12.1 0.4 18.9 0.7 14.6
Truck 13.8 3.2 16.7 4.4 23.1 4.2 14.6
For-hire truck 15.0 4.0 18.6 3.8 26.5 4.1 16.6
Private truck 27.5 3.2 13.4 2.5 22.7 1.4 22.5
Rail 15.4 2.7 21.2 3.4 28.5 4.2 11.0
Water 40.3 0.7 48.0 2.2 43.4 2.4 20.6
Shallow draft S S S S S S 21.1
Great Lakes S S S S S S 21.0
Deep draft – – – – – – –
Air (includes truck and air) S S S S S S 21.2
Pipeline 38.8 0.5 27.0 0.3 S S S
Multiple modes 17.9 0.3 41.1 0.2 36.1 0.3 16.6
Parcel, U.S.P.S. or courier 24.3 0.2 19.7 – 17.2 - 17.2
Truck and rail 29.9 0.2 29.8 0.1 26.5 0.3 14.7
Truck and water S S S S S S 21.6
Rail and water S S S S S S 22.4
Other multiple modes – – – – – – –
Other and unknown modes 26.8 0.7 35.9 0.4 39.7 0.7 45.9

SCTG 14, Metallic ores and concentrates

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 14.0 – 12.4 – 18.1 – 7.9
Single modes 17.3 5.2 14.3 7.6 18.2 9.8 8.8
Truck 20.3 6.1 28.1 4.1 30.1 5.7 9.4
For-hire truck 21.7 4.7 33.9 4.0 34.7 5.1 8.5
Private truck 31.1 4.8 43.5 0.7 39.5 1.2 18.8
Rail 26.5 2.9 16.4 6.2 23.8 6.1 11.9
Water S S S S S S 23.1
Shallow draft S S S S S S 22.4
Great Lakes S S S S S S 21.8
Deep draft – – – – – – –
Air (includes truck and air) S S S S S S 19.5
Pipeline – – – – S S S
Multiple modes 22.5 5.5 25.0 8.1 26.8 10.4 26.8
Parcel, U.S.P.S. or courier 48.0 0.2 S S S S 35.1
Truck and rail S S S S S S 19.5
Truck and water S S S S S S 21.6
Rail and water 27.4 4.8 25.5 8.5 27.3 11.2 15.6
Other multiple modes S S S S S S 21.9
Other and unknown modes 33.9 1.6 S S S S S

SCTG 15, Coal.

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 – 8.8 – 16.8 – 8.4
Single modes 8.4 2.0 8.6 2.6 13.2 1.7 9.5
Truck 12.6 2.0 12.6 2.0 29.4 0.8 11.5
For-hire truck 13.6 1.4 13.6 1.2 33.7 0.3 11.4
Private truck 25.1 1.2 25.5 1.3 S S 16.1
Rail 10.9 2.4 10.8 2.6 13.8 1.9 7.5
Water 20.6 1.1 23.1 0.9 28.9 0.6 23.8
Shallow draft 20.6 1.1 23.1 0.9 28.9 0.6 23.8
Great Lakes – – – – – – –
Deep draft – – – – – – –
Air (includes truck and air) S S S S S S 24.8
Pipeline S S S S S S S
Multiple modes 19.9 0.8 39.3 0.9 S S 36.1
Parcel, U.S.P.S. or courier S S S S S S 22.4
Truck and rail 27.6 0.2 27.1 0.1 31.6 0.2 19.2
Truck and water S S S S 45.7 – S
Rail and water 26.4 0.8 46.6 0.9 S S 23.5
Other multiple modes S S S S S S 37.9
Other and unknown modes 18.6 2.0 22.9 2.7 37.6 0.3 S

SCTG 17, Gasoline and aviation turbine fuel.

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 4.4 – 5.0 – 9.8 – 10.1
Single modes 4.5 0.4 5.1 0.3 10.1 1.5 10.2
Truck 5.8 2.4 6.8 2.5 14.6 4.2 10.6
For-hire truck 7.4 1.4 8.7 1.5 24.0 3.1 23.0
Private truck 7.4 2.1 8.3 2.1 15.8 2.4 12.1
Rail 31.4 0.2 33.5 0.2 43.5 1.5 27.7
Water 22.5 1.2 22.1 1.5 21.6 4.7 S
Shallow draft 32.6 0.8 32.2 1.0 30.5 1.4 36.0
Great Lakes – – – – – – –
Deep draft 27.6 0.8 27.9 1.1 26.0 4.9 35.5
Air (includes truck and air) S S S S S S 21.8
Pipeline 8.9 2.1 8.7 2.1 S S S
Multiple modes S S S S 45.2 0.8 19.9
Parcel, U.S.P.S. or courier S S S S S S 23.0
Truck and rail S S S S S S 22.4
Truck and water 45.5 – 45.6 – S S 18.8
Rail and water – – – – – – –
Other multiple modes S S S S S S S
Other and unknown modes 40.0 0.3 35.9 0.3 S S 40.6

SCTG 18, Fuel 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 6.0 – 6.0 – 10.1 – 13.5
Single modes 6.1 0.9 6.3 1.0 10.1 3.0 12.7
Truck 5.3 1.9 5.5 1.9 13.3 4.4 12.8
For-hire truck 7.6 1.2 8.0 1.2 27.8 2.8 27.8
Private truck 7.3 2.1 7.5 1.8 15.8 3.6 12.1
Rail 29.5 0.2 30.6 0.3 38.0 2.0 12.9
Water 22.0 2.0 20.2 2.2 19.9 3.3 S
Shallow draft 27.1 2.1 24.7 2.2 29.0 2.9 S
Great Lakes – – – – – – –
Deep draft 22.7 0.6 23.6 0.7 27.2 2.1 19.0
Air (includes truck and air) – – – – – – –
Pipeline 11.6 1.9 11.8 2.1 S S S
Multiple modes S S S S 46.4 3.0 34.4
Parcel, U.S.P.S. or courier 48.7 – S S S S 31.0
Truck and rail – – – – – – –
Truck and water S S S S S S 19.8
Rail and water – – – – – – –
Other multiple modes S S S S S S S
Other and unknown modes 32.5 0.3 35.1 0.3 32.0 – 47.5

SCTG 19, Coal and petroleum products, n.e.c.

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 7.5 – 10.2 – 11.1 – 24.7
Single modes 7.7 0.6 10.6 0.8 11.2 2.0 24.9
Truck 9.4 2.7 16.4 4.3 18.2 3.1 27.2
For-hire truck 12.8 2.4 16.4 2.2 19.8 2.2 19.7
Private truck 10.7 2.4 18.1 3.3 17.8 1.2 6.8
Rail 15.0 1.8 15.0 2.8 13.9 4.3 2.7
Water 14.3 1.4 14.7 1.7 33.9 4.5 17.4
Shallow draft 18.2 1.4 18.5 1.7 26.8 2.8 20.8
Great Lakes S S S S S S 21.8
Deep draft 31.3 0.9 36.1 1.2 S S 20.9
Air (includes truck and air) 47.9 – S S 46.7 – 18.0
Pipeline 16.3 1.4 14.1 1.5 S S S
Multiple modes 22.5 0.5 33.6 0.5 40.0 1.9 16.9
Parcel, U.S.P.S. or courier 30.8 0.3 38.5 – 39.0 – 17.2
Truck and rail S S S S 46.7 0.3 37.8
Truck and water 41.7 0.1 S S S S 18.9
Rail and water S S S S S S 22.4
Other multiple modes S S S S S S S
Other and unknown modes 27.6 0.3 26.8 0.6 S S 32.6

SCTG 20, Basic chemicals

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 7.7 – 12.6 – 10.8 – 15.3
Single modes 7.1 1.1 12.4 0.3 10.6 2.0 18.6
Truck 7.9 2.7 12.4 3.5 9.0 2.2 14.3
For-hire truck 10.1 2.7 13.6 2.9 9.3 2.1 7.8
Private truck 10.7 1.6 16.6 2.5 24.4 1.4 24.8
Rail 13.2 1.4 13.6 1.9 17.1 3.4 4.1
Water 12.6 1.1 11.2 1.6 10.4 1.6 13.2
Shallow draft 13.0 0.9 12.5 1.4 11.0 1.5 18.3
Great Lakes – – – – – – –
Deep draft 33.9 0.6 22.9 0.7 43.4 0.7 32.4
Air (includes truck and air) 43.1 0.2 S S S S 9.1
Pipeline 21.8 1.8 35.8 3.6 S S S
Multiple modes 26.3 0.8 26.1 0.2 44.7 1.2 16.4
Parcel, U.S.P.S. or courier 20.9 0.5 30.4 – 26.7 - 17.0
Truck and rail 21.2 0.2 24.4 – 24.6 0.2 16.6
Truck and water S S 48.5 0.2 S S 23.3
Rail and water S S S S S S 29.8
Other multiple modes 41.3 – S S S S S
Other and unknown modes 37.0 0.5 38.9 0.2 S S 19.8

SCTG 21, Pharmaceutical 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 9.5 - 16.7 – 21.0 – 5.7
Single modes 12.4 2.8 12.1 4.8 14.1 5.5 13.9
Truck 13.1 2.8 11.7 4.6 11.3 5.6 11.1
For-hire truck 15.3 2.9 14.9 4.2 12.3 5.3 10.4
Private truck 13.8 1.5 15.1 3.1 20.6 1.6 10.1
Rail 38.2 – S S S S 18.9
Water S S S S S S 22.4
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 22.4
Air (includes truck and air) 12.0 0.5 29.2 0.2 17.1 0.5 4.8
Pipeline – – – – S S S
Multiple modes 9.5 2.8 11.7 0.9 14.9 1.2 5.2
Parcel, U.S.P.S. or courier 9.6 2.8 11.8 0.8 15.2 1.2 5.2
Truck and rail S S S S S S 21.8
Truck and water S S S S S S 17.5
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.4
Other and unknown modes 34.8 0.5 S S S S 19.8

SCTG 22, Fertilizers

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 16.9 – 30.2 – 24.7 – 28.4
Single modes 17.1 0.8 30.6 0.9 25.2 1.3 28.9
Truck 20.2 3.7 26.8 3.6 47.2 6.1 29.1
For-hire truck 20.1 4.8 30.2 4.2 S S 14.0
Private truck 32.8 4.4 32.0 3.8 24.0 1.6 34.5
Rail 25.4 3.6 45.3 4.0 23.4 5.2 S
Water 33.2 1.5 30.0 2.1 33.3 4.4 17.7
Shallow draft 40.7 1.3 34.7 1.7 36.7 3.7 18.1
Great Lakes – – – – – – –
Deep draft S S S S S S 22.0
Air (includes truck and air) S S S S S S 25.2
Pipeline 47.4 0.7 43.9 0.8 S S S
Multiple modes S S S S S S 25.5
Parcel, U.S.P.S. or courier S S S S S S 24.0
Truck and rail S S S S S S 20.9
Truck and water S S S S S S 19.9
Rail and water S S S S S S 22.4
Other multiple modes S S S S S S S
Other and unknown modes 34.2 0.5 35.6 0.7 S S S

SCTG 23, Chemical products and preparations, n.e.c

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 5.0 – 5.1 – 7.9 – 7.2
Single modes 5.5 0.9 5.2 0.5 8.1 0.9 11.2
Truck 5.8 1.1 5.8 1.0 9.1 1.9 11.9
For-hire truck 7.9 2.4 8.1 3.0 10.0 2.7 4.9
Private truck 7.8 1.9 11.6 2.3 24.1 1.6 17.1
Rail 22.9 0.6 14.7 0.9 16.1 2.1 19.5
Water S S 45.4 0.2 46.6 0.1 S
Shallow draft S S 38.8 – S S S
Great Lakes – – – – – – –
Deep draft S S S S S S S
Air (includes truck and air) 23.3 0.1 S S S S 9.7
Pipeline S S S S S S S
Multiple modes 8.0 0.9 14.7 0.4 17.5 0.9 7.1
Parcel, U.S.P.S. or courier 10.2 1.0 24.1 0.3 13.7 0.2 7.2
Truck and rail 21.0 0.3 24.1 0.4 22.6 1.0 11.1
Truck and water 26.0 – 29.6 – 33.1 – 32.1
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.4
Other and unknown modes 18.8 0.3 20.0 0.3 25.3 0.2 38.3

SCTG 24, Plastics and rubber.

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 3.6 – 4.0 – 5.2 – 6.1
Single modes 4.0 0.5 4.2 0.3 5.5 0.7 6.3
Truck 4.0 0.5 4.5 1.2 7.1 2.1 4.5
For-hire truck 5.4 1.3 5.6 1.6 7.3 2.0 4.0
Private truck 4.9 1.2 5.9 1.0 15.5 0.7 9.1
Rail 8.9 0.4 6.9 1.2 8.6 2.2 6.1
Water S S S S S S S
Shallow draft S S S S S S 36.6
Great Lakes – – – – – – –
Deep draft S S S S S S S
Air (includes truck and air) 24.4 0.2 13.4 – 18.8 – 5.6
Pipeline S S S S S S S
Multiple modes 5.0 0.4 6.0 0.1 9.2 0.3 4.9
Parcel, U.S.P.S. or courier 5.7 0.4 7.3 – 11.9 0.1 4.9
Truck and rail 18.6 – 16.3 – 16.6 0.3 4.8
Truck and water 36.7 – 31.8 – 37.7 – 21.1
Rail and water S S S S S S 22.4
Other multiple modes S S S S S S S
Other and unknown modes 10.7 0.3 13.6 0.3 29.7 0.5 13.1

SCTG 25, Logs and other wood in the rough

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 24.2 - S S 34.4 – S
Single modes 26.6 5.0 S S 37.3 5.2 S
Truck 28.4 6.2 S S 39.9 6.3 S
For-hire truck 32.8 7.1 S S 40.4 7.7 42.4
Private truck 42.2 4.7 S S S S 28.6
Rail 40.6 3.3 S S 44.8 4.1 28.1
Water S S S S S S 22.4
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 22.4
Air (includes truck and air) S S S S S S 22.4
Pipeline – – – – S S S
Multiple modes 39.1 1.0 S S 42.7 2.9 27.7
Parcel, U.S.P.S. or courier 45.2 - S S S S 20.5
Truck and rail 41.8 1.0 S S 46.7 2.9 19.0
Truck and water S S S S S S 21.2
Rail and water – – – – – – –
Other multiple modes S S S S S S S
Other and unknown modes 42.7 4.3 40.7 4.5 49.5 3.2 36.8

SCTG 26, Wood 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 8.4 – 9.2 – 11.7 – 10.5
Single modes 8.7 0.5 9.7 0.9 12.0 1.2 6.3
Truck 9.5 1.0 7.5 2.1 10.0 3.2 6.4
For-hire truck 12.7 1.6 11.4 2.3 11.7 2.6 6.0
Private truck 8.0 1.4 7.4 2.7 8.0 1.1 11.4
Rail 13.0 1.0 31.3 2.0 19.6 3.6 9.2
Water 36.8 – 42.7 – S S 34.1
Shallow draft S S S S S S 22.2
Great Lakes – – – – – – –
Deep draft 39.6 – 49.0 – S S 35.8
Air (includes truck and air) S S 36.7 – 43.7 - 9.8
Pipeline S S S S S S S
Multiple modes 13.8 0.2 24.3 0.2 24.1 1.0 6.5
Parcel, U.S.P.S. or courier 22.2 0.2 25.0 – 35.3 – 6.8
Truck and rail 19.1 0.1 33.6 0.2 21.7 0.5 9.5
Truck and water 42.4 – 46.8 0.1 S S 17.1
Rail and water – – – – – – –
Other multiple modes S S S S S S 21.8
Other and unknown modes 16.4 0.3 20.3 0.8 15.1 0.2 24.8

SCTG 27, Pulp, newsprint, paper, and paperboard

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 5.2 – 6.2 – 7.4 – 10.4
Single modes 5.3 0.3 6.3 0.3 7.6 0.6 10.3
Truck 5.8 1.0 7.6 1.3 9.9 1.6 10.3
For-hire truck 7.1 1.6 8.2 1.5 10.1 1.6 7.6
Private truck 8.2 1.7 11.1 1.4 17.4 0.7 11.0
Rail 6.3 0.9 5.5 1.2 6.3 1.3 2.8
Water S S S S S S 44.5
Shallow draft S S S S S S 22.3
Great Lakes – – – – – – –
Deep draft S S S S S S 43.9
Air (includes truck and air) 30.6 – 49.5 – 35.5 – 10.1
Pipeline – – – – S S S
Multiple modes 9.5 0.2 17.0 0.2 18.7 0.5 11.2
Parcel, U.S.P.S. or courier 15.0 0.2 17.3 – 20.1 – 11.4
Truck and rail 14.6 0.1 20.0 0.2 18.9 0.4 8.9
Truck and water 49.6 – 45.4 – 40.0 0.1 25.1
Rail and water S S S S S S 22.0
Other multiple modes S S S S S S S
Other and unknown modes 16.5 0.2 17.4 0.2 24.1 0.3 30.5

SCTG 28, Paper or paperboard articles.

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 4.0 – 5.2 – 8.5 – 9.5
Single modes 4.0 1.0 5.2 0.7 8.9 1.2 8.8
Truck 4.2 1.0 5.4 0.8 9.3 1.7 6.8
For-hire truck 6.6 2.5 7.4 2.9 8.8 2.0 4.5
Private truck 6.8 2.3 8.6 2.6 11.4 1.1 6.7
Rail 28.2 0.2 33.6 0.5 29.8 1.3 15.4
Water S S S S 45.1 – 45.1
Shallow draft S S S S S S 25.8
Great Lakes – – – – – – –
Deep draft S S 49.9 – S S 40.6
Air (includes truck and air) 37.5 – 44.0 – 38.6 – 13.3
Pipeline S S S S S S S
Multiple modes 11.9 0.5 17.5 0.3 17.7 1.0 7.6
Parcel, U.S.P.S. or courier 9.4 0.4 16.1 0.1 12.4 0.1 7.6
Truck and rail 30.4 0.3 30.9 0.2 22.7 1.0 8.5
Truck and water 38.3 – S S S S 16.1
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.4
Other and unknown modes 26.5 0.6 29.8 0.5 25.9 0.4 31.1

SCTG 29, Printed 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 7.6 – 8.1 – 8.5 – 3.9
Single modes 8.8 1.6 8.4 2.0 9.2 2.0 12.2
Truck 9.1 1.6 7.9 2.0 8.4 2.1 14.8
For-hire truck 8.6 1.7 9.4 2.8 8.8 2.5 6.3
Private truck 13.5 1.8 14.0 2.4 27.0 1.5 39.2
Rail 38.6 – S S S S 16.2
Water S S S S S S 22.8
Shallow draft S S S S S S 21.8
Great Lakes – – – – – – –
Deep draft S S S S S S 21.6
Air (includes truck and air) 38.3 0.8 37.1 0.4 34.1 0.9 5.6
Pipeline S S S S S S S
Multiple modes 8.6 1.6 11.0 0.7 14.2 1.2 3.2
Parcel, U.S.P.S. or courier 8.6 1.6 11.7 0.7 15.8 1.1 3.2
Truck and rail 24.9 – S S S S 15.4
Truck and water S S S S S S 20.3
Rail and water –   – – – – –
Other multiple modes S S S S S S S
Other and unknown modes 7.1 0.5 39.0 2.1 27.5 1.8 29.5

SCTG 30, Textiles, leather, and articles of textiles or leather

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 5.4 – 7.5 – 10.5 – 2.4
Single modes 6.6 1.8 6.6 2.1 6.2 3.8 6.9
Truck 6.7 1.8 6.8 2.2 6.5 3.9 7.4
For-hire truck 6.6 2.2 7.2 2.1 7.2 3.6 4.4
Private truck 19.9 2.2 9.7 1.9 12.7 1.6 18.8
Rail 38.5 – S S 45.5 0.6 14.8
Water 47.6 – 31.8 - S S 23.6
Shallow draft S S S S S S S
Great Lakes – – – – – – –
Deep draft 49.9 – 36.0 – S S 20.4
Air (includes truck and air) 13.7 – 47.6 0.1 S S 6.1
Pipeline S S S S S S S
Multiple modes 8.0 1.3 27.4 2.0 S S 2.2
Parcel, U.S.P.S. or courier 6.1 1.0 6.2 0.4 7.0 0.7 2.2
Truck and rail 42.4 - S S S S 12.3
Truck and water S S S S S S 11.3
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.1
Other and unknown modes 24.3 1.3 44.8 1.2 23.7 0.8 17.1

SCTG 31, Nonmetallic mineral 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 7.0 – 9.0 – 11.9 – 9.5
Single modes 7.1 0.5 9.1 0.7 12.1 0.8 20.4
Truck 7.2 1.3 9.4 1.2 11.3 3.3 21.2
For-hire truck 9.9 2.5 11.1 2.9 12.3 3.3 17.0
Private truck 9.1 2.5 14.4 3.5 22.5 3.2 28.8
Rail 48.1 1.3 22.2 0.7 32.7 3.3 8.0
Water 32.9 0.1 36.4 0.5 34.3 0.8 S
Shallow draft 28.8 – 29.9 0.2 32.4 0.6 16.4
Great Lakes S S S S S S 21.2
Deep draft S S S S S S S
Air (includes truck and air) 34.7 0.1 39.0 – S S 9.5
Pipeline S S S S S S S
Multiple modes 11.4 0.5 20.2 0.1 16.5 0.5 4.6
Parcel, U.S.P.S. or courier 11.8 0.5 16.8 – 20.6 - 4.6
Truck and rail 19.8 – 23.5 – 27.0 0.3 20.0
Truck and water 41.2 – S S 28.5 0.2 46.4
Rail and water S S S S S S 22.4
Other multiple modes S S S S S S S
Other and unknown modes 16.5 0.3 37.5 0.7 28.4 0.5 38.7

SCTG 32, Base metal in primary or semifinished forms and in finished basic shapes

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 5.0 – 6.3 – 6.0 – 10.2
Single modes 5.1 0.6 6.5 1.0 6.9 2.2 5.8
Truck 5.2 0.7 6.9 1.2 7.4 2.1 6.0
For-hire truck 5.8 1.6 5.7 2.1 5.4 2.2 4.1
Private truck 8.0 1.4 14.3 2.1 25.3 1.8 7.7
Rail 7.6 0.4 7.7 0.9 9.9 1.9 5.5
Water 31.8 0.1 31.3 0.8 32.5 2.1 14.2
Shallow draft 39.1 0.2 43.2 0.5 S S 19.3
Great Lakes 46.9 – 46.9 0.7 47.0 1.5 20.5
Deep draft S S S S S S 20.7
Air (includes truck and air) 13.9 – 44.7 – 45.1 – 6.4
Pipeline S S S S S S S
Multiple modes 15.7 0.5 42.1 0.7 40.9 2.1 8.7
Parcel, U.S.P.S. or courier 15.4 0.3 32.6 – 29.9 – 8.7
Truck and rail 21.3 – 30.6 – 33.6 0.3 9.2
Truck and water S S S S S S 29.4
Rail and water S S S S S S 22.4
Other multiple modes S S S S S S S
Other and unknown modes 19.7 0.5 32.2 0.7 22.6 0.5 16.5

SCTG 33, Articles of base metal.

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 3.9 – 9.5 – 7.0 – 5.6
Single modes 4.5 1.3 9.8 0.5 7.0 0.7 5.7
Truck 4.9 1.5 10.7 1.9 6.0 2.8 5.8
For-hire truck 5.9 1.5 15.1 3.1 6.9 2.5 5.4
Private truck 5.5 1.3 11.7 2.9 9.4 1.3 6.3
Rail 18.4 0.3 27.7 1.4 35.6 2.6 18.7
Water S S 39.9 0.1 35.4 0.4 17.7
Shallow draft S S 42.2 0.1 41.9 0.4 26.3
Great Lakes – – – – – – –
Deep draft S S S S S S 19.9
Air (includes truck and air) 25.5 0.3 33.6 – 41.3 0.2 3.9
Pipeline S S S S S S S
Multiple modes 6.9 1.2 8.3 0.1 12.8 0.3 5.8
Parcel, U.S.P.S. or courier 7.1 1.3 6.1 0.1 8.2 0.2 5.8
Truck and rail 23.1 – 30.5 – 43.2 0.2 15.5
Truck and water 38.1 – S S 42.7 0.1 21.7
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.2
Other and unknown modes 16.8 0.5 15.8 0.4 23.0 0.6 26.4

SCTG 34, Machinery

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 5.7 – 7.7 – 9.0 – 6.6
Single modes 6.4 1.0 8.1 0.8 9.2 1.1 7.7
Truck 6.3 1.1 8.4 1.1 9.7 1.7 8.0
For-hire truck 8.0 1.3 11.0 2.0 10.5 1.9 4.7
Private truck 5.5 1.1 7.0 1.6 13.6 1.2 6.9
Rail 15.4 0.3 18.3 0.7 16.0 1.0 6.8
Water 47.4 – S S S S 20.6
Shallow draft S S S S S S 40.5
Great Lakes – – – – – – –
Deep draft 44.2 – 37.8 – S S 20.7
Air (includes truck and air) 16.4 0.2 15.5 – 19.5 0.1 4.1
Pipeline S S S S S S S
Multiple modes 5.7 0.8 11.4 0.4 19.4 1.0 5.4
Parcel, U.S.P.S. or courier 5.2 0.8 5.7 0.2 11.5 0.4 5.4
Truck and rail 17.7 0.1 28.0 0.3 33.0 0.8 6.6
Truck and water S S 48.6 – 48.2 0.3 14.6
Rail and water – – – – – – –
Other multiple modes S S S S S S 21.4
Other and unknown modes 12.3 0.4 19.8 0.9 25.6 0.9 24.1

SCTG 35, Electronic and other electrical equipment and components and office equipment

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 5.6 – 9.7 – 11.9 – 4.9
Single modes 6.8 2.0 10.7 1.2 14.2 1.9 11.5
Truck 8.1 2.4 10.5 1.1 14.4 1.9 12.2
For-hire truck 8.8 2.3 13.7 3.3 15.0 2.0 5.3
Private truck 8.8 1.2 17.4 3.1 16.4 0.8 13.5
Rail 33.7 0.1 S S 42.6 0.5 13.9
Water S S S S 43.7 – S
Shallow draft S S S S S S 21.5
Great Lakes – – – – – – –
Deep draft S S S S 43.4 – S
Air (includes truck and air) 8.9 1.0 15.4 0.2 11.7 0.4 3.5
Pipeline S S S S S S S
Multiple modes 7.3 1.8 8.9 1.0 11.1 1.8 2.8
Parcel, U.S.P.S. or courier 7.2 1.8 8.7 0.8 8.9 1.1 2.8
Truck and rail 29.4 – 33.5 0.3 35.0 1.2 10.4
Truck and water S S 32.4 – 43.0 0.2 12.1
Rail and water – – – – – – –
Other multiple modes S S S S S S S
Other and unknown modes 14.0 0.6 15.1 0.6 21.5 0.8 21.8

SCTG 36, Motorized and other vehicles (including parts).

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 8.3 – 7.6 – 10.1 – 12.3
Single modes 9.9 1.7 8.8 2.3 10.9 1.5 24.1
Truck 9.0 2.0 8.0 2.5 8.7 2.6 10.4
For-hire truck 12.5 2.7 8.2 2.8 9.1 2.0 6.0
Private truck 10.3 2.2 19.5 2.8 12.5 1.3 8.0
Rail 22.3 1.4 23.8 1.4 23.2 2.6 6.7
Water S S S S S S 23.7
Shallow draft S S S S S S 21.6
Great Lakes – – – – – – -
Deep draft S S S S S S 30.7
Air (includes truck and air) 16.8 – 19.6 – 18.4 – 6.3
Pipeline S S S S S S S
Multiple modes 13.9 1.0 14.2 0.5 16.7 1.2 4.2
Parcel, U.S.P.S. or courier 9.6 0.3 10.9 0.1 10.8 0.2 4.2
Truck and rail 23.4 1.0 19.1 0.5 19.7 1.2 8.0
Truck and water 41.9 – 45.3 – 36.5 – 17.0
Rail and water – – – – – – –
Other multiple modes S S S S S S 21.4
Other and unknown modes 10.6 1.2 28.0 2.2 21.1 0.7 40.4

SCTG 37, Transportation equipment, n.e.c.

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 23.3 – 40.9 – 41.7 - 5.0
Single modes 26.2 2.0 41.5 1.5 42.2 1.2 6.6
Truck 19.3 5.1 44.4 5.8 41.4 6.6 10.1
For-hire truck 12.3 3.7 41.4 6.2 37.2 6.8 6.1
Private truck 43.3 4.4 S S S S 26.8
Rail 31.3 1.9 S S S S 32.7
Water S S S S S S 21.1
Shallow draft S S S S S S 22.0
Great Lakes – – – – – – –
Deep draft S S S S S S 22.3
Air (includes truck and air) 48.3 6.5 37.4 2.4 S S 3.0
Pipeline S S S S S S S
Multiple modes 10.8 1.9 14.3 0.4 13.2 0.6 4.8
Parcel, U.S.P.S. or courier 10.9 1.8 14.8 0.3 13.0 0.4 4.8
Truck and rail S S S S S S 21.0
Truck and water S S S S S S 31.4
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes 25.5 0.5 45.8 1.3 S S 27.6

SCTG 38, Precision instruments and apparatus

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 7.9 – 18.3 – 12.6 – 8.0
Single modes 9.2 2.9 18.9 1.6 14.5 2.6 12.8
Truck 9.4 3.0 19.1 2.1 15.6 3.5 18.1
For-hire truck 9.9 2.8 27.9 7.5 20.6 5.4 9.0
Private truck 17.1 1.3 24.3 8.8 33.2 5.5 33.3
Rail S S S S S S 22.4
Water S S S S S S 22.4
Shallow draft S S S S S S 22.4
Great Lakes – – – – – – –
Deep draft S S S S S S 22.4
Air (includes truck and air) 21.4 2.4 25.0 0.7 30.9 1.8 7.2
Pipeline S S S S S S S
Multiple modes 11.3 3.0 14.7 1.5 15.9 2.5 8.3
Parcel, U.S.P.S. or courier 11.3 3.0 14.7 1.5 16.2 2.5 8.3
Truck and rail S S 43.4 - 44.8 0.1 20.9
Truck and water S S S S S S S
Rail and water – – – – – – –
Other multiple modes – – – – – – –
Other and unknown modes 20.8 0.5 29.5 0.2 30.0 0.9 19.4

SCTG 39, Furniture, mattresses and mattress supports, lamps, lighting fittings, and

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 6.2 – 11.8 – 6.4 – 6.2
Single modes 5.9 0.9 11.8 0.9 6.8 0.9 5.5
Truck 6.0 1.0 11.9 1.1 6.7 1.0 6.2
For-hire truck 5.4 3.1 9.8 4.1 7.1 2.1 2.8
Private truck 11.9 2.6 22.6 3.9 15.0 2.2 11.7
Rail 34.0 – S S 48.5 0.5 21.2
Water S S S S S S 21.3
Shallow draft – – – – – – –
Great Lakes – – – – – – –
Deep draft S S S S S S 21.3
Air (includes truck and air) 26.7 0.1 27.4 – 25.4 – 9.8
Pipeline – – – – – S S
Multiple modes 14.8 0.6 17.2 0.3 20.3 0.9 6.0
Parcel, U.S.P.S. or courier 16.1 0.6 18.0 0.2 16.7 0.4 6.1
Truck and rail 29.7 0.1 34.5 0.2 37.5 0.7 14.6
Truck and water 41.8 – 43.8 – 37.8 0.1 20.4
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.4
Other and unknown modes 49.0 0.8 S S 29.8 0.4 20.5

SCTG 40, Miscellaneous manufactured 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 5.4 – 10.5 – 7.7 – 4.3
Single modes 6.4 1.9 9.8 1.3 7.8 0.8 8.4
Truck 6.7 2.0 10.0 2.0 8.0 1.9 6.9
For-hire truck 8.1 2.0 8.8 2.4 8.7 2.1 3.2
Private truck 11.9 2.0 16.9 3.0 13.2 1.4 9.8
Rail 34.5 0.1 29.5 0.2 29.7 0.6 12.6
Water S S S S S S S
Shallow draft S S S S S S 33.2
Great Lakes S S S S S S 22.4
Deep draft 39.0 – 44.5 – S S S
Air (includes truck and air) 18.4 0.5 23.7 – 33.7 0.2 4.2
Pipeline S S S S S S S
Multiple modes 9.4 1.9 8.4 0.4 7.3 0.7 3.9
Parcel, U.S.P.S. or courier 9.5 1.9 7.9 0.3 7.8 0.6 3.9
Truck and rail 30.7 – 28.3 – 38.8 0.3 11.0
Truck and water S S S S S S 14.2
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.1
Other and unknown modes 8.1 0.4 36.5 1.5 24.6 0.6 16.6

SCTG 41, Waste and scrap

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 14.4 – 16.8 – 25.8 – 10.5
Single modes 14.5 2.8 16.8 1.2 28.7 3.5 9.2
Truck 12.9 3.9 13.4 5.2 14.5 6.0 9.6
For-hire truck 15.0 3.9 18.4 4.5 16.8 4.8 12.7
Private truck 17.5 3.3 17.8 4.5 19.5 3.4 16.2
Rail 31.6 3.2 30.3 5.0 28.1 4.8 23.7
Water S S S S S S 20.9
Shallow draft S S S S S S 21.1
Great Lakes – – – – – – –
Deep draft S S S S S S S
Air (includes truck and air) S S S S S S 21.3
Pipeline – – – – S S S
Multiple modes S S S S 24.7 3.5 20.5
Parcel, U.S.P.S. or courier S S S S S S 21.7
Truck and rail S S S S 27.0 3.1 25.6
Truck and water S S 44.9 – 44.6 0.3 21.6
Rail and water S S S S S S 21.8
Other multiple modes S S S S S S 21.8
Other and unknown modes 44.8 0.3 34.9 0.9 S S S

SCTG 43, Mixed freight.

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 3.6 – 5.6 – 5.0 – 7.9
Single modes 3.6 0.6 5.7 0.5 4.8 1.1 7.5
Truck 3.6 0.6 5.7 0.6 4.7 1.7 7.5
For-hire truck 7.4 1.4 16.5 2.2 8.6 2.1 9.3
Private truck 4.2 1.8 4.2 2.2 4.9 2.4 6.5
Rail 41.5 0.1 40.5 0.1 48.7 1.1 11.3
Water S S 42.4 – S S 18.5
Shallow draft S S S S S S 21.1
Great Lakes S S S S S S 22.4
Deep draft S S 44.2 – S S 19.3
Air (includes truck and air) 34.0 – S S 39.5 0.1 5.3
Pipeline S S S S S S S
Multiple modes 11.9 0.5 27.0 0.3 13.9 0.6 5.8
Parcel, U.S.P.S. or courier 11.2 0.4 31.2 0.2 14.2 0.2 5.8
Truck and rail 42.1 0.1 39.1 – 28.0 0.3 17.0
Truck and water 31.8 – S S 41.1 0.4 16.9
Rail and water S S S S S S 20.5
Other multiple modes S S S S S S S
Other and unknown modes 14.5 0.2 22.4 0.4 34.9 0.9 16.5

Commodity unknown

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 9.9 – 22.3 – 41.7 – 8.8
Single modes 11.0 3.5 24.1 3.5 43.4 1.8 13.3
Truck 8.3 4.1 24.8 6.0 S S 13.7
For-hire truck 11.6 3.6 42.8 3.9 S S 10.3
Private truck 11.6 3.0 14.5 4.6 18.3 2.9 17.1
Rail 31.2 1.4 26.8 4.0 29.7 6.7 13.5
Water S S S S 47.3 5.3 S
Shallow draft S S S S 47.3 5.3 S
Great Lakes – – – – – – –
Deep draft S S S S S S 22.4
Air (includes truck and air) 23.1 0.4 30.1 – 31.9 0.1 7.0
Pipeline S S S S S S S
Multiple modes 33.2 3.2 28.0 0.4 28.2 1.2 9.5
Parcel, U.S.P.S. or courier 36.4 3.0 27.5 0.1 29.7 0.2 9.5
Truck and rail S S 39.4 0.3 35.9 1.1 17.0
Truck and water S S S S S S 20.9
Rail and water – – – – – – –
Other multiple modes S S S S S S 22.4
Other and unknown modes 28.9 1.2 S S 41.2 1.4 45.3

KEY:
– Represents data cell equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality. CV Coefficient of variation of number.

NOTES: The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.
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