Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation for State of Origin: 2002

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 5.7 6.4 11.7 8.3
Single modes 5.9 1.6 6.8 1.1 13.2 3.6 7.7
Truck 5.7 1.7 7.8 2.1 11.6 4.6 8.0
For-hire truck 7.3 1.5 12.3 2.9 14.6 4.2 9.2
Private truck 5.7 1.7 9.3 2.9 9.0 1.5 8.0
Rail 8.6 0.1 20.9 3.2 29.3 5.2 12.6
Water S S 48.0 1.4 S S 33.7
Shallow draft S S 48.0 1.4 S S 28.8
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) 40.7 0.4 27.5 22.9 3.9
Pipeline 32.5 0.3 32.1 0.9 S S S
Multiple modes 13.1 1.3 34.1 0.8 34.9 3.5 6.3
Parcel, USPS or courier 13.3 1.3 16.1 17.9 0.2 6.3
Truck and rail 23.6 11.8 18.5 0.1 13.5
Truck and water S S S S S S 16.9
Rail and water 41.3 40.1 0.8 42.4 3.5 20.5
Other Multiple modes S S S S S S 31.6
Other and unknown modes 19.8 0.7 23.8 0.6 16.0 0.3 36.7

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
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 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 43.8 S S S S S
Single modes 45.4 10.3 S S S S 31.9
Truck 45.6 10.2 S S S S 32.0
For-hire truck 41.1 1.3 S S S S 34.8
Private truck 46.4 10.0 S S S S 33.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S S
Pipeline S S S
Multiple modes S S S S S S 28.5
Parcel, USPS or courier S S S S S S 28.5
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 22.8
Single modes S S S S S S 22.9
Truck S S S S S S 22.9
For-hire truck S S S S S S 36.4
Private truck S S S S S S 23.5
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 32.3
Parcel, USPS or courier S S S S S S 32.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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 40.9 49.3 S S S
Single modes 40.9 49.3 S S S
Truck 40.9 49.3 S S S
For-hire truck 32.4 7.7 29.6 8.1 45.4 10.6 S
Private truck 42.9 7.7 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 49.2 26.1
Parcel, USPS or courier S S S S 49.2 26.1
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 23.6 25.9 19.4 19.6
Single modes 24.3 2.2 26.9 2.8 22.6 7.5 20.9
Truck 24.4 2.1 27.1 2.8 23.5 7.0 19.8
For-hire truck 32.1 8.2 30.4 8.5 29.0 8.3 16.7
Private truck 47.7 8.1 S S 42.7 6.7 S
Rail S S S S S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 31.7 2.1 29.5 2.9 30.2 7.6 34.7
Parcel, USPS or courier S S S S S S 29.8
Truck and rail 31.8 2.1 29.6 2.9 30.2 7.6 20.2
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 47.3

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 17.4 20.1 18.2 42.9
Single modes 18.2 3.3 21.6 5.1 18.0 0.5 30.2
Truck 18.2 3.3 21.6 5.1 18.0 0.5 31.4
For-hire truck 20.7 6.2 18.6 9.5 19.5 5.3 S
Private truck 21.5 6.3 29.8 9.8 31.1 5.1 33.4
Rail
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 27.3
Parcel, USPS or courier S S S S S S 27.6
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 8, 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 42.2 41.3 S S 49.2
Single modes 42.2 41.3 S S 49.2
Truck 42.2 41.3 S S 49.2
For-hire truck S S S S S S 31.6
Private truck 38.0 7.4 42.8 6.7 S S S
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 9, 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 35.9 34.2 32.0 S
Single modes 26.3 5.9 27.7 4.3 32.9 2.0 S
Truck 26.3 5.9 27.7 4.3 32.9 2.0 S
For-hire truck S S S S S S 14.7
Private truck 30.8 10.6 35.0 11.3 38.5 12.8 37.1
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 19.2
Parcel, USPS or courier S S 33.4 0.2 36.4 0.5 19.5
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 31.6

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 36.3 41.9 37.7 23.8
Single modes 36.5 0.6 42.4 0.7 40.3 3.3 22.4
Truck 36.6 0.7 42.5 0.9 41.1 4.3 22.1
For-hire truck S S S S S S 36.7
Private truck S S 48.7 10.3 S S 23.7
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 27.9
Parcel, USPS or courier
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 S S S S 45.0 49.3
Single modes S S S S 45.0 S
Truck S S S S 49.7 7.4 49.7
For-hire truck 34.5 10.0 41.2 8.9 34.2 7.9 33.8
Private truck S S S S S S 34.7
Rail 41.2 1.3 41.3 2.1 42.2 7.3 25.9
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 31.1

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 25.7 24.9 19.9 8.5
Single modes 25.8 0.2 25.0 0.1 19.9 8.5
Truck 25.8 0.9 24.9 0.8 19.8 2.3 8.6
For-hire truck 41.8 6.4 35.6 4.8 29.5 6.1 10.1
Private truck 22.0 6.1 28.5 4.6 23.9 6.4 9.9
Rail 46.8 0.7 46.7 0.6 S S 26.0
Water S S S S S S 29.8
Shallow draft S S S S S S 29.8
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 29.3

SCTG 13, Nonmetallic minerals 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 33.3 S S S S S
Single modes 33.3 S S S S S
Truck 35.5 4.6 S S S S S
For-hire truck 44.3 10.5 S S S S S
Private truck 37.9 11.2 S S 45.2 13.7 S
Rail 41.4 4.6 41.7 3.7 43.8 12.3 26.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 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 S S S S S S 22.0
Single modes S S S S S S 23.8
Truck S S S S S S 24.6
For-hire truck S S S S S S 24.8
Private truck S S S S S S 30.4
Rail S S S S S S 29.8
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 29.2
Parcel, USPS or courier S S S S S S 29.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 18.1 18.5 26.4 S
Single modes 20.3 5.8 20.9 6.4 33.2 10.8 S
Truck 31.2 3.6 33.3 4.3 27.9 0.4 41.8
For-hire truck 44.3 2.8 43.1 2.9 32.5 0.4 43.9
Private truck S S S S 48.7 0.1 41.9
Rail 25.6 10.4 24.8 10.1 34.5 12.2 14.1
Water 42.0 4.9 41.5 4.7 38.5 1.6 28.3
Shallow draft 42.0 4.9 41.5 4.7 38.5 1.6 28.3
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 41.3 5.0 40.1 5.6 42.4 10.7 20.5
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water 41.3 5.0 40.1 5.6 42.4 10.7 20.5
Other Multiple modes
Other and unknown modes S S S S S S 30.5

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 28.4 30.9 48.7 15.7
Single modes 28.4 30.9 0.1 48.8 0.7 16.0
Truck 38.1 10.4 43.3 11.2 S S 16.0
For-hire truck 31.2 5.3 28.6 5.4 31.1 8.3 15.9
Private truck S S S S S S 15.8
Rail
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 29.7 10.1 29.0 10.8 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 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 42.8 44.1 34.0 17.5
Single modes 43.2 4.5 44.4 4.9 35.6 6.4 17.3
Truck 39.0 8.1 40.9 8.6 37.0 6.2 17.5
For-hire truck 27.8 11.4 28.0 11.2 35.1 11.7 28.2
Private truck 45.0 8.0 46.0 8.1 45.5 11.2 16.9
Rail
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 S 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 S S S S S S 31.6

SCTG 19, Coal and petroleum products, 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 43.0 48.6 29.4 32.0
Single modes 39.6 2.1 48.7 0.2 29.0 0.9 S
Truck 41.3 2.8 49.5 2.3 30.9 5.7 S
For-hire truck S S 39.1 11.7 41.5 11.1 19.9
Private truck 38.7 9.8 S S 43.4 9.4 S
Rail 35.6 2.4 47.7 2.1 39.9 5.9 24.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S S S S S
Multiple modes S S S S S S 30.7
Parcel, USPS or courier S S S S S S 30.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 43.2

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 35.5 29.8 31.7 30.6
Single modes 37.6 8.0 30.2 1.6 32.1 1.2 29.0
Truck 38.5 9.1 31.7 8.4 35.2 9.6 29.0
For-hire truck 39.3 11.6 35.7 9.3 39.1 11.8 21.5
Private truck 47.4 7.6 S S S S 23.5
Rail 29.4 2.2 21.7 8.5 21.2 9.7 24.1
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 25.4
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
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 32.3

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 38.6 23.7 25.0 20.2
Single modes 44.7 13.5 24.4 4.1 25.5 7.0 34.0
Truck 44.2 13.7 33.1 10.0 27.5 14.6 24.4
For-hire truck 45.9 13.8 23.3 10.1 27.8 12.6 26.5
Private truck 49.6 3.6 S S 43.5 3.4 39.8
Rail S S S S S S 28.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 18.3
Pipeline S S S
Multiple modes 22.9 13.0 24.0 1.6 27.3 4.0 22.3
Parcel, USPS or courier 22.9 13.0 24.0 1.6 27.3 4.0 22.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.7

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 S S S S S S 49.6
Single modes S S S S S S 48.2
Truck S S S S S S S
For-hire truck S S S S S S 30.5
Private truck S S S S S S 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 28.6
Parcel, USPS or courier S S S S S S 28.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 23, Chemical products and preparations, 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 25.5 25.7 44.3 29.4
Single modes 26.6 3.0 26.8 3.3 44.3 0.8 32.9
Truck 26.9 4.0 28.4 6.3 48.1 7.9 33.3
For-hire truck 25.0 8.0 38.7 9.2 S S 17.7
Private truck 46.8 9.6 46.2 10.6 36.2 6.4 33.8
Rail S S S S S S 31.6
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) S S 48.6 S S 23.3
Pipeline S S S
Multiple modes S S S S S S 19.4
Parcel, USPS or courier S S S S S S 19.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 32.4 22.5 17.6 12.9
Single modes 35.5 3.3 23.1 1.6 18.9 3.1 15.9
Truck 35.3 3.1 21.6 1.7 17.5 2.8 15.6
For-hire truck 38.0 4.6 23.0 2.4 17.6 2.9 11.3
Private truck 22.1 2.6 18.7 1.9 24.3 0.3 31.3
Rail S S S S 47.0 2.2 28.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 37.3 37.9 20.4
Pipeline S S S
Multiple modes 22.8 3.1 22.8 1.5 21.7 3.1 11.3
Parcel, USPS or courier 24.8 3.2 37.9 1.6 49.6 2.9 11.1
Truck and rail 33.2 0.3 32.4 0.3 36.0 2.0 23.0
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 41.9 0.4 S S S S 38.3

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 48.0 S S 47.1 S
Single modes 48.1 0.4 S S 47.2 0.4 S
Truck 48.1 0.8 S S 47.1 0.8 S
For-hire truck S S S S S S S
Private truck S S S S S S 24.6
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 31.0

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 16.7 34.3 22.3 13.1
Single modes 16.5 0.4 34.5 0.2 22.8 1.9 9.4
Truck 16.0 1.3 34.5 0.4 22.9 2.4 9.3
For-hire truck 29.6 6.2 27.4 9.5 30.8 8.2 13.5
Private truck 18.8 7.1 S S 49.3 9.0 8.4
Rail S S S S S S 26.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S S S S S
Multiple modes 44.8 0.3 S S S S 11.7
Parcel, USPS or courier 28.7 0.3 25.5 25.3 12.2
Truck and rail S S S S S S 29.9
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 49.2 0.3 41.3 0.1 S S S

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 18.4 22.1 20.1 41.2
Single modes 18.3 0.9 22.2 0.8 20.4 1.3 S
Truck 18.5 1.1 23.0 1.7 21.1 2.3 S
For-hire truck 19.1 6.8 20.8 5.4 20.0 2.1 15.5
Private truck 33.6 6.6 37.8 5.0 S S 25.4
Rail 37.0 0.9 43.6 1.7 31.9 2.6 S
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.8
Pipeline S S S
Multiple modes S S S S S S 22.6
Parcel, USPS or courier S S S S S S 22.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 13.2 16.8 29.9 45.1
Single modes 14.9 4.9 17.0 2.9 31.5 3.3 S
Truck 14.8 4.9 17.0 3.2 31.4 4.0 S
For-hire truck 17.5 5.9 21.9 5.3 35.1 4.9 13.3
Private truck 19.8 6.4 24.9 5.7 27.7 3.6 S
Rail S S S S S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.3
Pipeline S S S
Multiple modes S S 45.9 1.3 S S 14.8
Parcel, USPS or courier S S 45.9 1.3 S S 14.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 15.4 35.1 24.3 13.7
Single modes 14.4 4.4 32.9 2.2 25.6 5.0 S
Truck 14.3 4.6 33.0 2.3 25.7 5.5 S
For-hire truck 19.9 6.6 36.7 5.7 25.9 5.4 16.5
Private truck 33.6 3.7 S S S S 30.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 12.7
Pipeline S S S
Multiple modes 39.4 4.1 34.9 1.6 46.0 4.9 11.9
Parcel, USPS or courier 39.4 4.1 34.9 1.6 46.0 4.9 11.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 49.6 2.0 S S S S S

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 23.1 18.4 17.3 6.7
Single modes 26.2 6.6 14.9 4.7 9.7 6.4 15.1
Truck 26.9 6.2 15.6 4.9 10.3 6.9 16.1
For-hire truck 30.2 6.3 18.5 4.4 11.3 6.6 8.7
Private truck 21.8 3.0 28.3 5.4 27.0 1.2 37.0
Rail S S S S S S S
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 46.4 1.0 S S 45.7 0.9 11.8
Pipeline S S S S S S S
Multiple modes 26.5 6.4 39.3 4.3 41.4 6.2 4.7
Parcel, USPS or courier 26.5 6.4 39.3 4.3 41.5 6.2 4.7
Truck and rail
Truck and water S S S S S S 27.9
Rail and water
Other Multiple modes
Other and unknown modes 45.0 2.1 40.5 1.1 46.5 1.4 S

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 7.5 31.1 18.2 17.5
Single modes 10.3 4.9 32.6 4.5 20.4 4.5 43.8
Truck 10.5 4.9 32.9 4.5 20.1 4.2 38.5
For-hire truck 16.1 7.4 21.4 8.2 22.5 6.6 13.5
Private truck 28.1 5.1 47.3 10.1 43.5 5.9 36.4
Rail S S S S S S 32.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.2
Pipeline S S S
Multiple modes 36.6 4.6 S S 48.5 1.6 23.8
Parcel, USPS or courier 39.7 4.6 S S S S 10.2
Truck and rail S S S S S S 29.8
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 48.8 1.1 S S S S S

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 10.4 12.4 9.1 17.2
Single modes 10.6 0.5 12.6 0.2 9.2 0.2 12.4
Truck 11.0 1.4 13.8 2.0 10.8 3.0 12.5
For-hire truck 9.4 3.7 12.6 4.6 11.7 4.6 6.9
Private truck 23.1 3.9 29.0 4.6 45.3 4.4 10.4
Rail 15.0 1.1 16.2 2.0 18.8 3.0 12.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 20.7
Pipeline S S S
Multiple modes 39.3 0.4 27.3 S S 13.4
Parcel, USPS or courier 39.6 0.4 23.8 30.2 13.4
Truck and rail S S S S S S 43.5
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 29.2 0.3 24.3 0.2 32.9 0.2 S

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 16.1 21.4 25.4 17.2
Single modes 11.3 4.4 21.7 1.3 25.7 2.7 30.8
Truck 11.0 4.5 21.3 3.0 29.8 6.2 31.2
For-hire truck 10.9 5.9 24.0 7.1 31.5 6.4 7.4
Private truck 19.5 3.6 31.3 6.3 27.0 1.8 27.7
Rail 36.7 0.5 43.0 2.7 43.5 5.7 20.1
Water S S S S S S 27.9
Shallow draft S S S S S S 27.9
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.7
Pipeline S S S
Multiple modes 43.7 4.6 40.7 1.0 44.4 1.2 15.6
Parcel, USPS or courier 44.8 4.7 40.5 0.9 41.9 1.2 15.6
Truck and rail S S S S S S S
Truck and water S S S S S S 36.1
Rail and water
Other Multiple modes
Other and unknown modes S S 46.7 1.2 46.7 2.1 S

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 11.5 15.5 18.9 17.2
Single modes 12.8 4.6 16.9 3.0 20.5 2.9 33.2
Truck 12.9 4.7 16.9 3.0 20.3 2.9 22.8
For-hire truck 11.6 7.0 23.7 10.6 25.2 6.3 9.8
Private truck 30.4 6.8 38.4 10.9 32.2 4.6 35.9
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 46.3 0.2 S S S S 12.3
Pipeline S S S
Multiple modes 27.4 3.6 27.2 1.2 33.3 2.8 13.3
Parcel, USPS or courier 27.7 3.6 30.4 1.2 42.8 2.2 13.5
Truck and rail S S S S S S 29.8
Truck and water S S S S S S 30.2
Rail and water
Other Multiple modes
Other and unknown modes S S 49.1 2.3 41.8 0.2 S

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 20.8 27.4 26.7 19.4
Single modes 25.2 6.3 29.8 4.9 29.6 5.4 S
Truck 27.7 7.9 29.9 4.9 29.6 5.3 S
For-hire truck 34.4 7.6 34.0 7.4 30.1 5.6 9.7
Private truck S S S S S S 23.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S 39.7 0.3 10.1
Pipeline S S S
Multiple modes 28.1 5.9 24.6 3.4 38.1 5.4 10.1
Parcel, USPS or courier 28.1 5.9 24.7 3.4 38.5 5.4 10.1
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 41.9 1.2 33.5 1.7 S S S

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 19.8 29.9 34.3 37.8
Single modes 15.8 5.0 34.4 5.7 35.3 3.2 S
Truck 15.9 4.8 34.8 5.5 35.8 3.1 S
For-hire truck 20.8 6.9 50.0 7.3 44.1 6.4 14.1
Private truck 23.8 7.5 S S 28.4 5.1 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 18.9
Pipeline S S S
Multiple modes 39.0 0.6 42.4 0.3 36.5 0.7 30.2
Parcel, USPS or courier 39.7 0.6 43.0 0.3 42.2 0.7 29.7
Truck and rail
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes S S 49.2 5.5 29.1 2.9 S

SCTG 37, Transportation equipment, 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 34.8 48.1 40.9 18.5
Single modes 37.7 7.7 48.9 1.3 41.3 1.2 16.9
Truck 40.0 9.3 S S S S 16.8
For-hire truck 40.7 9.6 S S S S 21.6
Private truck S S S S S S 23.0
Rail 44.5 2.8 45.1 9.2 49.9 11.0 25.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 43.8 4.3 42.2 6.4 S S 23.4
Pipeline S S S
Multiple modes 21.5 7.7 49.5 1.3 S S 19.1
Parcel, USPS or courier 21.5 7.7 49.5 1.3 S S 19.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 36.8 S S 40.8 26.4
Single modes 26.1 12.1 S S 46.1 13.3 S
Truck 25.0 11.9 S S 46.2 13.2 S
For-hire truck 31.8 8.8 37.1 14.3 30.6 12.3 20.1
Private truck 30.5 9.0 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 44.4 45.3 0.2 17.9
Pipeline S S S
Multiple modes 46.7 11.1 32.6 7.6 38.8 9.9 24.4
Parcel, USPS or courier 46.7 11.1 32.6 7.6 38.8 9.9 24.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 35.8

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

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 23.8 23.1 22.8
Single modes 18.9 0.7 23.2 0.5 23.1 1.1 31.8
Truck 18.7 0.8 23.2 0.5 23.1 1.2 31.9
For-hire truck 16.8 7.4 20.7 7.0 23.7 2.3 11.0
Private truck 40.7 6.8 S S 25.9 1.9 37.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes 41.5 0.6 S S S S 12.2
Parcel, USPS or courier 41.5 0.5 S S 49.7 0.2 11.9
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 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 11.4 17.0 20.5 16.9
Single modes 14.5 5.4 16.6 0.8 19.4 1.4 37.3
Truck 14.6 5.5 16.6 0.8 19.4 1.4 37.4
For-hire truck 18.0 6.4 19.0 3.4 20.1 2.0 9.5
Private truck 22.0 4.3 18.7 3.7 29.0 2.0 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 45.8 S S 24.2
Pipeline S S S
Multiple modes 23.9 4.5 17.8 0.7 22.5 1.1 8.8
Parcel, USPS or courier 23.9 4.5 17.8 0.7 22.5 1.1 8.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 45.0 S S S S 18.7
Single modes 45.0 S S S S 18.8
Truck 34.3 9.8 S S S S 20.2
For-hire truck 34.9 9.1 S S S S 17.7
Private truck 33.2 2.3 31.6 6.0 33.0 5.2 40.1
Rail 48.7 3.5 44.8 3.6 40.5 6.4 31.4
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 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 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 7.4 11.5 17.6 39.6
Single modes 6.6 1.2 10.3 2.8 17.2 4.2 S
Truck 6.6 1.2 10.2 2.8 15.9 4.3 S
For-hire truck 11.3 2.4 29.3 5.6 32.9 6.0 S
Private truck 7.7 2.7 10.6 5.8 8.0 7.7 20.8
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 30.4
Pipeline S S S
Multiple modes 28.3 1.1 35.3 0.5 27.4 0.7 S
Parcel, USPS or courier 28.3 1.1 35.3 0.5 27.4 0.7 S
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 29.6 0.1 S S S S S

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 40.5 46.3 S S 19.6
Single modes 44.9 5.8 41.2 8.4 S S 30.8
Truck 47.7 7.2 49.8 13.3 S S S
For-hire truck S S S S S S 15.3
Private truck 33.1 12.8 S S 37.8 13.7 S
Rail 46.5 2.4 S S S S 26.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.3
Pipeline S S S
Multiple modes 49.2 3.7 S S S S 26.7
Parcel, USPS or courier 49.2 3.7 S S S S 26.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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

NOTE: The Introduction and appendixes give information onf 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, Individual State Data, December 2004.