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 6.5 11.0 15.7 7.1
Single modes 7.3 1.0 11.1 0.6 16.4 1.5 7.8
Truck 7.2 1.2 11.3 5.0 8.3 5.2 8.7
For-hire truck 10.8 2.6 9.2 3.3 7.6 4.6 6.2
Private truck 9.2 2.1 15.1 3.5 19.0 1.9 9.8
Rail 24.0 0.4 38.2 2.2 32.4 2.9 12.2
Water S S S S S S S
Shallow draft S S S S S S S
Great Lakes
Deep draft
Air (including truck and air) 22.6 1.2 S S S S 2.2
Pipeline S S S S S S S
Multiple modes 9.1 0.9 30.4 0.5 33.5 1.5 6.9
Parcel, USPS or courier 10.4 0.8 13.6 17.9 0.2 6.9
Truck and rail S S 32.5 0.2 38.4 1.0 10.2
Truck and water S S S S S S 36.5
Rail and water
Other Multiple modes
Other and unknown modes 14.6 0.3 26.1 0.2 35.3 0.4 18.7

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 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 S
Single modes S S S S S S S
Truck S S S S S S 30.5
For-hire truck
Private truck S S S S S S 30.5
Rail
Water S S S S S S 25.9
Shallow draft S S S S S S 25.9
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 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 22.6 47.4 38.5 S
Single modes 19.7 2.5 49.3 2.7 31.1 9.3 S
Truck 20.4 3.1 S S 32.4 12.3 S
For-hire truck 30.8 11.5 39.2 11.2 42.8 12.7 S
Private truck 30.8 13.0 S S S S 27.3
Rail
Water S S S S S S 23.6
Shallow draft S S S S S S 23.6
Great Lakes
Deep draft
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 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 30.2

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 42.3 S
Single modes S S S S 42.4 0.3 S
Truck S S S S S S S
For-hire truck S S S S S S S
Private truck S S S S 46.9 10.2 42.1
Rail S S S S S S 27.9
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 31.6

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 41.0 30.7 31.4 22.7
Single modes 42.6 4.9 33.1 4.1 33.4 4.6 24.5
Truck 42.7 4.9 33.5 4.0 34.9 5.6 24.9
For-hire truck 36.0 10.6 30.5 9.5 39.8 10.1 18.9
Private truck S S S S S S 22.1
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 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 34.9 4.1 36.8 4.6 24.9

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 25.1 30.7 40.1 30.6
Single modes 23.3 1.3 30.2 0.4 40.1 30.9
Truck 23.6 2.7 26.7 11.3 35.0 12.7 31.0
For-hire truck 38.3 11.0 36.9 11.0 44.2 10.8 15.5
Private truck 28.2 11.3 34.0 12.1 34.0 12.7 26.8
Rail 44.0 1.0 34.9 1.5 35.8 1.9 23.6
Water S S S S S S 28.4
Shallow draft S S S S S S 28.4
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 31.6
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 31.5

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 13.0 16.8 14.3 17.1
Single modes 14.0 2.8 16.5 0.5 15.0 2.8 29.8
Truck 14.4 3.2 17.4 1.7 17.5 5.4 31.0
For-hire truck 23.8 7.9 17.2 6.1 19.4 6.6 14.0
Private truck 22.2 6.8 32.1 6.2 44.0 3.0 16.1
Rail 16.2 0.8 20.6 1.7 22.0 4.9 14.7
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 32.5 2.9 28.4 0.5 33.6 2.8 26.9
Parcel, USPS or courier 37.5 2.9 S S S S 25.4
Truck and rail 34.9 0.3 32.7 0.4 40.2 1.7 19.1
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 34.5

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 26.2 24.3 39.9 S
Single modes 25.9 4.9 24.8 4.9 41.7 8.1 S
Truck 27.1 5.3 26.8 5.4 45.7 7.0 S
For-hire truck 44.9 8.8 43.5 9.6 49.7 11.4 21.0
Private truck 40.1 13.1 46.1 13.5 S S 17.0
Rail 48.1 3.0 45.9 4.1 48.4 6.7 26.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 28.0
Parcel, USPS or courier
Truck and rail S S S S S S 28.0
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

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 32.1 29.1 29.9 20.9
Single modes 32.2 10.4 29.3 10.4 30.3 10.3 S
Truck 32.4 10.4 29.4 10.4 30.8 10.3 S
For-hire truck 41.0 10.1 37.4 9.7 37.3 10.2 22.5
Private truck 46.2 3.2 49.3 4.2 S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 32.3
Pipeline S S S
Multiple modes 36.5 10.4 29.8 10.4 34.1 10.3 22.8
Parcel, USPS or courier 36.5 10.4 29.8 10.4 34.1 10.3 22.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 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 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 S S S
Single modes S S S S S S S
Truck S S S S S S S
For-hire truck S S S S S S S
Private truck S S S S S S 41.9
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 30.1

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 19.7 16.1 33.5 28.5
Single modes 19.7 16.1 0.1 33.5 28.7
Truck 19.7 16.1 0.1 33.5 28.7
For-hire truck 29.3 8.0 25.7 7.6 29.2 6.6 29.1
Private truck 15.6 8.0 14.4 7.6 44.6 6.6 27.5
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 S

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 47.5 S S S S 23.6
Single modes 47.7 0.6 S S S S 26.5
Truck 46.6 3.7 S S S S 27.4
For-hire truck S S S S S S 20.4
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 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 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 37.0 S S S S 25.7
Single modes 41.5 7.8 46.8 10.3 S S 24.1
Truck 41.5 7.8 46.8 10.3 S S 24.1
For-hire truck 48.9 8.9 S S S S 24.1
Private truck S S S S S S 28.3
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
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes

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 S S S S S S 45.1
Single modes S S S S S S 45.1
Truck S S S S S S 31.6
For-hire truck S S S S S S 31.6
Private truck S S S S S S 31.6
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

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 14.4 14.0 9.5 10.5
Single modes 14.4 14.0 9.5 10.5
Truck 14.4 0.3 13.9 0.3 9.5 0.1 10.4
For-hire truck 11.7 4.6 11.4 4.9 12.9 5.6 9.9
Private truck 26.8 4.6 26.6 4.9 19.1 5.6 15.5
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

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 S S S S 13.6 22.0
Single modes S S S S 13.6 22.0
Truck 19.9 17.2 19.7 19.8 15.6 8.6 16.5
For-hire truck 17.3 12.0 18.3 13.3 23.4 9.0 19.4
Private truck 29.1 9.5 25.8 10.2 30.5 9.7 13.2
Rail
Water S S S S S S S
Shallow draft S S S S S S S
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 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 45.2 S S S S S
Single modes 45.2 0.7 S S S S 49.5
Truck S S S S S S 31.0
For-hire truck S S S S S S 27.1
Private truck 49.8 16.5 S S S S S
Rail S S S S S S 27.9
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 44.3 0.7 43.9 S S 24.6
Parcel, USPS or courier 44.3 0.7 43.9 S S 24.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 32.9

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 35.0 31.0 27.8 S
Single modes 38.8 7.2 31.1 0.3 27.8 0.1 10.8
Truck 39.8 7.9 30.5 8.9 27.7 7.4 13.5
For-hire truck 40.2 8.1 32.2 8.9 28.9 7.7 7.3
Private truck 41.1 0.8 31.5 1.3 39.4 0.6 S
Rail S S 33.3 4.6 26.5 6.5 22.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.9
Pipeline S S S S 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

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 27.5 30.9 40.2 19.5
Single modes 29.4 4.9 32.6 3.3 40.9 1.8 20.7
Truck 33.8 10.0 32.9 3.8 41.8 5.8 45.9
For-hire truck 33.8 9.9 32.2 3.4 41.4 5.6 42.3
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) 18.5 7.5 14.2 1.2 16.5 5.1 3.7
Pipeline S S S
Multiple modes 30.5 3.9 24.3 2.0 31.2 1.7 15.8
Parcel, USPS or courier 30.5 3.9 24.3 2.0 31.2 1.7 15.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 28.1
Single modes S S S S S S 28.1
Truck S S S S S S 29.0
For-hire truck S S S S S S 39.4
Private truck S S S S S S 28.9
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 S 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 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 27.2 26.1 37.9 S
Single modes 22.0 6.8 26.4 1.6 38.0 5.5 S
Truck 23.2 6.8 28.1 4.6 43.1 8.1 S
For-hire truck 29.1 11.7 36.6 12.4 44.1 14.1 19.9
Private truck 34.7 11.0 39.3 12.9 44.1 12.9 15.7
Rail 46.2 3.4 46.4 4.7 S S 27.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.1
Pipeline S S S
Multiple modes S S S S 36.5 5.5 S
Parcel, USPS or courier S S S S 36.5 5.5 S
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 32.3 0.1 S S 33.1

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 16.2 15.5 19.8 16.7
Single modes 17.2 2.7 16.9 2.5 21.7 2.1 29.2
Truck 16.7 2.8 14.4 3.0 20.8 2.3 29.9
For-hire truck 22.4 5.1 21.8 5.7 23.8 4.7 6.8
Private truck 27.5 5.3 32.5 7.1 32.0 4.0 21.2
Rail S S S S S S 29.8
Water S S S S S S S
Shallow draft S S S S S S S
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.5
Pipeline S S S S S S S
Multiple modes 30.0 2.8 30.3 0.7 23.3 2.2 15.4
Parcel, USPS or courier 36.9 2.7 43.5 0.4 39.3 1.1 16.5
Truck and rail 34.5 0.5 48.4 0.6 37.4 1.8 21.5
Truck and water S S S S S S 30.1
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 S S S S S S S
Single modes S S S S S S 48.7
Truck S S S S S S 48.7
For-hire truck S S S S S S S
Private truck S S S S S S 49.1
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
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 31.6

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 14.6 23.4 23.7 22.8
Single modes 15.2 2.1 23.5 0.2 23.9 0.7 14.1
Truck 15.3 2.1 24.6 2.6 26.4 4.8 14.1
For-hire truck 16.5 6.8 28.6 6.8 25.2 7.5 9.7
Private truck 26.2 7.9 31.5 7.3 S S 19.5
Rail S S S S S S 44.8
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 22.5
Parcel, USPS or courier S S S S S S 22.2
Truck and rail S S S S S S 39.4
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 29.9 0.2 30.5 0.1 47.6 0.6 35.7

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 15.7 18.5 18.0 S
Single modes 15.7 2.7 18.4 1.6 18.8 3.2 S
Truck 26.2 6.5 34.3 7.5 39.9 7.3 S
For-hire truck 27.7 4.6 39.3 5.7 42.5 6.5 29.8
Private truck 47.8 7.3 S S S S S
Rail 17.6 6.7 20.8 7.8 25.8 8.1 8.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 32.1
Pipeline S S S
Multiple modes 29.7 2.7 44.0 1.6 39.2 3.2 11.9
Parcel, USPS or courier 39.0 0.6 36.9 35.0 22.7
Truck and rail 44.1 2.9 46.7 1.6 40.8 3.2 27.0
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 22.6 34.3 38.2 21.4
Single modes 23.2 3.3 34.6 0.6 38.1 0.7 S
Truck 23.2 3.3 34.6 0.6 38.1 0.7 S
For-hire truck 29.4 9.9 36.2 10.3 44.9 9.3 16.5
Private truck 40.7 8.6 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.5
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 S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 42.6 1.2 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 14.8 17.7 17.0 11.2
Single modes 18.3 4.9 17.8 1.9 17.9 2.1 19.7
Truck 17.9 5.4 19.0 3.7 19.6 5.5 25.4
For-hire truck 15.8 6.5 16.3 4.3 19.3 5.4 7.2
Private truck S S S S S S 33.5
Rail S S S S S S 29.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.9
Pipeline S S S
Multiple modes 18.5 4.6 36.8 1.9 30.0 2.1 6.1
Parcel, USPS or courier 18.5 4.6 36.8 1.9 30.0 2.1 6.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 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 22.2 20.9 18.8 10.8
Single modes 22.7 3.6 22.6 2.6 20.6 2.7 12.3
Truck 22.8 3.8 22.6 2.7 20.6 2.7 9.5
For-hire truck 25.3 6.0 33.0 7.5 23.0 4.0 3.0
Private truck 40.5 6.1 26.1 7.9 41.2 4.2 S
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) 35.9 0.3 36.7 37.1 0.3 20.8
Pipeline S S S
Multiple modes 34.2 3.5 39.6 2.2 36.4 2.7 9.6
Parcel, USPS or courier 34.2 3.5 39.5 2.1 35.2 2.5 9.6
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 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 26.5 38.0 21.8 21.9
Single modes 27.6 3.8 38.3 1.9 22.8 2.2 42.2
Truck 28.5 4.8 39.8 5.1 20.9 6.2 42.1
For-hire truck 34.3 8.0 41.5 11.4 19.3 8.8 28.3
Private truck 32.2 8.6 46.6 13.1 35.8 9.7 23.9
Rail S S S S S S 43.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 34.6
Pipeline S S S
Multiple modes 30.5 3.0 37.0 0.1 42.8 0.3 19.3
Parcel, USPS or courier 30.5 3.0 37.0 0.1 42.8 0.3 19.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 36.2 0.8 S S S S 42.1

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 12.1 15.5 18.0 19.3
Single modes 11.5 1.1 15.6 1.0 17.2 1.5 23.0
Truck 11.6 3.7 15.8 2.9 13.5 5.4 22.7
For-hire truck 16.7 4.8 21.8 4.9 17.3 5.4 9.1
Private truck 23.8 6.1 22.3 5.9 34.4 3.9 S
Rail S S S S 48.3 4.8 25.8
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 43.8 1.2 S S S S 19.4
Parcel, USPS or courier S S S S S S 20.7
Truck and rail S S S S S S 30.1
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 46.4 0.4 45.4 1.0 48.8 1.3 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 31.5 22.1 26.9 15.5
Single modes 35.5 4.1 21.9 0.3 26.8 0.5 16.4
Truck 35.5 4.2 21.9 0.3 26.8 0.5 15.6
For-hire truck 39.4 5.3 25.5 4.7 27.5 4.2 5.0
Private truck 29.5 4.5 19.0 4.8 29.9 3.8 17.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 20.9
Pipeline S S S
Multiple modes 29.8 3.9 38.2 0.2 40.2 0.5 10.4
Parcel, USPS or courier 29.8 3.9 38.2 0.2 40.2 0.5 10.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 41.6 0.4 45.6 0.1 S S 24.8

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 11.3 8.4 11.2 17.9
Single modes 10.9 3.2 10.1 5.1 12.9 4.2 36.4
Truck 11.1 3.3 10.8 5.8 13.7 5.3 37.1
For-hire truck 12.2 4.1 12.0 5.7 14.1 5.4 15.6
Private truck 18.6 2.8 27.0 2.8 24.5 0.8 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 38.6 0.4 S S S S 4.5
Pipeline S S S
Multiple modes 48.0 2.7 41.4 0.7 43.9 1.2 9.0
Parcel, USPS or courier 49.3 2.6 45.3 0.7 S S 9.0
Truck and rail 36.8 0.1 33.4 34.5 0.3 18.4
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 48.2 1.0 S S S S 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 13.2 17.7 17.0 7.4
Single modes 27.1 9.0 23.0 6.1 22.9 7.2 19.4
Truck 27.2 9.1 23.0 6.1 22.9 7.2 19.9
For-hire truck 27.8 9.0 24.0 6.4 23.5 7.3 17.3
Private truck 47.1 0.7 36.7 1.4 27.7 0.6 S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.4 40.6 38.6 11.3
Pipeline S S S
Multiple modes 26.8 7.9 26.3 2.2 43.8 5.1 7.5
Parcel, USPS or courier 26.8 7.8 22.2 2.1 32.8 2.6 7.5
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 27.9
Rail and water
Other Multiple modes
Other and unknown modes 38.4 5.7 40.7 6.2 41.5 7.4 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 17.3 20.9 26.8 32.9
Single modes 17.8 4.1 20.7 2.2 27.2 4.7 37.9
Truck 18.3 4.9 20.9 2.9 27.6 5.5 38.4
For-hire truck 20.5 5.1 22.2 4.7 28.9 5.9 22.6
Private truck 21.3 2.2 34.9 3.2 S S 18.6
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 20.4
Pipeline S S S
Multiple modes S S S S S S 13.7
Parcel, USPS or courier 37.0 0.4 24.7 21.4 13.0
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 31.5 1.1 40.0 1.0 S S 26.6

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 14.5 17.8 23.7 15.3
Single modes 16.2 6.6 18.0 3.4 24.0 2.6 17.0
Truck 16.8 9.6 18.4 8.9 25.4 9.5 30.2
For-hire truck 18.1 10.5 18.6 8.9 25.4 9.5 33.1
Private truck 38.3 2.2 S S S S 28.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.4
Pipeline S S S
Multiple modes 43.6 6.9 S S S S 26.0
Parcel, USPS or courier 43.6 6.9 S S S S 26.0
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 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 29.9 S S S S 22.6
Single modes 36.9 16.2 S S S S 20.8
Truck 47.9 7.4 S S S S 45.4
For-hire truck S S S S S S 40.7
Private truck S S S S S S 31.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 45.7 17.2 41.7 16.1 36.4 16.2 15.5
Pipeline S S S
Multiple modes S S S S S S 27.6
Parcel, USPS or courier S S S S S S 27.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 26.2 25.3 25.4 10.9
Single modes 26.7 4.5 26.4 4.9 27.8 6.6 8.9
Truck 26.7 4.5 26.4 4.9 27.8 6.6 8.9
For-hire truck 26.7 7.1 28.2 6.8 27.5 6.5 5.3
Private truck 31.6 5.6 29.4 5.8 48.2 0.8 24.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 48.6 4.5 S S S S 18.6
Parcel, USPS or courier 48.8 4.5 S S S S 18.7
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 44.9 0.2 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 17.0 19.7 26.8 4.8
Single modes 20.6 4.7 20.8 1.9 30.3 5.0 11.9
Truck 19.7 4.1 19.6 1.9 24.4 5.1 10.2
For-hire truck 22.5 6.6 22.6 6.9 27.0 5.0 4.9
Private truck 45.3 6.5 42.5 7.4 38.8 4.5 22.4
Rail S S S S S S 29.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 41.5 0.2 45.3 0.9 12.8
Pipeline S S S S S S S
Multiple modes 14.9 3.6 16.4 0.9 15.7 1.5 4.1
Parcel, USPS or courier 14.8 3.6 16.3 0.9 15.7 1.4 4.1
Truck and rail S S S S S S 27.9
Truck and water S S S S S S 31.2
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 23.5

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 S S 49.1 S S 47.1
Single modes S S S S S S 46.2
Truck 41.3 17.7 41.0 19.2 S S S
For-hire truck 46.7 16.3 36.1 15.0 45.3 19.1 S
Private truck S S S S S S 49.8
Rail S S S S S S 30.6
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 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 13.0 12.0 9.2 14.7
Single modes 14.6 2.6 12.2 0.4 9.6 0.8 21.2
Truck 14.7 2.7 12.3 0.5 10.2 2.8 22.4
For-hire truck 17.5 4.9 15.9 6.7 15.1 6.0 13.3
Private truck 18.5 5.7 18.9 6.7 19.4 6.7 15.3
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 28.3
Pipeline S S S
Multiple modes 33.2 2.6 32.1 0.4 31.2 0.7 8.0
Parcel, USPS or courier 33.2 2.6 32.1 0.4 31.2 0.7 8.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 35.7 0.3 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 47.5 S S S S 21.9
Single modes 38.0 7.0 S S S S S
Truck 38.4 7.5 47.1 14.9 S S S
For-hire truck 31.0 10.9 S S 36.0 16.6 31.7
Private truck S S 41.0 14.6 42.6 12.1 S
Rail S S S S S S 36.5
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 22.9
Parcel, USPS or courier S S S S S S 22.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.3

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

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.