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 11.2 20.3 21.9 7.3
Single modes 8.4 3.6 21.5 4.2 22.5 1.1 16.4
Truck 8.7 4.0 20.3 4.1 16.6 4.9 14.9
For-hire truck 13.1 3.0 26.7 3.5 15.0 6.2 14.7
Private truck 8.0 2.9 22.3 4.3 37.8 2.8 16.6
Rail 48.7 0.7 41.7 1.5 40.1 5.5 12.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 21.3 0.9 43.0 S S 6.1
Pipeline S S S S S S S
Multiple modes 29.5 3.5 21.1 0.2 24.1 0.8 7.3
Parcel, USPS or courier 29.5 3.5 12.9 0.1 16.2 0.6 7.3
Truck and rail S S S S S S 30.0
Truck and water 47.8 S S S S 16.2
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 24.7 0.6 42.6 4.1 26.3 0.3 28.3

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
Single modes
Truck
For-hire truck
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
Single modes
Truck
For-hire truck
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 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 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 24.7
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 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 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 30.2
Single modes S S S S S S 30.7
Truck S S S S S S 30.7
For-hire truck S S S S S S 31.6
Private truck S S S S S S 29.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 30.6
Parcel, USPS or courier S S S S S S 30.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 32.3 38.4 45.0 S
Single modes 32.3 0.6 38.7 0.7 46.0 2.2 S
Truck 32.3 0.6 38.7 0.7 46.0 2.2 S
For-hire truck S S S S S S 37.2
Private truck 34.3 5.8 39.4 5.5 36.3 13.6 27.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 S

SCTG 6, Milled grain products and preparations, and bakery products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 38.4 41.4 36.9 S
Single modes 34.8 2.9 35.7 3.5 37.2 5.9 S
Truck 36.1 4.3 36.7 3.8 35.8 6.4 S
For-hire truck 48.3 12.6 45.7 14.0 43.5 17.8 25.8
Private truck 48.0 14.5 46.2 14.8 S S 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 S S S S S S 28.0
Parcel, USPS or courier S S S S S S 28.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 38.0

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 15.9 14.4 25.0 S
Single modes 15.6 1.2 14.7 2.1 25.5 2.4 S
Truck 15.6 1.2 14.7 2.1 25.4 2.4 S
For-hire truck 20.7 7.7 18.7 9.6 26.8 10.0 25.4
Private truck 16.9 7.9 23.9 9.5 S S 23.1
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 38.1 0.9 S S S S 26.5
Parcel, USPS or courier 45.2 0.6 S S 38.1 26.4
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 S S S S S S 38.2

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 13.8 18.3 29.1 11.2
Single modes 14.5 1.7 18.4 1.5 29.3 1.0 11.5
Truck 14.5 1.7 18.4 1.5 29.3 1.0 11.5
For-hire truck S S S S S S 31.6
Private truck 14.5 1.7 18.9 2.3 20.9 11.4 9.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 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 S S S S S S 26.6
Single modes S S S S S S 26.5
Truck S S S S S S 26.5
For-hire truck
Private truck S S S S S S 26.5
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 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 S S 46.7 S S 23.1
Single modes S S 45.6 4.5 S S 29.2
Truck S S 45.6 4.5 S S 29.2
For-hire truck
Private truck S S 45.6 4.5 S S 29.2
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 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 43.0 45.1 41.5 29.6
Single modes 43.3 4.8 45.3 4.7 41.5 3.8 29.3
Truck 48.8 7.4 48.3 6.0 40.4 14.1 35.0
For-hire truck 36.5 5.4 39.8 4.9 40.9 4.8 23.5
Private truck S S S S 47.2 17.8 S
Rail 40.9 9.0 40.8 6.6 42.2 16.2 26.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 31.5

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 28.1 32.6 S S S
Single modes 30.2 11.9 35.8 12.6 S S S
Truck 31.8 11.7 36.0 12.9 S S S
For-hire truck S S S S S S S
Private truck 37.3 11.8 36.9 13.2 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 30.6
Parcel, USPS or courier
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 49.4 12.7 S S 26.3

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 20.8 22.1 28.6 31.7
Single modes 20.4 1.6 22.2 0.6 28.6 0.2 33.4
Truck 24.2 8.6 26.3 6.8 26.1 9.5 40.8
For-hire truck 30.5 8.6 28.7 5.7 31.0 6.7 23.7
Private truck 37.4 9.2 S S 29.2 10.6 S
Rail 29.2 8.4 31.1 6.7 33.7 9.5 23.8
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 31.3

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 41.8 33.1 40.2 36.2
Single modes 36.6 10.0 31.7 8.9 42.6 4.3 36.0
Truck 36.6 10.0 31.7 8.9 42.6 4.3 36.0
For-hire truck S S 41.2 14.5 S S 27.9
Private truck 41.4 16.9 41.5 16.8 42.1 18.6 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 S S S S S S 31.6

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
Single modes
Truck
For-hire truck
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 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 S S S S S S 27.5
Single modes S S S S S S 27.5
Truck S S S S S S 27.5
For-hire truck S S S S S S S
Private truck S S S S S S 26.7
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 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 49.2 S S 41.3 27.9
Single modes 49.2 S S 41.3 S
Truck 49.2 S S 41.3 S
For-hire truck S S S S S S 28.3
Private truck S S S S 44.4 5.0 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.6
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 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 S S S S 32.9 S
Single modes S S S S 37.9 9.8 S
Truck S S S S 37.9 9.8 S
For-hire truck S S S S S S 31.6
Private truck S S S S 45.1 12.6 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 30.3

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 33.6 32.4 37.0 24.3
Single modes 24.5 11.0 32.8 2.1 37.3 9.8 48.7
Truck 30.7 11.8 40.9 10.3 32.6 15.2 S
For-hire truck 49.1 12.3 48.8 12.2 43.2 12.5 41.3
Private truck S S S S S S 28.9
Rail S S S S S S 27.9
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 22.1
Parcel, USPS or courier S S S S S S 21.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 28.6

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 39.1 38.5 43.8 27.0
Single modes 33.1 9.3 46.1 9.7 49.4 10.0 S
Truck 34.7 9.0 47.4 9.0 S S S
For-hire truck 36.0 9.1 S S S S 23.6
Private truck S S S S S S 41.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.8
Pipeline S S S
Multiple modes S S S S 40.5 10.0 22.9
Parcel, USPS or courier S S S S 41.3 10.0 22.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes

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 28.3
Single modes S S S S S S 28.2
Truck S S S S S S 28.4
For-hire truck S S S S S S 29.9
Private truck S S S S S S 29.9
Rail S S S S S S 28.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
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 31.3

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 17.4 45.8 22.5 31.8
Single modes 18.3 6.8 47.3 7.4 23.9 10.0 S
Truck 18.4 6.7 47.4 7.4 24.3 9.9 S
For-hire truck 22.1 11.6 18.3 15.9 18.6 12.2 14.9
Private truck 30.9 9.6 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 33.9 5.2 36.0 5.7 35.9 9.9 41.3
Parcel, USPS or courier 33.9 5.2 36.0 5.7 35.9 9.9 41.3
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 18.8 29.9 30.4 17.3
Single modes 18.8 1.8 29.9 0.5 30.5 0.3 24.1
Truck 18.6 1.9 29.9 0.6 30.6 0.5 24.3
For-hire truck 32.8 9.7 24.7 13.1 22.9 12.3 24.6
Private truck 32.7 9.4 40.9 12.2 S S 25.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 48.5 0.1 42.0 0.3 S
Pipeline S S S
Multiple modes 49.4 1.8 44.9 0.1 31.3 0.3 17.8
Parcel, USPS or courier 49.7 1.8 45.4 0.1 31.2 0.3 17.8
Truck and rail
Truck and water S S S S S S 30.2
Rail and water
Other Multiple modes
Other and unknown modes 42.3 0.4 S S 47.1 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 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 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 18.0 20.6 21.9 35.1
Single modes 17.7 1.4 20.6 0.9 22.1 4.9 S
Truck 17.7 1.4 20.6 0.9 22.1 4.9 S
For-hire truck 27.2 7.8 29.7 10.1 29.0 12.9 21.7
Private truck 20.5 8.0 22.9 10.3 48.9 13.3 15.8
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 29.4
Parcel, USPS or courier S S S S S S 29.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 44.9

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 41.0 S S 48.8 49.0
Single modes 41.1 1.9 S S 48.8 8.2 49.2
Truck 41.2 1.9 S S 47.7 7.7 48.5
For-hire truck 39.8 11.2 S S 45.9 12.4 26.0
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 29.9
Parcel, USPS or courier S S S S S S 29.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 30.1

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 25.2 S S S S 25.8
Single modes 26.3 4.6 S S S S S
Truck 26.3 4.5 S S S S S
For-hire truck 32.1 10.5 S S S S 35.1
Private truck 40.3 11.8 46.4 14.3 S S S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 37.1 4.5 40.9 2.7 39.7 10.8 24.5
Parcel, USPS or courier 37.1 4.5 40.9 2.7 39.7 10.8 24.5
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 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 26.8 S S S S 17.1
Single modes 36.0 11.2 S S S S 42.0
Truck 36.2 10.9 S S S S S
For-hire truck 40.2 9.8 S S 38.8 14.3 21.7
Private truck 45.1 10.9 S S S S 48.0
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 25.9
Pipeline S S S
Multiple modes 27.5 11.3 23.1 11.8 48.9 13.6 21.0
Parcel, USPS or courier 28.3 11.4 27.2 11.8 30.0 13.3 21.0
Truck and rail
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes 46.5 2.3 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 31.7 28.6 35.1 14.2
Single modes 46.5 13.4 43.5 12.2 49.9 13.3 20.1
Truck 46.6 13.4 43.5 12.2 S S 20.4
For-hire truck 47.2 14.1 45.3 12.5 S S 16.2
Private truck 37.5 1.7 39.4 4.4 S S 27.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.6
Pipeline S S S
Multiple modes 17.2 12.4 20.1 11.0 27.8 13.2 13.7
Parcel, USPS or courier 17.2 12.4 20.1 11.0 27.8 13.2 13.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 24.7

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 25.8 29.0 S S S
Single modes 24.8 1.2 29.2 0.3 S S S
Truck 25.0 3.4 26.0 5.3 43.4 8.0 S
For-hire truck 48.2 9.7 47.9 11.0 49.9 9.1 S
Private truck 29.9 11.7 37.8 13.4 S S S
Rail S S S S S S 39.9
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 S
Parcel, USPS or courier S S S S 46.2 0.1 S
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 35.6 S S 49.2 24.3
Single modes 36.5 2.9 S S 49.2 1.2 30.4
Truck 36.6 2.8 S S 49.1 1.5 26.4
For-hire truck 28.9 9.2 38.5 13.1 46.6 8.0 17.2
Private truck 45.3 10.0 S S S S 21.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.4
Pipeline S S S
Multiple modes S S S S S S 30.8
Parcel, USPS or courier S S S S S S 30.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 39.3 2.2 49.3 1.9 S S 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 38.1 42.2 41.3 20.1
Single modes 36.6 9.3 45.0 10.1 44.3 9.8 21.7
Truck 36.6 9.1 45.0 10.2 44.2 10.0 19.5
For-hire truck 47.8 6.1 44.8 10.4 43.7 9.4 14.9
Private truck 31.0 9.9 S S S S 38.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.3
Pipeline S S S S S S S
Multiple modes 49.6 10.2 48.0 10.4 48.6 9.9 12.7
Parcel, USPS or courier 49.8 10.2 S S S S 12.7
Truck and rail
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes 39.5 3.6 44.8 1.3 S S 23.7

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 15.5 32.5 S S 20.4
Single modes 23.7 8.3 33.6 8.5 S S 37.0
Truck 23.9 8.4 33.7 8.7 S S 28.2
For-hire truck 27.6 7.2 38.5 8.5 S S 14.3
Private truck 27.7 6.3 36.0 8.3 S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.9 0.4 44.0 0.3 43.7 1.4 18.8
Pipeline S S S
Multiple modes 25.9 6.6 S S S S 25.4
Parcel, USPS or courier 25.9 6.6 S S S S 25.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 40.0 5.1 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 29.1 31.2 29.2 15.3
Single modes 32.8 10.7 42.1 12.6 42.3 11.2 38.1
Truck 37.2 11.5 43.7 12.8 S S 28.4
For-hire truck 33.5 7.3 46.8 8.8 S S 23.7
Private truck S S S S 43.8 0.6 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 22.8
Pipeline S S S S S S S
Multiple modes 37.1 12.1 S S 34.5 12.0 11.2
Parcel, USPS or courier 37.1 12.1 S S 34.5 12.0 11.2
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 25.6 2.3 33.5 2.4 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 26.2 18.1 26.6 16.5
Single modes 24.1 3.5 19.9 4.5 28.6 2.8 21.1
Truck 23.2 8.2 20.5 5.9 29.0 7.4 31.1
For-hire truck 31.6 7.7 29.7 7.2 32.3 7.4 17.9
Private truck 38.7 7.5 36.8 7.0 40.5 2.1 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 25.0
Pipeline S S S
Multiple modes S S 37.0 1.1 38.0 2.5 11.4
Parcel, USPS or courier S S 37.9 1.2 40.3 2.5 11.4
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 46.9

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 S S 34.7 35.5 15.4
Single modes S S S S S S 24.3
Truck S S S S S S 29.9
For-hire truck S S S S S S 29.9
Private truck
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.7
Pipeline S S S
Multiple modes S S 38.5 8.3 39.6 9.1 15.3
Parcel, USPS or courier S S 38.5 8.3 39.6 9.1 15.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 40.0 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 28.5
Private truck S S S S S S S
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 45.7 11.5 S S S S S
Parcel, USPS or courier 45.7 11.5 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 30.5

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 S S S S 43.3 24.2
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 31.6
Private truck S S S S S S 29.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 40.5 18.5 40.1 19.4 43.8 13.5 24.4
Parcel, USPS or courier 40.5 18.5 40.1 19.4 43.8 13.5 24.4
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 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 13.9 49.5 33.1 30.0
Single modes 17.6 5.7 S S 38.3 9.6 S
Truck 24.0 10.9 S S 38.5 9.8 S
For-hire truck 26.4 10.9 39.6 11.7 40.0 11.3 14.9
Private truck S S S S 40.5 6.1 22.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.8 9.9 47.8 0.8 25.9 1.6 22.5
Pipeline S S S
Multiple modes 45.9 5.0 34.4 6.9 47.8 7.5 21.8
Parcel, USPS or courier 45.9 5.0 34.4 6.9 47.8 7.5 21.8
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 26.9

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 S S S S 27.7
Single modes S S S S S S 29.6
Truck S S S S S S 32.3
For-hire truck S S S S S S 31.2
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 S S S S S S 31.6

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 46.9 34.7 S S S
Single modes S S 36.1 11.9 S S S
Truck S S 36.1 11.9 S S S
For-hire truck S S S S S S 43.6
Private truck 49.0 12.8 32.8 14.7 S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 49.0 0.3 S S S S 27.3
Pipeline S S S
Multiple modes 48.3 11.3 44.5 11.4 38.7 9.7 21.1
Parcel, USPS or courier 48.5 11.3 44.6 11.2 38.3 8.9 21.2
Truck and rail
Truck and water S S S S S S 27.9
Rail and water
Other Multiple modes
Other and unknown modes S S 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 20.8 46.7 S S 27.0
Single modes 22.6 9.9 46.8 10.3 S S 37.9
Truck 21.4 9.5 46.9 10.3 S S S
For-hire truck 43.1 8.7 S S S S 45.3
Private truck 26.8 11.6 S S S S 30.5
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 45.5 10.0 44.0 10.3 44.8 15.5 35.2
Parcel, USPS or courier 45.5 10.0 44.0 10.3 44.8 15.5 35.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 42.8 S S S

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.