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 8.3 10.4 11.0 9.4
Single modes 8.9 1.4 10.5 0.2 11.1 0.4 11.2
Truck 8.8 1.5 11.6 2.6 11.3 3.2 9.2
For-hire truck 10.6 3.4 13.6 4.1 14.2 2.4 6.0
Private truck 17.6 4.0 19.5 5.1 9.8 2.1 7.5
Rail 14.9 0.5 21.4 2.6 17.6 3.4 13.5
Water S S S S S S 32.1
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft S S S S S S 31.1
Air (including truck and air) 26.6 0.2 33.0 30.8 4.3
Pipeline S S S
Multiple modes 14.7 0.9 24.7 25.0 0.3 5.1
Parcel, USPS or courier 16.4 0.9 17.1 14.7 5.0
Truck and rail 27.6 29.4 29.6 0.2 19.3
Truck and water S S S S S S 49.6
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 38.6 0.8 21.3 0.2 31.3 0.3 19.5

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 23.4
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 28.3
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 26.0
Parcel, USPS or courier S S 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 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 46.6 S S 40.3 S
Single modes 46.5 0.3 S S 39.9 0.3 S
Truck 45.8 2.7 S S 37.3 2.8 S
For-hire truck S S S S 48.7 9.2 S
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) S S S S S S 31.6
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 31.2 44.3 45.3 S
Single modes 31.2 0.1 44.3 45.4 0.2 S
Truck 31.2 0.1 44.3 45.4 0.2 S
For-hire truck 47.8 9.0 S S S S 14.0
Private truck 36.7 9.0 30.7 9.2 21.3 6.7 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 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

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 42.0 41.3 S S 27.7
Single modes 42.0 41.3 S S 27.7
Truck 42.0 41.3 S S 27.7
For-hire truck S S S S S S 27.9
Private truck S S S S 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 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 34.2 32.5 26.3 19.6
Single modes 34.2 0.5 32.6 0.3 26.3 0.2 29.7
Truck 35.5 7.7 36.9 8.9 26.6 10.6 22.8
For-hire truck S S 35.1 4.6 41.7 10.0 21.7
Private truck 40.5 12.4 41.3 9.2 30.4 11.5 26.5
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 S S S S S S 30.1
Parcel, USPS or courier S S S S S S 30.1
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 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 31.5 32.1 38.0 26.1
Single modes 31.5 0.2 32.2 0.4 38.0 0.1 26.3
Truck 31.5 0.2 32.2 0.4 38.0 0.1 26.3
For-hire truck S S S S S S 27.9
Private truck 32.8 2.6 34.9 5.8 38.1 0.3 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 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 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 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 47.6 30.5 40.8 23.7
Single modes S S 34.2 9.8 46.5 9.9 27.6
Truck S S 40.3 11.5 S S 31.4
For-hire truck S S 39.9 10.0 S S 30.0
Private truck S S S S S S 30.8
Rail 45.6 10.7 47.2 9.8 S S 26.7
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 31.4

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 27.8 23.8 24.2 21.7
Single modes 27.8 23.8 24.1 21.7
Truck 28.4 1.8 24.4 2.3 24.2 0.7 21.5
For-hire truck 45.2 6.4 36.0 5.5 42.9 7.5 20.3
Private truck 33.1 7.7 28.4 6.6 27.0 8.5 23.8
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 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 S S S S S S 25.7
Single modes S S S S S S 25.0
Truck S S S S S S 25.0
For-hire truck S S S S S S 25.1
Private truck S S S S S S 29.8
Rail S S S S S S 28.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 35.8
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 31.6

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 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 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 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 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 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 S S S S S S 16.6
Single modes S S S S S S 16.6
Truck S S S S S S 16.6
For-hire truck 33.8 13.1 39.5 13.0 45.0 13.2 21.1
Private truck S S S S S S 22.7
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 41.8 40.3 S S S
Single modes 41.8 40.3 S S S
Truck 41.8 40.3 S S S
For-hire truck S S S S S S S
Private truck S S 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 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 37.5 34.0 S S S
Single modes 37.6 0.5 34.0 S S S
Truck 37.6 0.5 34.0 S S S
For-hire truck 37.6 8.0 40.3 9.2 48.7 11.9 32.7
Private truck S S 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 S S 29.9
Parcel, USPS or courier S S S S S S 29.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 34.5 25.1 42.6 17.2
Single modes 34.3 4.4 25.0 3.5 42.7 4.2 17.6
Truck 41.0 11.5 39.5 13.4 S S 15.0
For-hire truck 39.6 9.4 47.2 8.9 S S 12.1
Private truck S S 34.9 9.4 46.8 4.1 41.6
Rail 40.6 11.6 39.5 14.3 40.6 12.9 23.8
Water
Shallow draft
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 47.8 4.2 36.3
Parcel, USPS or courier S S S S S S S
Truck and rail S S S S S S 30.0
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 S S S S 43.4 16.9
Single modes S S S S S S 28.8
Truck S S S S S S 28.8
For-hire truck S S S S S S 31.6
Private truck S S S S S S 27.6
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 14.6
Parcel, USPS or courier S S S S S S 14.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 45.4 5.2 45.3 10.5 44.3 14.7 26.1

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 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 30.0
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 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 46.1 S S S
Single modes 27.2 2.3 46.1 0.3 S S 46.4
Truck 26.1 2.4 46.0 3.3 49.3 4.4 46.9
For-hire truck 31.5 11.7 S S S S 27.4
Private truck 48.7 11.3 49.7 13.2 43.6 13.1 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 31.8
Parcel, USPS or courier S S S S S S 31.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 47.6 0.2 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 13.3 16.3 18.5 22.1
Single modes 13.4 1.0 16.4 0.3 19.0 1.7 34.0
Truck 14.3 3.1 16.6 4.5 21.9 6.8 37.4
For-hire truck 13.4 4.3 17.1 5.3 18.3 6.3 6.8
Private truck 26.4 4.6 28.1 4.5 S S S
Rail 35.3 2.8 35.0 4.7 36.3 7.8 19.8
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 49.8 49.4 20.7
Pipeline S S S
Multiple modes 28.9 0.9 37.5 0.2 S S 11.6
Parcel, USPS or courier 40.7 0.9 25.1 34.7 10.8
Truck and rail S S S S 42.7 0.7 26.3
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes 48.4 0.2 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 24.4
Single modes S S S S S S 24.4
Truck S S S S S S 24.4
For-hire truck S S S S S S 24.7
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 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 S S 31.4 37.5 16.3
Single modes S S 31.6 1.2 37.7 0.7 16.6
Truck S S 33.5 2.7 38.9 4.3 17.0
For-hire truck S S 44.8 6.4 45.0 6.0 8.0
Private truck 22.8 11.7 36.7 7.2 39.8 7.1 10.8
Rail 45.4 2.8 S S S S 6.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 32.9
Parcel, USPS or courier S S S S S S 29.3
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 39.8 0.3 43.7 1.1 40.1 0.3 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 S S 45.8 S S 13.6
Single modes S S 45.8 0.6 S S 13.5
Truck S S 49.3 5.5 S S 13.5
For-hire truck S S S S S S 6.6
Private truck 28.4 1.6 40.0 1.1 27.0 21.0
Rail S S 42.3 5.1 44.5 6.6 11.5
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)
Pipeline S S S
Multiple modes 47.6 0.9 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 28.0
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.8

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 33.6 33.1 27.8 27.0
Single modes 35.2 9.0 37.2 8.8 30.2 6.2 35.7
Truck 35.3 8.9 37.3 8.8 30.6 6.2 31.9
For-hire truck 38.0 11.4 42.4 11.7 32.7 7.1 S
Private truck 41.6 10.9 43.3 10.4 32.6 5.4 29.5
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 S S S S S S S
Parcel, USPS or courier S S S S S S S
Truck and rail
Truck and water S S S S S S 30.4
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 40.6 29.8 29.5 11.3
Single modes 36.1 12.3 33.5 16.3 32.5 16.8 23.2
Truck 44.3 13.5 34.9 17.8 34.6 18.8 S
For-hire truck 39.8 13.6 37.7 17.5 36.8 17.8 27.1
Private truck S S S S S S 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.5
Pipeline S S S
Multiple modes S S 50.0 14.2 38.9 15.0 7.2
Parcel, USPS or courier S S 50.0 14.2 38.9 15.0 7.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 49.6 4.6 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 11.7 30.0 23.3 4.5
Single modes 12.4 1.4 28.1 1.1 21.5 1.2 5.7
Truck 12.5 1.3 28.1 1.1 21.6 1.2 4.9
For-hire truck 16.2 5.9 34.4 4.8 25.6 4.4 4.0
Private truck 37.0 6.2 23.6 5.3 33.0 4.5 15.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 45.9 S S 12.6
Pipeline S S S
Multiple modes 27.4 1.4 S S 24.3 0.8 4.7
Parcel, USPS or courier 31.1 1.4 27.9 0.5 28.5 0.8 4.6
Truck and rail S S S S S S 31.6
Truck and water S S S S S S S
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 44.8 0.3 S S S S 29.3

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 24.6 39.0 19.3 S
Single modes 25.1 0.9 39.1 0.3 19.4 0.2 S
Truck 25.5 1.1 39.5 0.9 18.9 2.2 S
For-hire truck 17.2 10.0 32.1 13.9 15.4 7.3 22.4
Private truck 47.7 10.4 46.6 14.1 30.6 6.3 S
Rail 23.3 0.5 33.7 0.8 25.5 2.3 S
Water
Shallow draft
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 45.8
Parcel, USPS or courier S S S S S S 45.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 47.6 0.1 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 13.2 21.6 19.2 11.2
Single modes 13.2 4.3 21.2 1.0 19.3 0.7 8.2
Truck 11.6 5.5 18.4 6.3 16.8 8.0 8.2
For-hire truck 14.4 5.3 24.5 5.7 20.6 7.1 10.3
Private truck 16.2 2.9 23.0 8.0 27.5 4.0 19.1
Rail 25.5 3.7 29.8 6.0 27.3 7.9 23.0
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 S S S S 30.0
Pipeline S S S
Multiple modes S S S S S S 22.1
Parcel, USPS or courier S S S S S S 22.1
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 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 41.9 41.8 S S 19.5
Single modes 45.6 6.7 41.1 0.6 49.2 1.0 29.7
Truck 47.7 8.0 45.6 6.2 S S 30.6
For-hire truck S S 46.4 8.1 S S 15.4
Private truck 26.8 5.6 45.4 7.5 S S 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 26.7
Pipeline S S S
Multiple modes S S S S S S 25.9
Parcel, USPS or courier S S S S S S 25.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 48.5

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 20.9 40.6 38.8 25.5
Single modes 23.7 5.0 42.4 4.0 39.3 1.4 41.9
Truck 23.8 5.0 42.4 4.0 39.3 1.4 42.4
For-hire truck 22.6 9.2 35.5 11.4 43.7 11.3 15.7
Private truck 47.2 9.3 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 28.8 0.1 42.5 S S 12.4
Pipeline S S S
Multiple modes 47.4 4.0 20.7 0.5 24.1 0.9 11.1
Parcel, USPS or courier 47.5 4.0 20.7 0.5 24.2 0.9 11.1
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 25.3

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 17.7 17.3 26.9 16.2
Single modes 20.5 4.6 17.2 1.5 27.1 0.7 23.7
Truck 22.4 5.1 17.5 1.9 28.2 2.3 25.1
For-hire truck 24.7 4.5 18.7 4.9 28.9 2.5 5.5
Private truck 30.5 2.4 S S 47.4 1.2 S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 31.6 1.5 29.4 0.4 41.5 1.0 8.3
Pipeline S S S
Multiple modes 41.4 4.9 21.2 0.6 25.6 0.7 10.3
Parcel, USPS or courier 41.6 4.9 22.0 0.6 26.3 0.7 10.3
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 26.2 0.9 S S 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 26.7 19.6 17.9 38.5
Single modes 27.1 1.8 20.6 2.7 19.4 4.0 S
Truck 23.8 4.0 21.5 3.1 19.3 4.2 S
For-hire truck 25.6 3.9 23.0 4.7 19.0 4.0 8.3
Private truck 23.7 4.8 23.2 4.4 36.2 1.0 S
Rail 45.1 4.6 47.1 2.7 44.7 3.4 26.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.8
Pipeline S S S
Multiple modes 32.9 0.8 48.6 2.6 48.9 4.1 11.3
Parcel, USPS or courier S S 41.4 0.2 48.8 0.3 11.6
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 S S S S S S 27.6
Single modes S S S S S S 28.0
Truck S S S S S S 29.7
For-hire truck S S S S S S 30.1
Private truck S S S S S S 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.3
Pipeline S S S
Multiple modes S S S S S S 29.0
Parcel, USPS or courier S S S S S S 29.0
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 30.4 32.1 30.1 19.5
Single modes 31.3 11.2 33.4 10.5 31.1 10.5 41.2
Truck 33.6 11.9 34.2 10.8 32.2 10.7 44.2
For-hire truck 34.0 12.3 35.2 13.3 32.2 13.3 16.7
Private truck S S S S S S 29.6
Rail
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 S S 49.3 10.5 49.3 10.5 21.7
Parcel, USPS or courier S S 49.3 10.5 49.3 10.5 21.7
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 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 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 26.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.0
Pipeline S S S
Multiple modes S S S S S S 23.7
Parcel, USPS or courier S S S S S S 23.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 23.8 30.8 25.8 13.2
Single modes 24.6 3.1 31.1 0.8 26.1 1.2 21.2
Truck 25.2 3.2 31.1 0.8 26.1 1.2 22.6
For-hire truck 23.4 9.1 28.3 8.8 28.5 7.2 6.3
Private truck 34.8 7.1 42.2 8.7 43.4 6.5 S
Rail
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 38.1 3.1 46.8 0.7 47.8 1.2 7.9
Parcel, USPS or courier 38.1 3.1 46.8 0.7 47.8 1.2 7.9
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 S S S S S S 35.0
Single modes S S S S S S 35.0
Truck S S S S S S 36.3
For-hire truck S S S S S S 42.0
Private truck S S S S S S 27.5
Rail S S S S S S 28.3
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 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 38.7 18.3 17.8 S
Single modes 39.6 2.4 18.4 0.3 17.8 0.4 37.8
Truck 39.6 2.4 18.4 0.3 17.8 0.4 37.8
For-hire truck 44.3 7.1 37.8 4.9 42.1 8.8 34.6
Private truck 44.3 7.3 21.0 4.9 17.9 8.7 14.6
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 37.2 2.2 37.9 0.1 47.8 0.4 22.7
Parcel, USPS or courier 37.2 2.2 37.9 0.1 47.8 0.4 22.7
Truck and rail
Truck and water
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 47.4 44.1 S S 24.3
Single modes 46.5 4.3 44.3 0.2 S S 41.3
Truck 46.5 4.3 44.3 0.2 S S 41.3
For-hire truck 32.1 17.8 S S S S 17.1
Private truck S S S S 49.2 15.2 46.5
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 25.9
Parcel, USPS or courier S S S S S S 25.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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.