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 6.9 8.1 12.4 15.1
Single modes 6.8 2.2 12.8 5.8 13.5 2.6 14.6
Truck 7.2 2.1 13.9 4.8 18.4 2.5 13.9
For-hire truck 10.0 1.3 20.8 2.2 23.5 2.7 17.7
Private truck 7.7 2.7 13.0 3.4 13.1 0.8 15.9
Rail 13.4 1.7 16.5 2.5 13.2 3.7 6.8
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) 32.7 0.1 S S S S 15.7
Pipeline S S S S S S S
Multiple modes 14.3 1.2 S S S S 14.1
Parcel, USPS or courier 14.2 1.2 26.0 27.8 14.1
Truck and rail S S S S S S 30.4
Truck and water S S S S S S 27.9
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes 30.2 2.0 17.3 5.9 16.2 0.5 S

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 28.5 28.6 23.2 29.2
Single modes 28.4 0.5 28.5 0.5 24.8 5.2 29.3
Truck 41.2 10.1 41.3 10.3 45.1 4.0 19.2
For-hire truck 45.4 7.8 40.8 7.0 45.5 3.7 23.5
Private truck S S S S S S 37.1
Rail 21.8 10.5 26.4 10.6 22.3 7.1 17.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 23.2 30.0 40.0 22.7
Single modes 23.2 30.0 40.0 22.7
Truck 13.2 8.1 26.2 9.1 20.9 13.7 26.3
For-hire truck 19.4 9.8 31.3 10.3 21.0 13.6 26.7
Private truck 26.6 6.1 40.4 6.5 48.1 5.6 16.2
Rail S S S S S S 22.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 28.2
Parcel, USPS or courier S S S S S S 28.2
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 26.8 16.9 18.6 32.3
Single modes 28.5 4.6 17.0 0.4 18.6 30.0
Truck 45.5 9.3 31.8 7.3 34.5 5.8 30.8
For-hire truck 38.3 6.6 30.0 6.3 32.4 4.6 14.5
Private truck S S 45.7 5.0 S S S
Rail 22.5 9.2 18.2 7.2 22.6 5.8 7.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 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 40.7 30.5 S S 19.2
Single modes 40.7 30.5 S S 19.2
Truck 40.7 30.5 S S 19.2
For-hire truck S S S S S S 29.8
Private truck 29.6 11.0 25.0 8.1 26.6 14.4 20.1
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 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 21.2 42.1 S S S
Single modes 21.4 0.7 42.4 1.1 S S S
Truck 18.5 7.2 39.9 12.4 48.1 17.3 S
For-hire truck 49.8 7.8 S S S S 26.7
Private truck 20.9 12.9 19.9 19.4 S S S
Rail S S S S S S 23.9
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 41.1 0.7 48.2 1.1 S S S

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 16.0 14.9 14.9 23.2
Single modes 16.0 0.2 15.0 0.2 15.0 0.2 23.2
Truck 28.2 7.0 30.7 6.3 43.3 4.3 20.5
For-hire truck 39.5 4.6 29.4 3.9 28.0 2.3 18.4
Private truck 27.1 5.2 37.4 4.6 S S 20.3
Rail 11.4 6.7 11.5 6.2 13.7 4.2 6.9
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 S S S S S S 29.8
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 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 13.0 32.6 40.6 14.0
Single modes 17.0 6.5 34.7 7.1 40.8 7.0 S
Truck 19.5 9.9 42.5 11.8 S S 16.8
For-hire truck S S S S S S 31.6
Private truck 18.0 9.8 36.0 12.1 S S 16.8
Rail 41.4 6.7 41.1 11.6 S S 25.9
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 45.2 6.5 S S 49.9 7.0 28.7

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 28.1
Single modes S S S S S S 28.2
Truck S S S S S S 28.2
For-hire truck
Private truck S S S S S S 28.2
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 31.3
Parcel, USPS or courier S S S S S S 31.3
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
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 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 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 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 42.4 42.5 S S 28.0
Single modes 42.4 42.5 S S 28.0
Truck 42.4 42.5 S S 28.0
For-hire truck S S S S S S 31.6
Private truck 42.5 0.9 42.6 1.7 48.0 1.4 28.5
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

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 43.9 44.3 S S 30.1
Single modes 43.9 44.3 S S 30.1
Truck 43.9 44.3 S S 30.1
For-hire truck
Private truck 43.9 44.3 S S 30.1
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 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
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 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 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 16.1 17.0 17.1 22.9
Single modes 28.3 3.1 30.5 3.3 20.7 7.9 22.8
Truck 41.2 3.6 41.5 4.0 44.8 5.6 24.8
For-hire truck
Private truck 41.2 3.6 41.5 4.0 44.8 5.6 24.8
Rail 43.8 3.2 43.8 3.3 43.8 9.8 25.8
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 16.6 3.1 17.2 3.3 21.4 7.9 8.2

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 16.2 20.0 10.4 21.8
Single modes 16.2 0.1 20.0 0.1 10.4 21.7
Truck 16.2 0.1 20.0 0.1 10.4 21.7
For-hire truck 33.1 7.2 41.6 8.3 28.7 11.4 24.4
Private truck 18.5 7.2 21.9 8.3 17.7 11.4 24.3
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 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 14.3 16.2 17.3 25.3
Single modes 14.4 0.3 16.3 0.2 17.4 0.1 25.3
Truck 14.4 0.3 16.3 0.2 17.4 0.1 25.3
For-hire truck 35.6 7.2 39.5 7.8 39.5 10.2 S
Private truck 10.3 7.2 11.5 7.8 18.7 10.2 20.1
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 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 33.3 40.5 S S S
Single modes 33.4 5.2 40.2 7.3 S S S
Truck 32.5 4.9 36.9 8.2 S S S
For-hire truck S S S S S S S
Private truck 33.2 5.2 38.8 8.7 S S S
Rail S S S S S S 31.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 37.5
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 35.0

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 S S S S S S 31.1
Single modes S S S S S S 31.0
Truck S S S S S S 31.0
For-hire truck S S S S S S 31.6
Private truck S S S S S S 31.0
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 37.9

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 S S 25.9
Single modes S S S S S S 25.5
Truck S S S S S S 25.5
For-hire truck S S S S S S 31.6
Private truck S S S S S S 27.1
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 47.3 9.5 48.7 11.3 49.5 12.1 26.4
Parcel, USPS or courier 47.3 9.5 48.7 11.3 49.5 12.1 26.4
Truck and rail
Truck and water
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 40.6
Single modes S S S S S S 40.6
Truck S S S S S S 40.6
For-hire truck S S S S S S 31.7
Private truck S S S S S S 39.1
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 26.6 32.5 27.7 32.2
Single modes 26.9 1.0 33.2 2.4 28.0 1.5 22.2
Truck 26.9 1.0 33.2 2.4 28.0 1.5 22.2
For-hire truck 48.7 5.4 S S 46.5 9.1 27.4
Private truck 27.8 5.1 35.6 4.1 32.2 8.9 20.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 39.9 0.4 34.7 0.3 31.2 1.4 S
Parcel, USPS or courier 39.9 0.4 34.7 0.3 31.2 1.4 S
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 38.2 0.9 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 31.6 35.4 22.7 S
Single modes 25.1 5.2 32.4 2.6 23.5 2.2 S
Truck 25.1 5.2 32.4 2.6 23.5 2.2 49.9
For-hire truck 24.6 9.0 32.8 8.5 26.3 6.5 S
Private truck S S 46.0 7.6 44.1 6.5 23.1
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 43.4 3.7 S S 25.9 2.3 S
Parcel, USPS or courier 43.4 3.7 S S 25.9 2.3 S
Truck and rail
Truck and water
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 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 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 13.5 37.3 24.4 S
Single modes 11.9 3.4 37.5 1.0 24.9 1.5 S
Truck 11.9 3.4 37.5 1.0 24.9 1.5 S
For-hire truck 48.8 8.6 46.5 9.7 S S 27.1
Private truck 15.4 8.4 43.0 9.5 33.3 12.6 37.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 37.8 36.0 41.3 24.2
Parcel, USPS or courier 37.8 36.0 41.3 24.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 20.6 28.6 27.4 20.1
Single modes 20.8 5.7 28.7 6.1 27.3 10.2 20.8
Truck 20.8 5.7 28.7 6.1 27.3 10.2 20.8
For-hire truck S S S S S S 25.9
Private truck 25.9 9.7 35.0 10.3 34.3 12.0 21.1
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 29.6
Parcel, USPS or courier S S S S S S 29.6
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 35.2 49.2 S S 24.6
Single modes 36.1 3.9 49.5 5.8 S S 26.0
Truck 36.1 3.9 49.5 5.8 S S 26.0
For-hire truck S S S S S S 26.8
Private truck 33.8 13.4 34.3 17.7 S S 49.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 44.0 2.8 S S S S 25.8
Parcel, USPS or courier 44.0 2.8 S S S S 25.8
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 33.4 32.2 44.6 20.9
Single modes 48.2 11.9 43.4 11.2 S S 48.2
Truck 48.3 11.7 43.7 11.3 S S 33.2
For-hire truck S S S S S S 30.7
Private truck 43.7 10.5 46.7 9.9 S S 39.2
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 47.4 11.1 S S S S 16.4
Parcel, USPS or courier 47.4 11.1 S S S S 16.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 45.1 2.0 S S S S 29.3

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 S S S S S S 18.7
Single modes S S S S S S 44.2
Truck S S S S S S 44.0
For-hire truck S S S S S S 31.8
Private truck S S S S S S 29.1
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 48.8 13.2 14.2
Parcel, USPS or courier S S S S 48.8 13.2 14.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 24.0 37.7 23.7 S
Single modes 20.6 6.9 38.0 3.5 23.7 8.9 S
Truck 20.6 6.9 38.0 3.5 23.7 8.9 S
For-hire truck 37.5 10.7 S S S S S
Private truck 29.9 9.8 44.0 9.4 31.1 11.3 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 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 S S S S S S 23.5
Single modes S S S S S S 20.7
Truck S S S S S S 20.7
For-hire truck S S S S S S S
Private truck S S S S S S 21.0
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 49.3
Parcel, USPS or courier S S S S S S 49.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 46.2 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 24.1 38.2 48.9 40.1
Single modes 24.8 6.8 40.4 3.0 S S 25.7
Truck 24.7 6.8 40.4 3.0 S S 25.7
For-hire truck 44.7 9.6 S S S S 43.1
Private truck 31.6 7.2 27.4 9.6 32.3 11.6 13.5
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 42.7 6.2 45.1 2.8 S S 15.4
Parcel, USPS or courier 42.7 6.2 45.1 2.8 S S 15.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 44.0 1.4 37.7 1.5 31.3 0.9 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 22.6 21.4 22.7 S
Single modes 25.1 7.0 21.7 4.2 24.2 4.5 S
Truck 27.0 6.9 23.2 4.8 26.8 5.9 S
For-hire truck 19.2 9.8 29.3 11.7 32.9 13.2 14.7
Private truck 37.2 13.6 36.0 14.0 41.9 16.1 S
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 30.0
Pipeline S S S
Multiple modes 30.4 7.2 33.7 4.3 46.9 4.5 33.2
Parcel, USPS or courier 30.9 7.2 34.9 4.3 S S 33.5
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 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 21.2 25.5 36.1 36.6
Single modes 21.5 6.6 28.6 6.1 37.7 7.4 45.6
Truck 22.5 8.0 28.7 7.3 38.0 10.5 47.0
For-hire truck 27.0 10.8 35.7 13.6 40.4 15.8 S
Private truck 33.1 5.2 S S S S 33.6
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 25.0 6.2 28.9 4.8 24.6 6.6 29.1
Parcel, USPS or courier 25.0 6.2 28.9 4.8 24.5 6.5 29.2
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 41.2 4.5 S S 48.9 2.5 20.8

SCTG 36, Motorized and other vehicles (including parts)

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 33.3 24.2 36.6 15.7
Single modes 21.9 12.5 29.8 11.7 37.1 10.5 22.8
Truck 19.4 12.8 30.7 11.5 43.1 12.4 18.6
For-hire truck 32.7 6.9 37.6 7.2 37.9 8.8 35.6
Private truck 21.3 10.4 28.2 10.3 S S 19.4
Rail S S S S S S 26.8
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 29.1
Parcel, USPS or courier S S S S S S 29.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 45.2 46.6 42.5 22.1
Single modes S S S S S S 25.7
Truck S S S S S S 28.7
For-hire truck S S S S S S 28.6
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 27.1
Pipeline S S S
Multiple modes 41.2 9.8 46.2 10.3 46.2 9.7 23.2
Parcel, USPS or courier 41.2 9.8 46.2 10.3 46.2 9.7 23.2
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 S S S S S S 39.5
Single modes S S S S S S 32.3
Truck S S S S S S 32.3
For-hire truck S S S S S S 31.6
Private truck S S S S S S 28.2
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 30.0
Parcel, USPS or courier S S S S S S 30.0
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 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 26.6 28.1 35.7 22.6
Single modes 29.4 5.1 28.7 2.3 37.6 10.6 27.6
Truck 29.4 5.1 28.7 2.3 37.6 10.6 27.6
For-hire truck 43.9 11.5 38.6 13.5 38.2 18.5 22.0
Private truck 30.1 9.4 27.5 12.3 44.9 12.4 46.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 49.6 5.0 40.3 2.2 47.9 10.6 26.2
Parcel, USPS or courier 49.6 5.0 40.3 2.2 47.9 10.6 26.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 33.4

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 25.3 S S 28.3 24.8
Single modes 31.0 9.6 S S 38.2 12.0 31.4
Truck 30.6 9.5 S S 38.4 12.0 31.9
For-hire truck S S 48.6 10.3 43.1 10.2 27.1
Private truck 29.8 9.9 S S 46.1 12.9 24.0
Rail
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 29.6 10.1 38.9 10.7 50.0 12.1 18.6
Parcel, USPS or courier 29.6 10.1 38.9 10.7 50.0 12.1 18.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 28.9
Single modes S S S S S S 28.9
Truck S S S S S S 28.6
For-hire truck S S S S S S 28.8
Private truck S S S S S S 32.2
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 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 12.0 18.7 16.6 28.9
Single modes 13.2 2.1 19.2 4.3 18.2 9.2 9.9
Truck 13.2 2.1 19.2 4.3 18.2 9.2 9.9
For-hire truck S S S S S S 28.4
Private truck 13.4 2.2 19.3 4.3 18.3 9.2 10.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 39.6 2.1 S S S S 23.2
Parcel, USPS or courier 39.6 2.1 S S S S 23.2
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 S S S S 47.9 S
Single modes S S S S 46.5 6.6 S
Truck S S S S S S 21.0
For-hire truck S S S S S S 29.4
Private truck S S S S 49.5 17.8 26.1
Rail S S S S S S 29.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 26.6
Parcel, USPS or courier S S S S S S 26.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.4

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.