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 14.5 13.4 19.1 9.6
Single modes 16.5 2.1 14.1 3.7 19.8 1.1 25.7
Truck 18.1 2.1 17.5 4.6 13.1 6.5 21.1
For-hire truck 29.1 4.4 17.9 2.4 13.5 5.7 12.2
Private truck 10.5 3.0 20.9 4.7 24.3 5.1 19.7
Rail 29.6 1.5 25.0 4.8 32.1 6.5 11.5
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 24.7 0.5 S S S S 3.6
Pipeline 19.9 0.5 21.0 1.2 S S S
Multiple modes 10.6 2.1 39.7 0.2 43.6 0.7 4.1
Parcel, USPS or courier 11.0 2.1 13.1 16.9 0.2 4.1
Truck and rail 40.6 0.1 S S S S 34.6
Truck and water 40.1 45.9 46.0 18.3
Rail and water
Other Multiple modes S S S S S S 35.6
Other and unknown modes 26.3 0.6 36.3 3.8 33.7 0.8 48.3

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

SCTG 2, Cereal grains

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 31.6
Single modes S S S S S S 31.6
Truck S S S S S S 31.6
For-hire truck
Private truck S S S S S S 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 3, Other agricultural products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 41.1 39.3 41.5 25.1
Single modes 41.1 39.3 41.5 25.1
Truck 41.1 39.3 41.5 25.1
For-hire truck 43.2 8.6 43.3 8.4 44.8 8.7 24.2
Private truck 43.6 8.6 40.5 8.4 42.9 8.7 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 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 49.5 31.0
Single modes S S S S 49.5 31.0
Truck S S S S S S 31.8
For-hire truck S S S S S S 34.0
Private truck S S S S S S 31.0
Rail S S S S S S 30.3
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 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 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 26.6
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 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 25.5 27.4 34.3 33.0
Single modes 26.0 2.0 23.6 4.4 29.7 7.8 34.0
Truck 27.2 4.3 24.9 9.5 30.5 13.5 34.4
For-hire truck 37.9 12.0 32.3 12.9 41.9 14.8 21.9
Private truck 33.3 12.3 35.0 12.5 33.7 14.9 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 34.3
Parcel, USPS or courier S S S S S S 31.6
Truck and rail S S S S S S 29.8
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 30.6

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 25.0 17.9 18.9 24.9
Single modes 24.7 0.5 17.8 18.9 0.4 31.8
Truck 24.7 0.5 17.8 18.9 0.4 33.5
For-hire truck 34.3 11.6 26.3 11.9 33.0 13.8 32.3
Private truck 35.3 11.5 29.4 11.9 30.0 13.8 20.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 26.7
Parcel, USPS or courier S S S S S S 26.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 23.4 23.1 31.6 16.0
Single modes 27.9 9.9 28.4 10.0 26.0 11.3 18.7
Truck 27.9 9.9 28.4 10.0 26.0 11.3 18.7
For-hire truck
Private truck 27.9 9.9 28.4 10.0 26.0 11.3 18.7
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 33.5
Parcel, USPS or courier S S S S S S 31.6
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 S

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
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 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 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 34.8
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 S S S S S S 31.6

SCTG 11, Natural sands

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 31.8
Single modes S S S S S S 27.6
Truck S S S S S S 27.6
For-hire truck S S S S S S 31.6
Private truck S S S S S S 28.4
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 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 S S 41.1 S S 33.1
Single modes S S 42.8 5.9 S S 33.0
Truck S S 43.7 5.8 S S 27.2
For-hire truck S S S S S S 31.4
Private truck S S S S S S 24.1
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
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 39.0

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 43.1 44.5 S S 19.6
Single modes 43.2 2.2 44.5 2.2 S S 18.6
Truck S S 40.1 12.6 36.4 14.9 18.9
For-hire truck S S 42.2 12.4 40.5 14.1 36.1
Private truck 46.0 7.3 S S S S 22.1
Rail S S S S S S 26.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S S S S S
Multiple modes 42.0 0.6 S S S S 26.4
Parcel, USPS or courier 42.0 0.6 S S S S 26.4
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 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 38.5 S S S S S
Single modes S S S S S S 27.9
Truck S S S S S S 27.9
For-hire truck S S S S S S 27.9
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 49.0 15.7 S S S S 31.1

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 17.1 17.6 19.4 S
Single modes 12.6 5.8 11.5 7.6 19.8 1.1 S
Truck 32.3 8.3 30.8 7.5 35.8 10.5 20.1
For-hire truck 33.4 8.4 30.8 7.5 35.8 10.5 21.3
Private truck S S S S S S S
Rail 26.4 13.5 23.9 13.5 25.6 11.2 9.7
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 42.3 5.8 46.1 7.6 40.4 1.1 S

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 19.4 21.3 34.6 18.1
Single modes 19.4 21.3 34.6 18.1
Truck 20.3 5.9 22.4 5.4 37.1 7.7 18.1
For-hire truck 25.5 4.9 24.3 4.5 25.3 5.0 23.0
Private truck 17.7 6.1 25.2 5.7 40.6 7.9 19.5
Rail S S S S S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline 23.2 5.9 23.5 5.5 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 23.6 26.2 28.7 13.5
Single modes 23.6 26.2 28.7 13.4
Truck 28.3 6.8 30.5 7.2 29.5 6.7 14.5
For-hire truck 38.0 3.8 S S S S 29.1
Private truck 28.1 6.5 30.3 7.1 29.3 6.7 16.1
Rail S S 43.1 0.9 S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline 24.1 6.2 35.8 6.6 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 23.6 39.7 29.2 S
Single modes 26.4 6.2 38.2 3.2 30.1 3.1 S
Truck 25.9 10.3 48.1 9.6 37.6 18.1 S
For-hire truck 31.7 14.2 43.1 16.8 S S 26.3
Private truck 42.2 10.4 S S S S 26.5
Rail 42.3 8.0 41.3 9.3 41.3 19.0 47.5
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S S S S S
Multiple modes S S S S S S 46.1
Parcel, USPS or courier S S S S S S 43.0
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 26.8

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 25.1
Single modes S S S S S S S
Truck S S S S S S 32.1
For-hire truck S S S S S S 33.4
Private truck S S S S S S S
Rail S S S S S S 45.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes S S S S S S 27.4
Parcel, USPS or courier S S S S S S 27.5
Truck and rail S S S S S S 31.6
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 40.0

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 34.8 S S S S 30.1
Single modes 41.7 9.6 S S S S S
Truck 43.8 13.6 S S S S S
For-hire truck 47.9 11.0 S S S S S
Private truck 49.0 3.9 44.5 8.0 S S 25.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 37.5 8.5 38.1 8.5 21.2
Pipeline S S S
Multiple modes 38.0 9.6 35.7 6.7 38.5 6.1 21.8
Parcel, USPS or courier 38.0 9.6 35.7 6.7 38.5 6.1 21.8
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 28.6
Single modes S S S S S S 30.6
Truck S S S S S S 31.1
For-hire truck S S S S S S 42.2
Private truck S S S S S S 26.6
Rail S S S S S S 29.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.9
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 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 22.5 42.4 42.4 48.8
Single modes 23.7 3.6 45.1 6.7 42.5 4.9 S
Truck 23.7 3.6 45.1 6.7 42.5 4.9 S
For-hire truck 33.3 12.8 41.5 13.2 42.9 17.4 25.4
Private truck 33.1 13.0 S S S S 36.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.4
Pipeline S S S
Multiple modes S S 47.4 3.1 S S 28.4
Parcel, USPS or courier S S 47.2 3.1 S S 28.8
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 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 41.2 44.4 30.9 41.1
Single modes 27.8 8.1 32.1 6.6 32.3 3.4 S
Truck 28.3 8.1 32.1 6.6 31.4 3.4 35.4
For-hire truck 37.3 8.0 27.4 8.3 36.1 5.7 16.9
Private truck 48.0 7.9 S S 32.3 4.9 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 21.6
Pipeline S S S S S S S
Multiple modes 32.6 3.9 29.4 1.6 28.7 1.9 16.7
Parcel, USPS or courier 32.6 3.9 29.4 1.6 28.7 1.9 16.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 46.6 2.0 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 30.1
Single modes S S S S S S 30.2
Truck S S S S S S 30.2
For-hire truck
Private truck S S S S S S 30.2
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

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 12.2 33.8 S S 41.1
Single modes 12.7 1.1 34.6 1.5 S S 35.7
Truck 12.6 1.1 32.1 1.6 S S 35.9
For-hire truck 30.3 7.1 S S S S 17.8
Private truck 17.9 6.8 20.1 10.3 35.3 15.7 13.7
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 43.8 S S 28.9
Parcel, USPS or courier S S 43.8 S S 28.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 39.3 1.1 46.3 1.5 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 40.7 39.2 S S S
Single modes 41.4 1.7 39.6 1.0 S S S
Truck 41.4 1.7 39.6 1.0 S S S
For-hire truck S S S S S S 31.3
Private truck 48.7 11.5 44.1 11.0 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 36.3
Parcel, USPS or courier 45.1 0.8 45.2 0.4 S S 36.5
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 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 21.9 18.8 23.6 S
Single modes 22.3 3.8 19.0 3.0 23.7 3.6 S
Truck 22.3 3.8 19.0 3.0 23.7 3.6 S
For-hire truck 22.2 10.5 26.0 9.5 26.6 10.7 11.9
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 48.2 1.1 43.3 0.6 44.2 0.8 19.8
Parcel, USPS or courier S S S S S S 20.9
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

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 S S 31.1 39.3 12.1
Single modes S S 33.3 12.3 41.2 14.3 20.2
Truck S S 33.4 12.3 41.6 13.9 21.0
For-hire truck S S S S 46.5 11.9 18.1
Private truck S S 36.9 12.0 47.7 9.8 25.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 49.6 0.1 S S S S 33.1
Pipeline S S S
Multiple modes S S S S S S 5.5
Parcel, USPS or courier S S S S S S 5.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 32.6

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 27.6 40.1 33.6 9.4
Single modes 46.9 11.7 S S S S 30.0
Truck 47.2 11.6 S S S S 27.8
For-hire truck S S S S S S 17.1
Private truck 38.8 7.0 46.1 11.6 S S 38.9
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 24.1
Pipeline S S S
Multiple modes 35.5 11.3 31.9 14.9 35.4 14.9 4.3
Parcel, USPS or courier 35.5 11.3 31.9 14.9 35.4 14.9 4.3
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.2

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 38.2 S S S S 29.0
Single modes 39.1 6.2 S S S S 17.9
Truck 22.8 7.3 32.3 12.7 S S 18.8
For-hire truck 39.7 5.4 43.8 8.6 S S S
Private truck 32.0 8.6 S S 46.1 7.3 27.7
Rail S S S S S S 23.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.9
Pipeline S S S
Multiple modes 42.3 6.2 S S S S 18.9
Parcel, USPS or courier 49.8 6.6 47.4 35.8 1.2 19.1
Truck and rail S S S S S S 28.5
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 28.8 20.8 39.7 38.3
Single modes 31.0 4.9 21.1 1.0 40.0 0.6 45.1
Truck 15.2 14.1 23.7 9.9 26.4 14.1 37.3
For-hire truck 22.3 10.4 31.8 9.5 28.1 13.4 25.1
Private truck 18.2 7.4 24.1 7.8 42.4 3.8 33.0
Rail S S 42.2 10.1 S S 25.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S S S S S
Multiple modes S S S S S S 24.1
Parcel, USPS or courier S S S S S S 24.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 36.8

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 26.9 S S S S 19.8
Single modes 31.1 4.5 S S S S 26.1
Truck 25.4 4.3 39.6 13.7 S S 26.6
For-hire truck 38.1 6.4 S S S S 17.2
Private truck 20.2 6.7 38.0 13.0 35.0 8.5 S
Rail S S S S S S 31.3
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 37.2 4.3 45.5 0.9 48.7 3.2 9.8
Parcel, USPS or courier 35.8 3.7 44.8 0.4 31.7 0.4 9.8
Truck and rail S S S S S S 30.9
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes 47.3 2.0 48.8 0.8 S S 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 14.0 34.2 30.9 20.2
Single modes 18.7 6.9 35.0 7.9 32.9 7.1 21.5
Truck 19.9 7.7 35.0 8.0 33.0 7.6 20.6
For-hire truck 26.9 7.1 45.0 8.3 35.7 7.0 22.2
Private truck 30.8 6.5 S S S S 38.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 19.4
Pipeline S S S
Multiple modes 21.5 7.0 19.6 8.4 34.3 7.2 16.6
Parcel, USPS or courier 21.1 6.5 22.3 3.6 33.4 7.0 17.7
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 44.5 2.9 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 19.7 33.6 28.5 10.9
Single modes 24.1 9.0 34.9 7.7 29.0 7.2 19.9
Truck 27.6 7.4 35.1 10.3 29.4 12.8 21.7
For-hire truck 28.8 6.3 37.0 12.0 30.7 12.2 15.6
Private truck 32.9 2.9 36.6 3.5 S S S
Rail S S S S S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.7 9.1 27.0 4.7 26.6 9.3 14.0
Pipeline S S S S S S S
Multiple modes 29.9 8.8 25.8 6.9 40.5 6.3 10.0
Parcel, USPS or courier 30.3 8.7 29.0 7.0 33.3 6.5 10.4
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 44.4 0.8 47.6 0.9 32.4

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 S S S S S S 49.4
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 19.2
Private truck 48.9 10.8 36.5 9.2 39.1 9.2 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 28.2
Pipeline S S S
Multiple modes S S S S S S 18.5
Parcel, USPS or courier S S S S S S 18.2
Truck and rail
Truck and water 44.0 0.8 42.8 0.8 42.8 3.2 25.8
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 44.0 S S S S 9.5
Single modes 48.8 7.3 S S S S 12.6
Truck 45.0 9.8 S S S S 12.3
For-hire truck S S S S S S 20.5
Private truck S S S S S S 28.2
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 27.3 10.5 S S 46.2 16.0 12.5
Pipeline S S S
Multiple modes 26.9 7.4 33.4 7.7 43.3 6.6 18.6
Parcel, USPS or courier 26.9 7.4 33.4 7.7 43.3 6.6 18.6
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 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 18.6 S S S S 6.0
Single modes 30.2 8.6 S S S S 20.0
Truck 33.4 9.4 S S S S S
For-hire truck 38.2 8.8 S S S S 30.0
Private truck 33.5 2.8 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 46.5 2.3 36.7 3.9 37.9 8.5 7.6
Pipeline S S S
Multiple modes 19.0 8.7 30.7 16.5 22.0 17.1 3.4
Parcel, USPS or courier 19.0 8.7 30.7 16.5 22.0 17.1 3.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 41.5 47.3 S S 19.1
Single modes 42.1 14.3 47.6 14.7 S S 31.0
Truck 42.1 14.3 47.6 14.7 S S 31.0
For-hire truck 40.8 14.2 49.9 14.2 S S 25.5
Private truck S S S S S S 28.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 40.9 14.4 S S S S 21.7
Parcel, USPS or courier 39.1 14.5 47.8 14.9 47.9 14.7 21.7
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 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 14.1 36.1 26.2 12.4
Single modes 20.5 7.6 38.5 8.2 27.6 6.8 31.0
Truck 20.7 7.6 38.5 8.2 27.8 6.9 29.3
For-hire truck 24.1 8.9 47.2 10.7 29.1 9.3 12.6
Private truck 30.4 4.3 39.7 8.3 46.6 4.8 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 48.3 0.2 S S 17.6
Pipeline S S S
Multiple modes 20.4 7.0 36.2 7.9 35.4 6.8 13.0
Parcel, USPS or courier 20.5 6.7 35.3 7.7 32.9 6.2 13.0
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 39.9 0.8 34.0

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 30.9
Single modes S S S S S S 30.9
Truck S S S S S S 30.9
For-hire truck S S S S S S 31.3
Private truck S S S S S S 34.2
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 15.2 12.6 15.0 39.7
Single modes 15.7 1.7 12.6 15.0 0.1 43.7
Truck 15.7 1.7 12.6 15.0 0.1 31.7
For-hire truck 27.2 7.8 23.7 6.3 18.0 5.5 21.1
Private truck 19.8 7.2 15.0 6.3 23.0 5.5 24.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 49.2 S S 26.5
Pipeline S S S
Multiple modes 34.4 1.6 34.9 39.3 0.1 20.0
Parcel, USPS or courier 34.5 1.6 36.7 37.1 0.1 20.3
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 39.1 0.3 S S 37.3 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 S S 17.8
Single modes S S S S S S 33.6
Truck S S S S S S 43.9
For-hire truck S S S S S S S
Private truck 35.3 13.6 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.3
Pipeline S S S
Multiple modes S S S S S S 19.5
Parcel, USPS or courier S S 41.4 8.8 39.0 15.3 19.5
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

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.