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 8.7 15.0 18.0 5.7
Single modes 10.2 1.9 14.6 1.1 15.9 2.5 19.7
Truck 8.7 2.2 19.0 4.6 26.3 4.2 20.8
For-hire truck 14.2 3.0 17.4 3.2 34.3 3.8 7.4
Private truck 7.9 2.7 26.1 5.1 33.3 3.4 16.1
Rail 19.5 0.6 15.3 4.3 16.7 3.6 8.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.9 2.1 38.9 S S 2.3
Pipeline S S S S S S S
Multiple modes 11.3 1.9 33.6 0.9 38.0 2.6 3.5
Parcel, USPS or courier 11.6 1.9 19.4 16.1 0.2 3.3
Truck and rail 37.1 S S 44.5 0.5 21.2
Truck and water S S S S S S 25.8
Rail and water 44.8 44.8 0.9 45.0 2.7 25.8
Other Multiple modes S S S S S S 35.6
Other and unknown modes 16.3 0.7 40.2 0.4 38.5 0.2 34.4

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 37.3 40.2 36.6 34.8
Single modes 37.4 0.2 40.3 0.3 36.6 0.7 34.0
Truck 43.5 7.5 45.4 6.6 S S 36.8
For-hire truck S S S S 37.7 11.2 S
Private truck S S S S S S 31.6
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 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

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 46.3 S S 41.1
Single modes S S 45.0 1.3 S S 45.0
Truck S S 45.0 1.3 S S 45.0
For-hire truck S S S S S S 30.0
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
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 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 30.0 35.5 25.3 S
Single modes 27.0 5.3 30.6 6.0 27.7 5.5 31.7
Truck 27.7 3.9 36.4 7.4 23.7 6.5 32.4
For-hire truck 26.3 5.4 31.5 8.2 21.7 7.0 13.8
Private truck 42.9 4.7 S S S S 24.6
Rail S S S S S S 26.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 25.7
Parcel, USPS or courier S S S S S S 28.4
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.5

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 33.5 26.8 31.6 27.3
Single modes 33.5 26.8 31.6 26.5
Truck 33.5 26.8 31.6 26.5
For-hire truck 37.3 13.1 30.1 12.8 32.2 14.5 18.5
Private truck 25.2 13.3 31.3 13.0 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 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 38.2

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 S S S S S S S
Single modes S S S S S S 42.1
Truck S S S S S S 43.1
For-hire truck S S S S S S 28.3
Private truck S S S S S S S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
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

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 17.2 29.8 29.7 S
Single modes 17.3 0.9 30.0 0.6 29.0 1.2 S
Truck 17.6 7.2 31.1 7.1 31.5 8.2 S
For-hire truck 28.3 8.5 27.0 6.3 37.1 11.4 15.3
Private truck 27.7 10.8 43.0 9.7 43.9 10.8 24.1
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
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 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 38.7 49.8 S S 45.7
Single modes 38.2 0.3 49.3 0.4 S S 43.4
Truck 30.8 5.2 42.1 6.3 S S 34.8
For-hire truck S S S S S S 33.7
Private truck 18.4 14.8 28.3 18.5 S S 22.0
Rail S S S S S S 26.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 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

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 28.9
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 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 38.4 S S S S S
Single modes 43.8 11.2 S S S S S
Truck 43.8 11.2 S S S S S
For-hire truck S S S S S S 32.2
Private truck S S S S S S 45.2
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 36.4

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 32.5 28.6 46.2 S
Single modes 33.0 1.6 29.0 1.5 47.3 3.0 S
Truck 33.0 1.6 29.0 1.5 47.3 3.0 S
For-hire truck 25.5 11.4 31.4 10.9 S S S
Private truck S S S S 40.6 8.2 21.6
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 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 29.9

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 29.2
Single modes S S S S S S 29.5
Truck S S S S S S 30.3
For-hire truck S S S S S S 33.4
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 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
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 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 17.4 15.3 18.4 14.3
Single modes 18.9 2.7 16.2 3.2 16.1 4.6 14.1
Truck S S S S S S 22.9
For-hire truck 30.4 3.4 32.6 4.3 25.5 0.2 31.9
Private truck S S S S S S 29.4
Rail 11.6 6.2 18.0 6.5 17.4 5.3 12.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 36.2 2.7 38.9 3.2 41.7 4.6 S
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
Rail and water 44.8 2.6 44.8 3.2 45.0 4.6 25.8
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 31.2

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 19.5 16.9 32.3 S
Single modes 19.5 0.3 16.9 0.2 32.4 0.2 S
Truck 37.4 11.9 34.8 12.2 37.8 14.7 30.3
For-hire truck 33.7 8.8 33.3 9.3 34.9 8.1 S
Private truck 48.1 11.1 47.0 9.3 S S 27.7
Rail 29.8 7.2 34.7 7.0 42.1 12.0 21.7
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 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 34.7 32.8 37.4 S
Single modes 34.7 32.8 37.4 S
Truck 40.2 11.8 39.4 12.2 40.6 18.5 S
For-hire truck 24.7 13.3 24.7 13.4 31.8 13.9 27.1
Private truck 45.5 15.8 45.8 14.7 S S 31.7
Rail 42.1 11.8 45.4 12.2 48.2 18.4 23.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S S S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.0

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 29.0 38.6 40.0 S
Single modes 28.9 0.5 38.6 0.1 40.3 0.6 S
Truck 39.9 14.7 S S S S 26.0
For-hire truck S S S S S S 32.6
Private truck 45.9 11.8 S S 47.2 9.5 47.2
Rail 45.2 14.9 47.8 15.5 S S 23.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S S
Parcel, USPS or courier S S S S S S S
Truck and rail S S S S S S 29.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 46.2 0.2 S S S S S

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 45.0 S
Single modes S S S S 45.2 1.6 S
Truck S S S S 48.0 3.7 S
For-hire truck S S S S S S 33.6
Private truck S S S S 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 30.0
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 30.6

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 19.5 S S S S 19.1
Single modes 39.2 10.3 S S S S 26.9
Truck 42.7 10.2 S S S S S
For-hire truck 30.0 7.3 S S S S 37.7
Private truck S S 38.8 11.9 S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.9
Pipeline S S S
Multiple modes 18.0 10.3 25.6 7.5 45.4 11.1 18.6
Parcel, USPS or courier 18.0 10.3 25.6 7.5 45.4 11.1 18.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.0

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 36.4
Single modes S S S S S S 34.0
Truck S S S S S S 34.0
For-hire truck S S S S S S 30.4
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 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 S S 46.4 41.3 37.4
Single modes S S 48.1 3.5 44.7 6.9 33.6
Truck S S 48.2 3.7 45.1 8.7 35.6
For-hire truck 35.8 10.6 S S S S 41.5
Private truck S S 46.5 10.0 S S 15.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.4
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 47.9 1.3 S S 44.5

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 45.1 38.0 S S 28.3
Single modes 47.9 6.1 41.4 5.9 S S S
Truck S S 42.0 6.3 S S S
For-hire truck S S S S S S 45.2
Private truck 37.8 10.8 33.4 13.0 40.6 9.3 38.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 19.7
Pipeline S S S
Multiple modes S S S S S S 16.4
Parcel, USPS or courier S S S S S S 16.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 26.1

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 47.1 S S 38.8
Single modes S S 47.2 0.4 S S 38.8
Truck S S 47.2 0.4 S S 38.8
For-hire truck S S 47.0 1.4 S S 45.0
Private truck S S S S S S 34.5
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 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 29.9

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 15.0 S S S S 22.7
Single modes 16.3 2.2 S S S S 30.9
Truck 16.7 2.3 S S S S 30.8
For-hire truck 35.4 8.7 S S S S 21.7
Private truck 23.7 8.1 21.3 11.1 31.1 15.8 40.1
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 39.3 1.7 38.6 1.6 S S 28.6

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 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 25.6
Private truck S S S S S S 21.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.9
Parcel, USPS or courier S S S S S S 31.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 33.2

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 32.9 25.0 25.6 S
Single modes 26.4 12.5 26.8 10.8 27.4 10.5 41.9
Truck 26.4 12.5 26.8 10.8 27.4 10.5 41.9
For-hire truck 31.4 13.8 25.5 13.4 33.4 14.1 26.4
Private truck 32.4 11.2 45.9 10.6 S S 29.1
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 37.7
Parcel, USPS or courier S S S S S S 37.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.2

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 9.6 29.0 42.5 13.1
Single modes 16.8 9.6 36.6 12.9 48.8 19.0 S
Truck 16.9 9.6 36.6 13.0 49.0 19.7 S
For-hire truck 42.8 8.9 47.8 16.9 S S 30.9
Private truck 23.7 8.8 26.6 10.8 37.4 4.7 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 29.8 5.4 27.6 5.3 31.8 17.6 11.0
Parcel, USPS or courier 30.0 5.4 26.0 5.5 31.9 17.6 10.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 34.8 7.9 30.0 9.4 32.0 2.3 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 38.7 30.9 24.7 6.1
Single modes S S 43.8 14.2 S S S
Truck S S 43.8 14.4 S S S
For-hire truck S S S S S S 22.7
Private truck 45.5 2.5 S S S S 40.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.0
Pipeline S S S
Multiple modes 16.2 12.9 31.4 12.4 26.9 10.2 5.5
Parcel, USPS or courier 16.2 12.9 31.4 12.4 26.9 10.2 5.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 44.6 0.6 28.0

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 27.1 41.9 43.4 49.2
Single modes 26.8 3.3 41.6 3.2 43.6 3.5 S
Truck 27.5 4.9 42.5 8.6 45.1 10.3 S
For-hire truck 31.1 9.4 45.5 4.7 S S 21.7
Private truck 33.6 9.6 43.5 10.5 46.5 8.4 41.3
Rail S S S S S S 32.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.4
Pipeline S S S
Multiple modes S S S S S S 18.6
Parcel, USPS or courier S S S S S S 18.6
Truck and rail S S S S S S 29.8
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 24.6 35.5 31.8 25.3
Single modes 26.8 4.3 36.0 1.1 32.1 4.6 S
Truck 27.1 4.5 36.7 2.5 29.9 6.1 S
For-hire truck 40.5 9.5 35.2 11.3 35.7 13.5 22.8
Private truck 28.2 8.8 45.1 11.3 S S 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 28.0
Pipeline S S S
Multiple modes S S 41.1 0.4 49.6 4.3 22.1
Parcel, USPS or courier S S S S S S 24.0
Truck and rail S S S S S S 30.0
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 42.2 4.1 47.5 1.0 S S 25.2

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 17.6 28.3 37.4 22.7
Single modes 18.8 8.4 28.5 6.9 39.9 9.0 36.8
Truck 20.4 9.5 28.3 12.1 37.2 14.6 37.7
For-hire truck 32.0 9.5 31.7 12.8 28.3 15.6 24.9
Private truck 38.9 8.7 48.5 9.6 S S 33.4
Rail S S S S S S 28.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S 43.3 0.1 25.1
Pipeline S S S
Multiple modes 41.0 8.2 39.9 6.3 42.9 7.6 14.1
Parcel, USPS or courier 41.0 8.2 39.9 6.3 42.9 7.6 14.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 25.7

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 23.2 28.8 34.8 29.1
Single modes 22.4 6.3 30.5 5.1 38.6 8.3 S
Truck 22.5 6.1 30.6 5.2 39.1 8.9 S
For-hire truck 16.6 9.7 25.5 12.0 34.2 12.4 27.1
Private truck 39.6 5.1 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 37.1 0.7 37.2 0.2 39.8 1.0 17.8
Pipeline S S S
Multiple modes 36.2 5.1 32.8 2.8 39.7 4.3 21.6
Parcel, USPS or courier 36.2 5.1 32.8 2.8 39.7 4.3 21.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 42.2 3.8 46.6 3.2 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 20.3 37.1 40.8 13.6
Single modes 20.4 7.4 41.3 8.4 46.4 9.0 20.5
Truck 22.8 6.9 42.1 8.9 48.4 9.9 27.6
For-hire truck 28.2 6.4 48.2 9.5 S S 18.3
Private truck 48.7 3.7 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 25.6 3.4 30.8 1.1 30.3 2.5 2.6
Pipeline S S S
Multiple modes 28.8 7.2 23.6 8.5 18.9 9.1 20.4
Parcel, USPS or courier 28.8 7.2 24.3 8.6 21.6 9.2 13.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 41.4 1.0 45.7 1.8 S S 29.5

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 25.6 28.5 31.1 29.2
Single modes 30.6 9.9 30.4 9.8 39.0 10.4 33.3
Truck 31.1 9.8 30.5 9.7 39.4 10.3 S
For-hire truck 35.0 12.7 37.1 13.6 41.4 13.6 32.4
Private truck 34.0 11.1 S S S S 30.5
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 29.6 1.7 34.8 0.5 35.8 1.4 19.4
Pipeline S S S
Multiple modes 42.8 4.5 45.1 1.7 S S 19.7
Parcel, USPS or courier 42.8 4.5 45.1 1.7 S S 19.7
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 S S S S S S 17.2
Single modes S S S S S S 28.5
Truck 41.8 15.4 S S S S 32.1
For-hire truck 47.0 12.7 S S S S 31.5
Private truck S S S S S S 29.9
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 32.4 6.2 30.6 12.5 20.2
Pipeline S S S
Multiple modes 45.0 14.8 35.5 14.7 36.8 14.6 15.6
Parcel, USPS or courier 45.0 14.8 35.5 14.7 36.8 14.6 15.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 14.4 S S 40.0 14.6
Single modes 21.7 8.9 S S 46.2 10.4 39.8
Truck 28.1 10.2 S S 47.1 13.4 S
For-hire truck 29.1 10.0 S S S S 37.9
Private truck 38.7 1.7 S S S S 27.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 40.6 3.4 S S 49.1 4.1 4.8
Pipeline S S S
Multiple modes 23.8 8.0 21.8 11.9 30.9 9.4 13.1
Parcel, USPS or courier 23.8 8.0 21.8 11.9 30.9 9.4 13.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 26.5 38.8 31.5 32.6
Single modes 31.6 12.0 39.3 11.3 32.8 11.7 S
Truck 31.6 12.0 39.3 11.3 32.9 11.6 S
For-hire truck 37.2 9.7 34.6 12.4 38.4 13.5 30.7
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 29.8
Pipeline S S S
Multiple modes S S S S S S 20.7
Parcel, USPS or courier S S S S S S 20.5
Truck and rail
Truck and water S S S S S S 31.6
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 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 29.8 32.3 33.4 11.0
Single modes 40.2 5.7 34.4 5.0 35.7 6.3 S
Truck 21.0 5.8 34.5 5.1 35.8 6.4 S
For-hire truck 26.7 7.1 34.3 8.9 36.9 7.7 6.9
Private truck S S 40.7 5.7 40.4 5.9 S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 42.1 33.6 0.2 18.3
Pipeline S S S
Multiple modes 23.7 5.3 28.4 5.1 32.0 6.3 8.5
Parcel, USPS or courier 23.8 5.4 29.0 5.1 33.8 6.3 8.5
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 49.2 4.8 37.8 0.3 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 25.1
Single modes S S S S S S 32.6
Truck S S S S S S 30.0
For-hire truck S S S S S S 29.8
Private truck S S S S S S 31.6
Rail S S S S S S 33.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.8
Parcel, USPS or courier
Truck and rail S S S S S S 29.8
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 20.8 36.6 21.4 19.1
Single modes 21.1 1.9 37.1 1.0 22.0 2.0 23.0
Truck 21.0 1.9 37.1 1.0 22.0 2.0 24.3
For-hire truck 45.0 9.0 S S 46.2 9.0 44.4
Private truck 17.6 10.0 22.1 9.1 15.1 10.2 37.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.5
Pipeline S S S
Multiple modes S S S S S S 5.7
Parcel, USPS or courier S S S S S S 5.7
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 37.3 49.6 S S 39.2
Single modes 30.4 11.3 S S S S S
Truck 35.5 12.2 S S S S S
For-hire truck 45.9 12.3 49.9 16.5 S S S
Private truck 42.6 10.6 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 28.0
Pipeline S S S
Multiple modes S S S S S S 38.1
Parcel, USPS or courier 40.7 9.8 S S S S 31.9
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 31.0

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.