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 6.0 9.6 15.8 14.8
Single modes 7.4 1.8 10.3 1.4 15.9 0.2 10.9
Truck 7.6 2.8 11.1 4.0 13.5 5.7 13.5
For-hire truck 5.0 1.2 16.4 4.0 17.0 4.8 7.2
Private truck 11.8 2.6 11.7 3.9 12.7 2.5 14.9
Rail 22.5 1.6 22.6 4.4 25.3 5.6 14.3
Water S S S S S S S
Shallow draft S S S S S S S
Great Lakes
Deep draft S S 23.8 12.9 31.6
Air (including truck and air) 38.0 0.3 S S S S 6.9
Pipeline S S S S S S S
Multiple modes 16.3 1.4 48.8 0.2 27.8 0.1 9.9
Parcel, USPS or courier 16.8 1.4 16.8 16.6 9.9
Truck and rail 24.3 24.2 24.3 26.1
Truck and water S S S S S S 28.6
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes 20.3 0.7 28.0 1.4 18.8 0.1 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 S S S S S S 30.8
Single modes S S S S S S 30.8
Truck S S S S S S 30.8
For-hire truck S S S S S S 31.6
Private truck S S S S S S 33.5
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 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 31.3
Single modes S S S S S S 30.7
Truck S S S S S S 32.9
For-hire truck S S S S S S 32.3
Private truck S S S S S S 29.6
Rail
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
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 44.8 S S 46.4 S
Single modes 45.3 2.1 S S 46.6 1.5 S
Truck 47.4 3.7 S S 47.5 6.0 S
For-hire truck 38.1 12.9 S S S S 32.5
Private truck S S S S S S 47.7
Rail S S S S S S 27.0
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 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 26.5

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 20.4 22.1 37.8 S
Single modes 20.5 0.5 22.1 0.3 37.8 S
Truck 19.5 0.8 21.3 0.7 33.7 2.4 S
For-hire truck 28.5 7.7 28.6 7.1 37.4 4.2 9.1
Private truck 26.8 7.8 36.1 7.4 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
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 S

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

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 33.7
Single modes S S S S S S 33.4
Truck S S S S S S 34.0
For-hire truck S S S S S S 30.8
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 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 9.7 12.0 21.0 S
Single modes 9.9 0.8 10.7 1.9 21.0 0.1 S
Truck 11.7 3.3 11.6 5.7 27.5 9.1 S
For-hire truck 37.4 9.1 36.1 7.0 32.5 10.4 17.1
Private truck 16.1 9.4 18.2 8.9 30.9 9.0 S
Rail 45.0 2.9 46.2 4.9 44.2 9.1 26.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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 S

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 33.9 34.7 39.8 8.1
Single modes 34.0 34.7 39.8 8.1
Truck 34.0 34.7 39.8 8.1
For-hire truck
Private truck 33.8 0.2 34.5 0.2 39.7 0.2 8.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 38.4 S
Single modes S S S S 38.6 2.1 S
Truck S S S S 38.6 2.1 S
For-hire truck 22.6 17.6 32.0 19.2 40.1 14.2 18.0
Private truck S S S S S S 36.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S 43.0 2.1 34.1
Parcel, USPS or courier S S S S 43.0 2.1 34.1
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 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 33.0 S S S S 22.7
Single modes 33.0 S S S S 22.7
Truck 37.1 8.0 47.3 13.2 S S 34.4
For-hire truck 36.6 15.2 40.5 18.2 S S 22.2
Private truck S S S S S S 34.9
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 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 31.1 15.5 17.8 15.7
Single modes 31.1 15.5 17.8 15.7
Truck 37.5 7.8 21.3 7.6 24.1 13.8 17.3
For-hire truck S S S S S S 43.8
Private truck 21.3 9.8 26.2 8.8 28.3 11.5 16.8
Rail 34.6 7.5 34.0 7.2 30.2 13.1 22.0
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)
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 18.8 18.9 40.0 S
Single modes 18.9 0.2 18.9 40.0 0.1 S
Truck 25.4 11.9 23.3 12.9 S S S
For-hire truck 36.9 10.4 36.9 11.9 S S S
Private truck 31.7 10.2 34.1 12.4 36.1 16.4 23.2
Rail S S 47.1 12.9 45.8 15.1 26.4
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 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 28.6
Single modes S S S S S S 28.6
Truck S S S S S S 28.6
For-hire truck S S S S S S 28.6
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 10.2 9.7 23.0 7.9
Single modes 22.0 12.7 20.7 12.3 24.1 5.6 8.3
Truck 26.2 2.3 25.9 2.5 25.7 9.0 9.3
For-hire truck 27.9 2.4 27.3 2.6 27.7 7.7 9.3
Private truck S S S S S S 31.6
Rail 23.2 12.6 22.6 12.4 25.9 13.8 22.2
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 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 27.9

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 18.9 20.4 19.0 22.5
Single modes 18.9 20.4 19.0 22.6
Truck 18.9 20.4 19.0 22.6
For-hire truck 34.0 8.4 36.9 8.6 27.1 7.2 S
Private truck 21.5 8.4 20.4 8.6 17.4 7.2 13.4
Rail
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
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 23.3 23.7 23.1 23.4
Single modes 23.3 23.7 23.1 0.2 24.6
Truck 23.0 7.1 24.1 7.1 23.5 2.6 35.7
For-hire truck 35.2 6.9 36.6 7.2 22.2 6.8 S
Private truck 21.7 5.9 23.3 6.1 31.1 5.8 37.9
Rail S S S S S S 31.6
Water S S S S S S 30.5
Shallow draft S S S S S S 30.5
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 31.1

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 30.5 19.3 24.6 S
Single modes 28.8 1.4 19.3 0.4 24.5 0.2 S
Truck 32.4 7.1 24.6 7.8 26.2 11.3 S
For-hire truck 38.0 9.8 31.5 9.7 25.9 10.5 S
Private truck S S 41.1 5.0 40.7 3.2 44.4
Rail 32.8 7.4 35.8 7.6 37.3 11.2 16.3
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 S S S S S S 30.3

SCTG 20, Basic chemicals

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 27.2 48.4 30.2 S
Single modes 28.1 1.9 48.8 1.0 30.7 0.8 S
Truck 30.6 6.9 S S S S S
For-hire truck 26.7 7.4 34.3 6.4 23.4 9.3 30.6
Private truck 46.7 4.6 S S S S 47.2
Rail 27.1 6.6 28.4 10.1 26.2 9.8 36.8
Water S S S S S S 31.5
Shallow draft S S S S S S 29.8
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air)
Pipeline S S S S S S S
Multiple modes S S S S S S 32.0
Parcel, USPS or courier S S S S S S 29.8
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 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 15.6 32.0 22.5 20.1
Single modes 12.8 13.3 38.2 11.2 27.3 13.0 20.9
Truck 12.8 13.3 38.2 11.2 27.3 13.0 20.9
For-hire truck 17.3 10.9 20.5 9.9 28.6 10.9 26.2
Private truck 27.8 7.4 49.9 12.5 35.7 3.6 25.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 40.8 13.3 42.4 11.2 40.5 13.0 17.7
Parcel, USPS or courier 40.8 13.3 42.6 11.1 40.8 12.8 17.7
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes

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 24.3
Single modes S S S S S S 24.3
Truck S S S S S S 24.6
For-hire truck S S S S S S 24.1
Private truck S S S S S S 31.5
Rail S S S S S S 29.0
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

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 46.1 46.8 S S 24.8
Single modes 48.2 3.4 47.4 1.4 S S 25.3
Truck 48.2 3.4 47.4 1.4 S S 25.3
For-hire truck S S 49.3 14.5 S S 24.1
Private truck 42.9 16.1 45.7 14.4 S S 42.6
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 S S S S S S 46.5
Parcel, USPS or courier S S S S S S 49.1
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 S S S S 31.6

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 13.5 17.0 15.7 34.2
Single modes 14.0 1.2 17.6 1.4 15.7 1.7 45.8
Truck 16.0 4.8 16.7 7.1 16.5 9.5 46.7
For-hire truck 18.5 9.4 21.9 10.0 20.0 8.7 9.9
Private truck S S S S 31.8 5.1 S
Rail S S S S S S 25.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.5
Pipeline S S S
Multiple modes 32.7 1.3 20.9 0.6 31.3 1.2 24.6
Parcel, USPS or courier 47.6 1.4 S S 49.9 0.2 18.3
Truck and rail 37.3 0.9 37.1 0.6 40.2 1.4 23.5
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 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 32.1
Single modes S S S S S S 32.1
Truck S S S S S S 37.0
For-hire truck S S S S S S 31.6
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
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 18.1 43.4 33.9 21.4
Single modes 18.8 2.8 43.5 0.6 34.0 0.5 21.2
Truck 17.6 3.7 46.2 3.6 34.4 6.8 20.3
For-hire truck 29.6 8.0 S S 38.9 8.3 25.4
Private truck 21.1 8.2 32.7 10.1 22.7 7.9 20.4
Rail S S S S S S 11.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.8
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 48.2

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 8.1 9.5 7.2 39.9
Single modes 7.5 0.9 9.5 0.1 7.2 39.8
Truck 10.1 4.6 8.1 4.7 7.6 4.5 43.5
For-hire truck 10.3 5.1 10.2 5.1 10.2 4.5 5.8
Private truck 41.5 2.9 41.3 2.2 S S S
Rail 15.7 4.9 20.6 4.8 16.9 4.5 5.3
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 36.5
Parcel, USPS or courier S S S S S S 36.5
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 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 43.1 S S S S 38.5
Single modes 43.8 4.2 S S S S 40.2
Truck 43.8 4.2 S S S S 40.2
For-hire truck S S S S S S 29.3
Private truck S S S S S S 45.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 35.3
Parcel, USPS or courier S S S S S S 35.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.9

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 S S S S 18.3
Single modes S S S S S S 28.0
Truck S S S S S S 30.9
For-hire truck S S S S S S 20.4
Private truck S S S S S S 41.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.7
Pipeline S S S
Multiple modes S S S S S S 18.5
Parcel, USPS or courier S S S S S S 18.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 32.8 18.9 31.5 17.2 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 18.4 18.8 20.1 4.5
Single modes 19.7 2.3 19.3 1.0 20.5 0.8 9.1
Truck 19.7 2.3 19.3 1.0 20.5 0.8 9.8
For-hire truck 28.1 6.2 28.1 5.8 26.1 5.2 7.8
Private truck 18.4 5.8 26.1 5.9 27.1 5.3 22.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 44.4 S S S S 25.8
Pipeline S S S
Multiple modes 34.7 1.4 41.5 0.4 41.5 0.7 6.6
Parcel, USPS or courier 33.6 1.3 20.0 0.2 16.5 0.2 6.9
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 30.8
Rail and water
Other Multiple modes
Other and unknown modes S S S S 44.1 0.1 38.4

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 S S 43.5 S S 38.9
Single modes S S 46.2 4.2 S S 36.6
Truck S S 37.4 11.4 S S 34.7
For-hire truck S S 49.4 11.6 S S 13.5
Private truck 43.8 6.9 S S S S 24.9
Rail S S S S S S 26.4
Water S S S S S S 31.6
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft 0.1 0.2 33.3
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 46.6
Parcel, USPS or courier S S S S S S 28.7
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 32, Base metal in primary or semifinished forms and in finished basic shapes

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 21.0 32.0 28.1 12.9
Single modes 21.4 1.2 32.1 0.2 28.2 0.6 11.5
Truck 25.4 3.8 38.3 4.6 39.1 8.3 11.7
For-hire truck 25.4 4.2 39.6 3.1 38.8 5.2 8.2
Private truck 32.7 2.8 34.4 3.5 45.7 4.5 18.7
Rail 20.0 4.1 30.3 4.5 37.8 8.3 19.9
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) S S S S S S 28.8
Pipeline S S S
Multiple modes S S 45.3 0.1 S S 33.3
Parcel, USPS or courier S S 38.5 40.4 33.6
Truck and rail S S S S S S 29.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 37.6 38.7 40.9 27.5

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 24.9 22.6 29.1 17.6
Single modes 21.5 2.6 22.7 0.6 29.5 1.1 20.6
Truck 21.6 2.6 22.9 0.7 30.0 1.9 20.2
For-hire truck 19.4 6.8 24.3 5.2 31.2 4.2 9.3
Private truck 33.0 6.5 34.4 5.3 45.6 4.6 26.7
Rail S S S S S S 29.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 47.0 0.1 48.7 S S 21.5
Pipeline S S S
Multiple modes S S 31.2 0.5 35.3 1.0 15.1
Parcel, USPS or courier S S 31.7 0.5 35.3 1.0 15.0
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 27.1 0.7 27.7 0.5 37.3 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 10.8 12.2 13.6 45.1
Single modes 13.9 6.4 16.7 8.3 16.7 7.3 S
Truck 17.7 9.3 22.3 10.4 20.6 12.8 S
For-hire truck 20.7 5.8 25.0 7.9 21.3 11.5 11.8
Private truck 26.2 5.7 26.1 5.0 35.5 2.2 27.1
Rail 41.4 4.5 41.1 7.1 41.7 11.0 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.1
Pipeline S S S
Multiple modes 40.0 2.8 41.5 1.2 41.1 1.6 S
Parcel, USPS or courier 41.5 2.9 S S 34.8 0.6 S
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 38.5 5.7 S S 45.7 6.6 45.9

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 13.9 15.8 19.3 20.2
Single modes 17.4 7.4 18.5 5.5 22.8 6.1 38.9
Truck 15.4 8.2 18.2 5.4 19.4 6.2 S
For-hire truck 19.2 9.2 17.8 8.7 19.7 6.4 20.6
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 12.5
Pipeline S S S
Multiple modes 42.5 7.6 36.2 3.2 37.5 2.9 18.6
Parcel, USPS or courier 42.8 7.6 40.8 3.3 40.6 2.9 18.9
Truck and rail S S S S S S 29.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 44.9 1.6 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 19.3 24.9 25.7 27.9
Single modes 22.0 9.7 22.7 10.5 25.3 9.0 S
Truck 24.3 9.8 29.4 11.9 29.9 10.6 S
For-hire truck 31.1 6.7 42.4 9.0 45.7 10.0 14.3
Private truck 35.3 9.3 38.5 11.4 48.6 10.7 S
Rail 47.8 10.1 47.8 8.7 49.4 10.9 26.0
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 11.9
Parcel, USPS or courier S S S S S S 11.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 46.5 48.2 19.2
Single modes S S 46.6 3.3 46.8 7.6 18.0
Truck S S 46.9 12.0 47.1 13.1 22.2
For-hire truck S S 47.0 15.2 47.1 13.8 22.5
Private truck S S S S S S 31.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.2
Pipeline S S S
Multiple modes S S S S S S 28.5
Parcel, USPS or courier S S S S S S 28.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 38, Precision instruments and apparatus

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 29.2 44.5 S S 41.5
Single modes 33.9 8.0 46.1 10.5 S S S
Truck 33.9 11.7 46.1 14.6 S S S
For-hire truck 38.4 10.7 S S S S 21.2
Private truck S S S S 48.8 5.4 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.9
Pipeline S S S
Multiple modes S S 42.4 9.8 47.6 9.7 19.0
Parcel, USPS or courier S S 42.4 9.8 47.6 9.7 19.0
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 26.8 30.5 30.2 11.4
Single modes 26.2 2.5 30.4 0.4 29.7 1.0 12.1
Truck 26.0 4.0 30.6 0.7 29.7 1.1 9.2
For-hire truck 23.3 14.4 31.2 15.2 32.1 15.2 13.1
Private truck 35.7 13.3 36.7 15.2 39.2 14.7 21.5
Rail S S S S S S 41.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.2
Pipeline S S S
Multiple modes S S S S S S 17.2
Parcel, USPS or courier S S S S S S 17.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.8

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 17.4 S S 19.1 14.5
Single modes 19.9 5.2 44.6 4.8 18.9 2.0 15.0
Truck 20.5 5.5 44.6 4.8 19.0 2.0 16.0
For-hire truck 21.6 4.5 48.1 4.4 18.9 4.4 12.9
Private truck 25.2 3.3 34.7 3.8 49.5 3.5 36.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 45.9 0.2 39.5 0.1 S
Pipeline S S S
Multiple modes 29.9 5.6 22.5 2.6 36.0 2.2 14.5
Parcel, USPS or courier 29.9 5.6 22.5 2.6 36.0 2.2 14.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.5

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 48.5 S S S S 49.5
Single modes 48.6 0.3 S S S S 48.0
Truck 48.6 0.3 S S S S 48.0
For-hire truck S S S S S S 44.2
Private truck S S S S S S 29.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 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 S S S S S S 31.6

SCTG 43, Mixed freight

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 19.6 18.7 19.1 26.1
Single modes 20.1 1.4 18.8 0.5 19.4 0.5 29.5
Truck 20.1 1.5 18.8 0.5 19.4 0.7 26.5
For-hire truck S S 33.7 0.9 35.4 3.3 15.5
Private truck 22.5 4.8 19.2 1.0 21.0 3.9 23.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.5 S S S S 26.4
Pipeline S S S
Multiple modes 33.6 0.9 31.7 0.1 22.1 0.4 12.1
Parcel, USPS or courier 33.6 0.9 31.7 0.1 22.1 0.4 12.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 47.4 0.3 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 47.3 41.6 S S 23.8
Single modes 49.2 8.1 41.6 0.4 S S S
Truck 49.0 7.7 26.9 12.9 S S S
For-hire truck S S 38.6 12.7 35.7 15.8 31.4
Private truck S S 35.8 15.3 S S S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S 41.6 0.4 37.8 0.8 S
Parcel, USPS or courier S S 41.6 0.4 37.8 0.8 S
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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.