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 5.1 11.8 10.6 7.2
Single modes 5.2 0.7 11.3 0.8 10.9 0.4 8.3
Truck 5.4 1.0 9.8 2.7 8.8 2.5 8.4
For-hire truck 8.1 3.1 12.5 2.0 11.1 2.2 6.5
Private truck 10.9 3.2 12.6 3.8 7.3 2.0 16.7
Rail 22.2 0.3 S S 30.2 2.5 21.2
Water S S S S S S 27.4
Shallow draft S S S S S S 27.4
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) 22.2 0.2 27.8 36.3 8.3
Pipeline S S S S S S S
Multiple modes 11.3 0.5 19.5 14.4 0.3 6.6
Parcel, USPS or courier 12.0 0.5 19.6 19.8 0.3 6.6
Truck and rail 48.7 48.5 33.5 0.1 24.2
Truck and water 42.7 41.5 S S 21.6
Rail and water
Other Multiple modes
Other and unknown modes 21.1 0.5 38.1 0.8 16.1 0.2 27.4

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 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 43.2 S S 38.6 S
Single modes 46.6 10.6 S S 39.1 10.2 S
Truck 46.6 10.7 S S 40.0 10.7 S
For-hire truck S S 35.1 17.4 30.9 12.6 19.6
Private truck S S S S S S 26.1
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 30.1
Parcel, USPS or courier S S S S S S 30.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 42.7 6.9 25.4

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 48.0 44.6 S S 48.5
Single modes 47.6 0.4 44.2 0.4 S S 49.0
Truck 47.8 1.0 44.4 0.6 S S 49.1
For-hire truck S S S S S S 23.3
Private truck 48.9 10.0 45.1 9.9 46.8 9.0 28.6
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.5

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 18.5 19.5 30.9 35.0
Single modes 19.0 1.7 20.0 1.4 31.2 0.7 34.9
Truck 19.0 1.7 20.0 1.4 31.2 0.7 34.9
For-hire truck 23.7 7.8 24.4 7.4 31.6 7.4 12.3
Private truck 30.9 8.2 24.5 7.6 34.9 7.6 36.4
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 29.8
Parcel, USPS or courier S S S S S S 29.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 49.6 S S 43.9 S
Single modes 49.6 0.5 S S 43.9 0.7 S
Truck 49.6 0.5 S S 43.9 0.7 S
For-hire truck 35.3 12.5 35.8 14.7 38.0 14.9 24.5
Private truck S S S S S S 30.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.9
Parcel, USPS or courier S S S S S S 29.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 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 16.4 22.5 16.5 S
Single modes 16.3 0.2 22.4 0.3 16.5 0.1 S
Truck 16.5 0.7 23.5 1.8 18.0 4.6 S
For-hire truck 25.2 7.3 15.0 5.0 19.4 4.2 10.2
Private truck 27.2 9.4 40.0 8.9 29.2 4.9 46.2
Rail 22.0 0.7 20.7 1.8 31.1 4.6 21.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 25.9
Parcel, USPS or courier S S S S S S 25.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 25.6 20.7 35.7 46.6
Single modes 30.4 9.3 25.0 9.4 37.5 9.8 38.7
Truck 30.9 9.1 25.5 9.2 36.7 9.4 38.5
For-hire truck 41.2 13.6 41.1 14.4 S S 25.9
Private truck 42.8 14.6 47.7 15.5 S S 37.4
Rail S S S S S S 28.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.5
Parcel, USPS or courier S S S S S S 31.5
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 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 30.6 S S 33.0 17.9
Single modes 30.6 0.3 S S 33.5 7.5 S
Truck 30.6 0.3 S S 33.5 7.5 S
For-hire truck 45.1 13.9 S S 33.9 9.2 S
Private truck 43.4 13.7 43.3 12.8 47.7 1.7 29.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 42.4 0.3 43.0 0.5 42.5 7.5 15.8
Parcel, USPS or courier 42.4 0.3 43.0 0.5 42.5 7.5 15.8
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 31.5
Single modes S S S S S S 31.5
Truck S S S S S S 31.5
For-hire truck
Private truck S S S S S S 31.5
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 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 24.0 43.9 37.7 33.3
Single modes 23.7 2.4 43.9 0.6 37.9 0.3 32.6
Truck 28.6 10.0 46.0 9.3 43.1 12.4 33.0
For-hire truck 35.3 16.2 S S 46.9 17.1 S
Private truck 38.0 11.4 47.1 12.7 40.8 10.4 22.6
Rail 37.2 10.2 37.7 9.5 38.6 12.7 23.7
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 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 S

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 9.6 10.5 13.8 9.6
Single modes 9.0 1.6 9.2 1.9 14.1 1.0 9.0
Truck 9.2 1.9 9.3 2.0 16.2 6.9 10.2
For-hire truck 18.9 4.8 17.6 4.4 36.3 6.4 18.2
Private truck 12.8 6.2 12.9 6.1 21.3 7.6 9.1
Rail 27.8 1.1 26.3 0.9 43.8 7.0 32.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 41.4 24.6
Single modes S S S S 41.4 14.9 28.2
Truck S S S S 38.8 11.9 27.7
For-hire truck 43.5 11.7 43.0 10.8 44.2 13.2 21.7
Private truck S S S S S S 25.7
Rail S S S S S S 25.8
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 29.9

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 44.7 40.5 41.1 40.5
Single modes 44.7 40.5 41.1 40.5
Truck 44.7 40.5 41.1 40.5
For-hire truck 44.7 41.8 3.0 40.9 0.2 43.6
Private truck S S S S S S 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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
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 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 14.9 15.6 26.6 20.5
Single modes 14.9 15.6 26.6 20.5
Truck 14.6 1.1 15.5 0.7 26.6 0.1 19.3
For-hire truck 20.1 8.6 23.5 7.9 39.7 10.6 19.8
Private truck 25.6 8.4 24.5 7.7 30.1 10.6 24.9
Rail
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

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 43.9 44.8 29.7 47.7
Single modes 44.1 0.6 44.9 0.6 29.8 0.1 45.8
Truck 44.4 0.8 45.1 0.7 29.8 0.1 43.5
For-hire truck 17.4 10.6 17.4 10.3 32.6 9.8 18.8
Private truck S S S S 47.2 9.6 S
Rail
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 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 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 S S 49.8 S S S
Single modes S S 49.6 2.1 S S S
Truck S S 49.9 3.4 S S S
For-hire truck S S S S S S 38.5
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 S 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 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.0

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 26.5 38.1 21.3 S
Single modes 27.0 2.4 38.2 0.3 21.3 0.1 S
Truck 32.0 9.8 36.5 9.7 26.7 9.4 S
For-hire truck 41.3 12.1 S S 32.1 9.1 40.1
Private truck 38.0 10.1 45.0 10.9 38.9 7.2 S
Rail 40.9 7.4 39.5 8.0 38.8 9.4 24.3
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 22.8
Pipeline S S S S S S S
Multiple modes S S S S S S S
Parcel, USPS or courier S S S S S S S
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 33.2

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 20.7 35.1 38.6 45.1
Single modes 19.6 1.6 36.5 6.1 39.4 7.5 S
Truck 20.7 3.5 36.5 6.0 39.5 7.5 S
For-hire truck 20.8 7.3 39.7 9.8 40.2 8.6 S
Private truck 38.6 7.2 25.5 7.7 33.0 4.4 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 47.3 3.2 31.8 0.2 34.7 0.4 18.4
Pipeline S S S
Multiple modes S S S S S S 47.9
Parcel, USPS or courier S S S S S S 47.9
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 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 24.4
Single modes S S S S S S 24.4
Truck 48.3 4.0 S S 47.3 1.4 24.5
For-hire truck 45.8 2.3 S S 47.2 0.9 24.9
Private truck S S S S 48.4 0.5 40.9
Rail S S S S S S 23.7
Water S S S S S S 27.9
Shallow draft S S S S S S 27.9
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 21.9 38.7 28.6 26.8
Single modes 25.0 6.5 39.4 2.9 29.7 2.4 24.8
Truck 25.5 7.5 37.4 9.1 33.6 9.9 25.6
For-hire truck 28.9 9.9 39.7 10.9 35.9 10.7 20.0
Private truck 44.4 3.9 S S S S 16.4
Rail 41.1 0.6 S S S S 30.7
Water S S S S S S 31.6
Shallow draft
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) S S S S S S 33.5
Pipeline S S S S S S S
Multiple modes 44.2 6.3 38.2 2.8 47.7 2.4 S
Parcel, USPS or courier S S S S 43.0 1.9 S
Truck and rail S S S S S S 30.5
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 48.9 0.2 S S S S S

SCTG 24, Plastics and rubber

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S 43.8 S S 16.1
Single modes S S 44.6 1.1 S S 21.6
Truck S S 45.1 2.1 S S 22.1
For-hire truck S S S S S S 11.6
Private truck 15.2 7.4 21.3 8.0 29.4 5.5 S
Rail S S S S S S 21.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.8 0.1 S S S S 13.4
Pipeline S S S
Multiple modes 44.9 1.7 S S 49.4 1.2 8.7
Parcel, USPS or courier 48.8 1.6 S S S S 8.8
Truck and rail S S S S S S 27.9
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 47.0

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 S
Single modes S S S S S S S
Truck S S S S S S S
For-hire truck S S S S S S S
Private truck S S S S S S 29.8
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 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 10.0 44.0 35.6 18.1
Single modes 10.1 0.7 44.3 0.8 36.0 1.3 23.1
Truck 12.1 4.8 32.0 13.9 15.4 12.0 25.5
For-hire truck 17.1 6.8 16.2 11.2 17.3 10.7 12.4
Private truck 20.7 6.1 S S 24.2 4.0 33.6
Rail S S S S S S S
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.8
Pipeline S S S
Multiple modes S S S S 47.3 0.2 34.4
Parcel, USPS or courier S S S S S S 34.4
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 44.6 0.4 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 23.0 24.6 24.7 9.9
Single modes 23.6 1.2 24.8 0.6 24.8 0.2 11.6
Truck 25.4 3.4 26.5 4.3 28.4 4.9 12.6
For-hire truck 28.9 5.4 27.4 4.3 29.1 4.9 9.3
Private truck 25.1 3.8 41.0 2.4 26.5 0.6 18.5
Rail 36.1 3.1 40.1 3.8 37.7 4.8 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) S S S S S S 29.8
Pipeline S S S
Multiple modes S S 42.9 35.3 24.0
Parcel, USPS or courier S S 42.9 35.3 24.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 36.9 0.6 S S S S 29.8

SCTG 28, Paper or paperboard articles

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 24.3 24.7 21.8 31.4
Single modes 23.4 0.9 24.2 0.6 21.3 0.8 31.1
Truck 23.4 0.9 24.2 0.6 21.3 0.8 31.3
For-hire truck 20.5 7.8 19.6 9.3 21.0 5.7 9.2
Private truck 33.8 7.6 38.5 9.0 46.6 5.3 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.6
Pipeline S S S S S S S
Multiple modes 36.4 0.3 21.3 29.3 0.3 22.9
Parcel, USPS or courier 37.9 0.3 24.1 35.0 22.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 46.7

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 31.4 19.3 25.9 16.8
Single modes 19.4 11.4 23.8 8.1 29.3 9.9 25.0
Truck 19.9 11.5 24.0 8.2 29.6 9.9 38.7
For-hire truck 22.5 9.1 25.4 7.9 29.6 9.8 14.0
Private truck 26.6 5.4 29.9 2.6 42.8 0.4 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 28.9
Pipeline S S S
Multiple modes S S S S S S 16.0
Parcel, USPS or courier S S S S S S 16.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 46.6

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 20.2 12.8 11.1 7.6
Single modes 20.2 0.8 13.2 0.7 10.9 1.1 9.7
Truck 20.4 0.9 13.2 0.7 10.9 1.4 9.8
For-hire truck 6.6 6.0 11.2 5.2 9.7 4.0 6.9
Private truck S S 27.2 4.8 29.0 3.7 13.6
Rail S S S S S S 32.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 41.2 37.9 0.2 25.3
Pipeline S S S
Multiple modes 25.2 1.0 29.4 0.6 34.0 1.1 7.7
Parcel, USPS or courier 26.0 0.8 31.8 0.6 40.3 1.1 7.7
Truck and rail S S S S 46.6 0.5 22.4
Truck and water S S S S S S 42.8
Rail and water
Other Multiple modes
Other and unknown modes 17.4 0.3 30.7 0.5 22.1 0.2 30.9

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 40.3 35.5 39.9 32.3
Single modes 41.8 2.6 34.1 4.1 39.4 1.0 S
Truck 42.2 2.6 35.2 4.2 42.6 8.4 S
For-hire truck S S 31.4 13.7 S S 17.6
Private truck 34.9 10.1 40.0 12.4 28.5 9.8 23.4
Rail S S S S S S 30.4
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 39.0 1.4 S S S S 36.0
Parcel, USPS or courier 42.4 1.4 41.9 S S 15.0
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 31.4
Rail and water
Other Multiple modes
Other and unknown modes 49.1 1.4 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 27.0 22.4 28.0 24.6
Single modes 27.6 3.5 22.1 1.5 27.9 0.8 27.2
Truck 27.7 3.5 22.8 2.6 28.5 2.8 27.2
For-hire truck 30.8 6.5 22.1 7.8 30.7 4.8 7.2
Private truck 42.3 7.1 44.7 8.7 S S 23.3
Rail S S S S 47.3 3.0 30.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.5 45.6 43.9 0.1 15.5
Pipeline S S S
Multiple modes S S S S S S 43.2
Parcel, USPS or courier S S S S S S 35.1
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S 45.5 0.7 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 18.3 30.1 32.7 14.9
Single modes 19.2 3.9 31.5 3.6 35.7 6.0 15.8
Truck 19.2 3.9 31.5 3.6 35.8 6.1 16.1
For-hire truck 19.4 7.2 32.6 7.8 35.7 6.3 11.5
Private truck 30.7 4.5 48.5 6.5 S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 40.3 S S S S 21.0
Pipeline S S S S S S S
Multiple modes 42.0 3.8 S S S S 11.7
Parcel, USPS or courier 42.0 3.8 S S S S 11.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 44.0 1.2 S S S S 48.4

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 4.9 9.2 14.1 12.5
Single modes 5.5 2.9 9.6 1.4 14.4 1.4 15.4
Truck 5.5 2.9 9.6 1.5 14.4 1.4 14.9
For-hire truck 9.5 6.3 13.2 5.8 17.5 4.7 31.4
Private truck 30.8 4.7 31.2 5.5 35.7 4.7 21.6
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 29.5 44.4 40.4 10.5
Pipeline S S S
Multiple modes 23.7 2.6 37.1 1.2 40.3 1.2 26.5
Parcel, USPS or courier 24.2 2.6 36.8 1.1 36.6 0.4 26.4
Truck and rail S S S S S S 25.8
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 31.9 0.6 29.6 0.6 44.2 0.6 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 17.1 12.3 13.2 10.6
Single modes 16.9 2.2 12.9 1.4 13.6 1.5 18.0
Truck 16.1 2.7 12.9 1.8 13.1 2.1 19.7
For-hire truck 15.7 1.9 15.2 3.3 12.7 2.1 8.5
Private truck 24.2 1.4 20.6 3.0 28.3 0.6 S
Rail S S 43.5 0.5 S S 26.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 29.7 1.7 47.6 0.7 42.1 0.8 9.3
Pipeline S S S
Multiple modes 16.7 2.4 19.5 0.5 26.0 0.9 7.0
Parcel, USPS or courier 16.7 2.4 19.5 0.5 26.0 0.9 7.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 40.6 1.2 49.8 1.0 45.6

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 19.4 23.6 35.1 38.6
Single modes 17.6 5.4 23.0 3.6 36.2 1.6 37.0
Truck 17.5 5.4 23.0 3.6 36.3 1.6 37.8
For-hire truck 21.4 7.8 26.4 6.7 38.2 4.9 30.7
Private truck 29.0 6.1 36.8 5.0 34.4 4.0 45.0
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 17.5
Pipeline S S S
Multiple modes 35.7 0.6 36.5 0.3 37.9 0.5 19.2
Parcel, USPS or courier 35.7 0.6 36.6 0.3 38.3 0.5 19.2
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 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 44.6 S S S S 20.3
Single modes 46.1 11.8 S S S S 25.2
Truck S S S S S S 25.0
For-hire truck S S S S S S 26.5
Private truck S S S S S S 27.6
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 49.1 3.0 S S S S 27.6
Pipeline S S S
Multiple modes 42.9 11.8 S S S S 21.6
Parcel, USPS or courier 42.9 11.8 S S S S 21.6
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 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 35.6 43.3 S S 28.8
Single modes 40.2 5.9 47.9 7.6 S S S
Truck 41.1 6.2 48.5 9.6 S S S
For-hire truck 29.6 8.5 45.5 10.2 S S 12.7
Private truck S S S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 41.5 1.0 S S S S 19.2
Pipeline S S S
Multiple modes 18.4 5.4 39.1 7.1 42.8 7.5 11.8
Parcel, USPS or courier 18.4 5.4 39.1 7.1 42.8 7.5 11.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 49.0 1.4 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 18.3 13.9 14.3 11.6
Single modes 18.8 1.0 14.3 1.3 15.3 4.2 12.0
Truck 18.9 1.1 14.4 1.3 15.4 4.2 11.9
For-hire truck 13.5 7.2 19.0 8.1 17.8 6.9 5.6
Private truck 38.5 6.7 33.9 7.7 34.6 5.9 14.5
Rail S S S S S S 29.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.3
Pipeline S S S
Multiple modes 34.7 0.4 S S S S 7.3
Parcel, USPS or courier 37.1 0.3 39.9 44.9 0.1 6.2
Truck and rail S S S S S S 31.6
Truck and water S S S S S S S
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 26.2

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 14.2 29.9 22.2 7.4
Single modes 14.9 2.3 30.4 1.1 22.8 1.6 9.5
Truck 16.0 3.2 34.4 8.7 23.2 2.0 9.6
For-hire truck 19.0 4.9 20.0 11.7 23.3 5.6 7.9
Private truck 27.9 3.9 S S S S 40.6
Rail S S S S S S 28.5
Water S S S S S S 29.8
Shallow draft S S S S S S 29.8
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 15.2
Pipeline S S S S S S S
Multiple modes 14.1 2.6 15.3 1.0 13.8 1.1 6.3
Parcel, USPS or courier 14.1 2.6 15.3 1.0 13.8 1.1 6.2
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S 47.6 0.6 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 44.2 45.8 36.8
Single modes S S 44.2 45.8 36.8
Truck S S 44.2 45.8 36.8
For-hire truck S S S S 47.0 7.3 33.2
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 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 12.7 21.5 19.4 22.5
Single modes 12.8 0.7 21.5 19.6 0.3 31.5
Truck 12.8 0.7 21.5 19.6 0.3 31.1
For-hire truck 25.2 6.5 37.5 6.9 30.9 9.3 15.8
Private truck 19.7 6.3 25.6 6.9 27.1 9.3 19.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 19.8
Pipeline S S S
Multiple modes 34.9 0.7 21.2 25.8 0.3 17.7
Parcel, USPS or courier 34.9 0.7 21.2 25.8 0.3 17.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 44.9 40.7 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 39.3 S S S S 33.4
Single modes 40.4 4.0 S S S S 47.5
Truck 34.2 11.6 30.7 18.5 S S S
For-hire truck 47.4 11.6 42.8 9.4 S S 22.2
Private truck 20.8 12.5 33.2 16.9 47.1 6.2 42.4
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 29.6
Pipeline S S S
Multiple modes 31.3 4.0 46.2 0.2 33.1 1.8 48.1
Parcel, USPS or courier 31.3 4.0 46.2 0.2 33.1 1.8 48.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 32.1

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.