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 6.1 21.7 8.0 11.9
Single modes 7.8 2.0 24.6 2.3 9.1 3.5 26.8
Truck 8.9 2.3 35.7 5.6 22.1 4.3 31.8
For-hire truck 8.8 1.9 22.8 4.5 27.5 4.4 11.0
Private truck 17.4 3.2 S S 37.4 1.3 S
Rail 20.4 0.7 9.4 2.2 19.6 3.1 8.4
Water 19.6 0.3 16.8 2.8 18.9 5.3 25.1
Shallow draft 20.4 0.3 18.4 2.4 20.3 4.8 26.5
Great Lakes 31.0 30.9 0.9 31.1 1.6 21.1
Deep draft S S S S S S 31.6
Air (including truck and air) 22.2 1.0 16.4 15.4 3.6
Pipeline S S S S S S S
Multiple modes 8.1 1.5 14.7 2.4 16.5 3.5 5.6
Parcel, USPS or courier 9.0 1.5 18.9 14.3 5.6
Truck and rail S S S S S S 24.7
Truck and water S S 49.3 0.1 45.3 0.3 21.6
Rail and water 17.7 0.1 15.6 2.4 17.7 3.6 4.4
Other Multiple modes S S S S S S 29.8
Other and unknown modes 29.2 0.9 25.1 0.4 32.7 0.5 38.3

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 31.2
Single modes S S S S S S 31.2
Truck S S S S S S 31.2
For-hire truck S S S S S S 31.6
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 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 17.5 19.1 22.2 S
Single modes 17.8 1.2 19.4 0.9 22.2 S
Truck S S S S S S 36.4
For-hire truck S S S S S S S
Private truck 47.0 1.8 47.0 2.0 38.5 S
Rail 28.2 9.5 28.7 8.7 40.9 8.9 33.4
Water 22.7 9.0 23.1 9.3 23.7 10.2 10.6
Shallow draft 23.3 9.5 23.3 9.6 23.7 10.2 10.6
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 30.8
Parcel, USPS or courier S S S S S S 30.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 39.3 1.2 40.9 0.9 33.7 30.6

SCTG 3, Other agricultural products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 38.4 41.3 20.0 S
Single modes 42.8 7.9 46.4 8.0 20.5 3.1 S
Truck 44.0 10.3 42.9 6.5 49.5 6.4 S
For-hire truck 38.4 7.5 48.2 6.6 S S 22.3
Private truck S S S S S S 49.6
Rail S S S S S S 24.6
Water 32.5 13.0 33.4 13.2 34.1 14.2 15.2
Shallow draft 32.5 13.0 33.4 13.2 34.1 14.2 15.2
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 30.4
Parcel, USPS or courier S S S S S S 31.6
Truck and rail S S S S S S 31.8
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 14.7 32.3 33.1 S
Single modes 15.5 2.0 32.7 1.0 35.1 4.1 S
Truck 16.9 4.5 32.4 3.4 29.9 8.6 S
For-hire truck 16.7 9.7 42.6 9.8 33.0 8.5 44.3
Private truck 43.1 9.2 41.7 10.4 42.3 3.0 45.4
Rail 26.7 4.7 38.1 3.6 42.7 8.9 17.4
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 27.0
Parcel, USPS or courier S S S S S S 30.3
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 30.4

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 17.0 18.1 18.2 S
Single modes 17.3 1.3 17.2 2.2 18.5 1.0 S
Truck 17.3 1.3 17.0 2.2 17.9 1.3 S
For-hire truck 17.2 8.0 17.4 7.7 18.8 7.3 13.3
Private truck 44.1 7.9 33.5 7.7 38.4 7.4 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 31.6
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 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 35.0 48.4 S
Single modes S S 35.5 10.4 48.9 10.9 S
Truck S S 46.7 14.8 S S 36.7
For-hire truck S S S S S S 19.9
Private truck S S S S S S S
Rail S S S S S S 21.3
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 25.9

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 30.2 43.1 S S S
Single modes 30.5 0.3 43.2 0.2 S S S
Truck 31.8 4.0 28.2 6.9 40.2 10.6 S
For-hire truck 36.6 7.5 35.0 8.4 45.6 10.6 15.8
Private truck 24.4 6.2 19.6 7.6 30.6 7.1 S
Rail S S S S S S 17.0
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 S S 45.4 S S 35.1
Parcel, USPS or courier S S 45.4 S S 35.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 31.2 0.3 32.3 0.2 32.0 0.3 35.4

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 S S S S S S 33.1
Single modes S S S S S S 33.1
Truck S S S S S S 33.1
For-hire truck S S S S S S S
Private truck S S S S S S 24.5
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 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 37.8 41.1 36.3 31.1
Single modes 37.8 41.1 36.3 31.1
Truck 37.8 41.1 36.3 31.1
For-hire truck 45.5 15.9 47.5 15.7 48.1 18.7 26.3
Private truck S S S S S S 23.8
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 43.3 S S 37.2
Single modes S S 43.4 10.5 S S 30.1
Truck S S 43.4 10.5 S S 30.1
For-hire truck S S S S S S 31.6
Private truck S S S S S S 35.4
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 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 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 25.5 25.1 35.4 32.5
Single modes 25.6 2.3 25.3 2.6 35.5 3.5 31.9
Truck 29.5 8.0 30.9 7.8 31.6 12.0 22.4
For-hire truck 49.9 3.3 S S S S 32.0
Private truck 30.7 9.3 29.7 7.9 31.5 13.6 44.7
Rail 40.9 9.0 41.0 3.5 41.4 16.8 26.0
Water S S S S S S 29.9
Shallow draft S S S S S S 29.9
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 S S S S S S 37.5

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 30.2 24.6 32.1 13.9
Single modes 30.4 4.4 27.2 5.3 35.0 4.6 14.8
Truck 36.1 8.8 35.3 8.6 41.1 8.1 14.7
For-hire truck S S S S S S 36.6
Private truck 43.9 8.5 13.3 8.4 S S 13.2
Rail
Water 47.9 9.1 S S S S 26.4
Shallow draft 47.9 9.1 S S S S 26.4
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
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 26.2

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 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 21.7
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 30.3
Parcel, USPS or courier S S S S S S 30.3
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 10.5 7.1 11.1 8.3
Single modes 16.9 7.7 12.1 6.3 19.0 7.1 15.4
Truck S S S S S S 42.4
For-hire truck S S S S S S 42.4
Private truck
Rail 19.1 6.6 12.1 5.4 22.4 5.3 18.7
Water S S S S S S 29.8
Shallow draft
Great Lakes S S S S S S 29.8
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 17.4 7.7 15.4 6.3 17.6 7.1 4.4
Parcel, USPS or courier
Truck and rail
Truck and water S S S S S S 31.6
Rail and water 17.7 7.7 15.6 6.3 17.7 7.1 4.4
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 42.2 41.3 41.0 25.8
Single modes 42.1 2.8 41.6 3.7 41.7 3.0 25.8
Truck 41.8 0.8 42.2 0.7 42.3 0.4 25.8
For-hire truck 41.8 0.8 42.2 0.7 42.3 0.4 25.8
Private truck
Rail S S S S S S 29.8
Water 42.3 2.0 41.6 3.1 41.7 2.6 25.8
Shallow draft 42.3 2.0 41.6 3.1 41.7 2.6 25.8
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 26.1
Parcel, USPS or courier
Truck and rail
Truck and water S S S S S S 26.1
Rail and water
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 40.2 37.8 37.0 23.5
Single modes 40.2 37.8 37.0 23.5
Truck 41.6 4.5 37.7 5.3 37.7 2.9 23.5
For-hire truck S S 48.5 5.1 45.3 7.6 26.1
Private truck 42.2 8.2 38.3 8.5 41.5 9.0 23.3
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 41.0 42.2 48.4 39.4
Single modes 41.0 42.2 48.4 39.4
Truck 33.1 9.9 32.9 11.2 S S 39.4
For-hire truck S S 46.5 5.2 S S 22.9
Private truck 36.4 9.6 34.7 10.3 S S 47.5
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 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 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 44.5 S S S S S
Single modes 45.1 10.4 S S S S S
Truck 33.8 16.9 S S S S S
For-hire truck 41.4 8.5 S S S S 29.5
Private truck S S S S S S S
Rail S S S S S S 29.3
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 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 31.6

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 S
Single modes S S S S S S S
Truck S S S S S S S
For-hire truck S S 48.9 11.9 S S 27.2
Private truck S S S S S S 30.0
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 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

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 34.4 S S 38.6 S
Single modes S S S S 39.4 8.3 S
Truck S S S S 39.3 8.3 S
For-hire truck 24.4 16.9 42.9 16.3 42.9 11.9 25.3
Private truck S S S S S S 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 28.7
Pipeline S S S
Multiple modes 40.8 13.9 36.7 15.9 29.5 8.3 28.5
Parcel, USPS or courier 40.8 13.9 36.7 15.9 29.5 8.3 28.5
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 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 33.2 S
Single modes S S S S 33.2 S
Truck S S S S 33.2 S
For-hire truck 49.8 14.8 41.3 15.6 49.9 16.4 27.5
Private truck S S S S 44.4 16.4 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 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 32.0 48.2 S S 20.0
Single modes 33.7 13.1 S S S S 25.4
Truck 33.8 13.8 S S S S 25.7
For-hire truck 38.3 10.3 47.2 10.9 S S 20.0
Private truck 37.6 6.4 S S S S 45.8
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) S S S S S S 25.5
Pipeline S S S
Multiple modes 39.2 10.4 S S S S 25.2
Parcel, USPS or courier 39.2 10.4 S S S S 25.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 25.5 27.9 31.6 19.1
Single modes 26.5 2.7 29.6 5.5 32.3 3.4 20.4
Truck 26.5 2.8 29.6 5.5 32.3 3.4 19.1
For-hire truck 27.8 4.1 30.2 5.3 32.5 3.2 17.2
Private truck 34.7 3.2 49.8 2.9 S S 28.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 45.2 0.5 36.6 36.4 0.1 9.6
Pipeline S S S
Multiple modes 25.9 1.4 30.8 2.6 21.8 1.0 23.1
Parcel, USPS or courier 25.9 1.4 30.8 2.6 22.0 1.0 23.1
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 42.2 1.9 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 41.1 S S 40.1 29.6
Single modes 41.1 S S 40.1 29.6
Truck 41.1 S S 40.1 29.6
For-hire truck 44.9 9.8 43.9 12.9 43.4 10.0 25.9
Private truck S S S S S S 27.5
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 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 22.1 18.9 15.7 25.1
Single modes 22.5 1.2 19.0 0.5 15.8 0.2 31.9
Truck 23.5 3.0 21.0 5.2 21.5 6.7 33.2
For-hire truck 38.3 9.5 25.3 8.2 28.3 7.6 18.1
Private truck 34.3 9.6 32.9 10.5 26.3 2.7 43.5
Rail 14.7 2.5 21.1 4.9 18.4 6.7 4.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 39.8 0.1 S S 45.4 20.8
Parcel, USPS or courier 39.8 0.1 S S 45.4 20.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 49.9 0.5 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 9.6 8.2 8.2 25.9
Single modes 9.4 3.0 8.1 0.8 7.5 1.0 16.4
Truck 12.5 4.0 10.8 3.8 11.2 4.7 16.3
For-hire truck 15.1 4.4 14.2 3.4 12.3 4.8 17.5
Private truck 22.5 3.1 18.3 2.8 39.3 1.2 22.8
Rail 10.4 3.9 10.3 3.6 11.9 4.6 9.3
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 38.2 S
Truck and rail S S S S S S 30.0
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 28, Paper or paperboard articles

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 26.7 29.3 24.8 26.4
Single modes 26.0 7.4 24.8 8.2 21.0 8.5 34.9
Truck 26.5 7.8 24.8 8.2 21.1 8.5 25.1
For-hire truck 35.0 8.8 31.9 8.3 22.3 8.6 33.9
Private truck 23.8 8.5 26.1 7.2 22.8 3.4 47.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.5
Pipeline S S S
Multiple modes 43.1 4.3 S S S S 22.1
Parcel, USPS or courier 43.1 4.3 S S S S 22.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 25.8

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 13.7 13.5 17.4 8.2
Single modes 16.6 5.6 14.8 2.8 19.2 4.3 16.8
Truck 16.4 5.5 14.7 2.8 19.1 4.5 20.3
For-hire truck 18.0 5.0 15.9 5.5 19.5 4.6 12.4
Private truck 29.4 4.3 32.2 3.8 S S 28.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 16.5
Pipeline S S S
Multiple modes 14.3 6.4 20.2 2.9 23.3 4.4 7.3
Parcel, USPS or courier 14.3 6.4 20.8 2.9 24.3 4.5 7.2
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 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 15.5 45.3 S S 9.7
Single modes 27.1 6.8 S S S S 17.5
Truck 27.2 6.8 S S S S 18.9
For-hire truck 25.9 6.5 S S S S 10.4
Private truck 40.5 2.4 36.8 6.5 S S 30.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 35.5 43.1 47.0 0.2 21.3
Pipeline S S S
Multiple modes 25.6 7.8 16.0 8.5 17.9 11.2 9.8
Parcel, USPS or courier 25.8 7.7 15.9 8.5 17.0 11.0 9.8
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 46.6 3.2 S S 48.5 2.2 S

SCTG 31, Nonmetallic mineral products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 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 35.9
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 29.0
Pipeline S S S
Multiple modes 38.1 11.1 S S S S 34.2
Parcel, USPS or courier 41.6 11.1 35.8 8.8 41.0 10.4 16.7
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 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 13.4 28.9 37.4 33.0
Single modes 14.3 2.1 29.1 1.3 37.5 1.2 38.4
Truck 15.3 3.2 25.9 16.5 S S 38.7
For-hire truck 18.5 5.2 27.8 10.5 13.6 19.0 23.6
Private truck 20.0 4.6 24.7 7.3 20.7 4.3 28.4
Rail S S S S S S 29.1
Water 43.0 3.0 41.5 17.0 S S 25.8
Shallow draft S S S S S S 31.6
Great Lakes 42.0 2.6 42.0 16.5 S S 25.8
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 38.2 0.9 S S S S 17.0
Parcel, USPS or courier 38.2 0.9 S S S S 17.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 22.8 35.2 27.6 21.3
Single modes 26.9 5.6 35.6 1.6 27.0 1.5 21.3
Truck 27.1 5.5 35.7 1.6 27.3 1.7 21.5
For-hire truck 30.6 6.5 32.6 4.8 27.6 3.1 16.8
Private truck 31.9 3.9 47.9 4.3 39.6 3.3 37.0
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 43.3 0.4 S S S S 13.7
Pipeline S S S
Multiple modes 34.9 4.0 32.0 0.6 42.5 1.2 22.6
Parcel, USPS or courier 36.5 4.0 30.0 0.5 43.3 0.9 22.7
Truck and rail S S S S S S 29.8
Truck and water S S S S S S 30.4
Rail and water
Other Multiple modes
Other and unknown modes S S 45.4 1.4 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 16.1 14.5 10.7 32.0
Single modes 14.9 2.8 14.0 1.1 10.4 1.1 41.0
Truck 15.2 2.5 15.4 3.0 11.4 5.2 41.9
For-hire truck 11.7 4.6 16.3 6.7 13.5 5.1 21.1
Private truck 37.8 4.9 34.6 7.1 30.4 4.7 24.0
Rail 42.9 1.1 S S S S 23.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 28.9 0.4 46.3 0.2 S S 13.8
Pipeline S S S
Multiple modes 21.5 2.6 36.5 0.9 23.5 0.7 25.4
Parcel, USPS or courier 21.4 2.6 36.4 0.9 23.6 0.7 25.4
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 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 9.8 15.6 23.4 6.7
Single modes 10.8 3.7 20.2 4.9 35.5 6.3 17.5
Truck 16.3 5.0 21.3 5.2 38.6 6.9 23.9
For-hire truck 24.8 5.4 32.0 7.8 40.7 8.0 23.1
Private truck 30.0 4.4 27.9 7.3 24.2 1.9 44.7
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 25.5 5.1 24.3 0.9 24.0 1.7 5.3
Pipeline S S S
Multiple modes 13.8 3.8 28.9 4.9 26.9 6.3 4.3
Parcel, USPS or courier 14.6 4.2 31.1 5.1 29.9 7.1 4.3
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 38.0 0.4 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 22.8 25.8 28.7 30.0
Single modes 26.9 8.6 23.4 10.7 39.0 9.8 S
Truck 27.0 8.5 23.6 10.7 39.8 9.7 S
For-hire truck 39.1 10.4 39.1 10.8 44.6 11.4 22.9
Private truck 32.7 7.6 37.2 8.8 31.1 9.0 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 38.2 1.1 S S S S 12.5
Pipeline S S S
Multiple modes 43.6 6.0 S S 49.4 7.4 19.4
Parcel, USPS or courier 43.6 6.0 S S 49.4 7.4 19.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 36.0 7.7 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 46.2 47.1 37.0 12.2
Single modes S S 42.6 9.8 40.1 10.2 19.7
Truck 44.8 10.0 42.8 9.7 40.6 10.4 39.4
For-hire truck S S 47.6 12.9 S S 15.5
Private truck 42.9 12.9 49.0 14.8 45.5 13.1 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 28.4
Pipeline S S S
Multiple modes S S S S S S 17.9
Parcel, USPS or courier S S S S S S 17.9
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 19.3 41.7 39.1 7.8
Single modes 29.3 8.4 43.4 9.8 42.0 10.2 13.7
Truck 31.4 4.9 47.5 11.3 47.3 14.8 32.0
For-hire truck 30.9 4.5 41.0 10.9 46.3 14.0 20.7
Private truck 47.4 0.5 S S S S 27.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 40.2 9.0 25.0 4.5 29.2 9.2 5.4
Pipeline S S S S S S S
Multiple modes 30.9 8.5 36.4 9.9 32.5 10.2 6.1
Parcel, USPS or courier 30.9 8.5 36.4 9.9 32.5 10.2 6.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 39.3 0.3 S S 46.2 0.2 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 26.0 38.8 42.9 8.4
Single modes 29.4 3.7 41.1 3.0 S S 22.6
Truck 29.6 3.7 41.1 3.1 S S 24.0
For-hire truck S S S S S S 13.9
Private truck 24.2 10.7 S S 35.2 4.3 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 22.6
Pipeline S S S
Multiple modes 22.7 2.5 22.5 2.8 22.2 8.4 8.0
Parcel, USPS or courier 22.7 2.5 22.5 2.8 22.2 8.4 8.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 48.0 0.6 S S 48.9

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 18.6 22.8 33.6 15.1
Single modes 24.2 5.9 25.3 4.5 37.2 4.9 30.0
Truck 24.6 6.2 25.7 4.5 38.1 5.0 37.1
For-hire truck 17.8 6.1 32.0 8.1 39.8 6.0 23.3
Private truck 49.3 4.5 36.9 6.4 29.1 1.9 25.5
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 25.8 0.6 48.1 0.8 40.4 1.0 10.3
Pipeline S S S
Multiple modes 20.3 5.9 25.8 2.3 42.2 4.7 11.7
Parcel, USPS or courier 21.4 6.2 28.2 2.4 23.0 5.1 11.8
Truck and rail
Truck and water S S S S S S 30.3
Rail and water
Other Multiple modes
Other and unknown modes 48.4 3.5 S S 30.6 0.3 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 22.7
Single modes S S S S S S 22.8
Truck S S S S S S 28.2
For-hire truck S S S S S S 23.1
Private truck S S S S S S 32.5
Rail S S S S S S 23.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 33.8

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 15.4 31.0 31.7 17.4
Single modes 16.9 2.5 31.2 0.4 32.0 1.1 20.4
Truck 17.2 2.6 31.2 0.4 32.1 1.1 15.7
For-hire truck 24.9 7.0 26.9 6.6 33.6 8.9 13.4
Private truck 15.8 6.5 39.7 6.6 37.6 8.6 13.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 45.9 0.4 47.5 48.5 0.1 18.5
Pipeline S S S
Multiple modes 26.5 2.1 33.2 0.3 41.0 1.1 19.4
Parcel, USPS or courier 26.5 2.1 33.2 0.3 41.0 1.1 19.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 41.6 0.8 38.3 0.1 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 30.2 S S S S 24.5
Single modes 31.9 8.3 S S S S 27.2
Truck 31.9 11.3 S S S S 27.5
For-hire truck 37.3 12.4 S S S S 23.0
Private truck S S 42.1 15.5 S S 29.6
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 30.6
Pipeline S S S
Multiple modes 48.1 8.5 S S S S 23.5
Parcel, USPS or courier 50.0 8.6 S S S S 23.5
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 45.3

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.