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 5.2 9.1 14.0 9.5
Single modes 3.9 1.5 9.1 1.2 15.1 1.3 8.0
Truck 4.2 1.8 11.3 4.5 7.8 5.6 8.3
For-hire truck 6.7 1.7 17.8 4.6 7.9 4.5 7.7
Private truck 4.8 1.8 14.1 3.9 19.7 2.8 10.5
Rail 26.5 0.5 25.0 3.3 15.5 4.8 7.7
Water S S S S S S 33.3
Shallow draft S S S S S S 29.8
Great Lakes S S S S S S 31.6
Deep draft S S S S S S 38.6
Air (including truck and air) 15.7 0.2 41.6 37.8 9.0
Pipeline S S S S S S S
Multiple modes 18.6 1.8 13.9 0.2 16.9 1.0 4.2
Parcel, USPS or courier 18.3 1.8 16.8 20.0 0.2 4.4
Truck and rail S S 24.2 0.2 25.5 1.0 6.7
Truck and water 46.9 S S S S 26.5
Rail and water S S S S S S 31.6
Other Multiple modes S S S S S S 29.8
Other and unknown modes 23.4 0.9 36.9 1.2 30.2 0.8 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 31.6
Single modes S S S S S S 31.6
Truck
For-hire truck
Private truck
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
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 40.3 42.8 42.7 S
Single modes 40.3 42.8 42.7 S
Truck S S S S S S S
For-hire truck S S S S S S 37.0
Private truck S S S S S S S
Rail S S S S S S 29.8
Water 48.8 15.9 S S S S 29.0
Shallow draft S S S S S S 29.8
Great Lakes
Deep draft S S S S S S 33.0
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 27.5
Single modes S S S S S S 20.0
Truck S S S S S S 20.3
For-hire truck S S S S S S 26.9
Private truck S S S S S S 24.8
Rail S S S S S S 31.6
Water S S S S S S 29.8
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
Multiple modes S S S S S S 28.0
Parcel, USPS or courier S S S S S S 28.0
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 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 27.4
Private truck S S S S S S 39.2
Rail 46.9 14.4 44.9 14.4 44.3 15.3 28.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.9
Parcel, USPS or courier S S S S S S 29.9
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 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 31.3 21.6 37.5 41.1
Single modes 31.6 0.5 21.7 0.4 37.7 0.6 S
Truck 31.8 2.2 22.3 2.5 39.5 4.4 S
For-hire truck 47.1 10.7 34.1 11.0 43.9 12.5 17.4
Private truck 30.8 10.4 29.6 10.8 41.2 11.8 S
Rail S S S S S S 30.6
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 27.6
Parcel, USPS or courier S S S S S S 27.6
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 22.1 33.5 S S 25.3
Single modes 22.7 1.2 33.7 0.5 S S 41.6
Truck 22.8 1.1 34.7 2.5 S S 40.4
For-hire truck 32.3 9.2 48.0 9.8 S S 17.8
Private truck S S 34.7 9.8 27.5 8.1 25.4
Rail S S 43.0 2.7 44.6 7.7 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 48.7 1.1 48.2 0.3 S S 24.3
Parcel, USPS or courier S S S S S S 26.2
Truck and rail S S S S S S 26.6
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 12.0 20.2 25.6 28.6
Single modes 12.4 0.8 20.3 0.3 26.2 2.0 S
Truck 12.5 0.8 20.3 0.2 26.2 2.0 S
For-hire truck 20.7 8.0 17.3 8.5 30.6 7.3 10.2
Private truck 23.2 7.9 34.2 8.3 38.1 6.3 43.9
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 26.9
Pipeline S S S
Multiple modes 38.8 0.7 47.7 0.1 44.0 1.6 9.9
Parcel, USPS or courier S S 49.8 S S 14.2
Truck and rail S S S S S S 24.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 37.7 0.2 46.7 0.2 47.0 0.5 27.9

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 28.4 23.8 32.9 18.7
Single modes 28.7 1.3 23.8 1.0 32.9 0.2 18.7
Truck 28.7 1.3 23.8 1.0 32.9 0.2 18.7
For-hire truck S S S S S S S
Private truck 33.8 9.1 28.6 9.2 35.7 10.0 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 S
Parcel, USPS or courier S S S S S S 31.6
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 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 24.5
Single modes S S S S S S 25.1
Truck S S S S S S 25.1
For-hire truck
Private truck S S S S S S 25.1
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 31.6
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 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 26.1
Single modes S S S S S S 25.9
Truck S S S S S S 25.9
For-hire truck 45.3 10.4 S S S S 26.3
Private truck S S S S 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 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 27.0 30.2 35.1 S
Single modes 28.0 2.8 31.2 2.6 35.1 0.4 S
Truck 30.0 11.2 37.3 8.4 26.8 14.0 38.9
For-hire truck S S 42.1 7.2 36.8 5.6 S
Private truck 32.5 11.9 S S 35.3 11.1 34.3
Rail 36.7 11.6 32.5 8.4 36.9 14.3 21.6
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 46.1 2.6 49.4 0.4 24.8

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 14.8 12.7 33.9 S
Single modes 15.1 3.0 13.1 3.7 33.9 11.2 S
Truck 21.9 10.3 21.8 10.0 24.9 13.2 36.5
For-hire truck 36.4 7.0 39.3 7.1 30.1 6.1 S
Private truck 29.7 8.0 25.3 7.2 28.0 7.6 19.7
Rail 33.5 10.6 35.0 10.1 37.1 17.7 23.3
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 45.3 3.0 43.2 3.7 S S 26.4

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 35.8
Single modes S S S S S S 42.3
Truck S S S S S S 42.3
For-hire truck S S S S S S 31.4
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 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 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
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 S S S S S S 31.6
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 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 40.2 45.1 S S 29.6
Single modes 39.9 0.2 44.5 0.3 S S 30.1
Truck 35.8 2.4 37.0 4.4 S S 33.0
For-hire truck 20.8 11.4 20.3 11.9 38.2 15.8 42.2
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 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 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 16.5 19.1 41.3 S
Single modes 16.5 19.1 41.3 S
Truck 25.5 11.6 26.1 13.0 S S S
For-hire truck 15.3 9.4 14.2 10.5 31.6 15.4 36.7
Private truck 43.3 10.4 48.7 10.2 S S S
Rail S S S S S S 26.6
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 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 48.8 S S S
Single modes S S 49.0 2.3 S S S
Truck S S 43.6 11.4 S S S
For-hire truck S S 49.8 12.2 43.5 15.8 19.0
Private truck 35.7 15.3 28.4 17.4 46.5 10.9 S
Rail S S S S S S 29.1
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 29.8
Parcel, USPS or courier S S S S S S 30.2
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 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 30.1 34.5 42.6 27.3
Single modes 28.9 1.7 34.6 1.3 42.8 1.3 27.2
Truck 34.3 8.6 38.9 8.0 44.1 13.5 28.0
For-hire truck 40.7 9.3 39.9 11.6 37.6 12.1 24.2
Private truck 46.1 11.1 S S S S 29.2
Rail S S S S S S 24.1
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 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 26.9 S S S S 23.3
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 48.4
Private truck 43.4 3.9 S S S S 28.9
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 37.8 11.4 35.7 10.6 39.9 12.4 20.0
Parcel, USPS or courier 37.8 11.4 35.7 10.6 39.9 12.4 20.0
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 S S 26.0
Single modes S S S S S S 26.0
Truck S S S S S S 26.0
For-hire truck S S S S S S 28.5
Private truck S S S S S S 29.7
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 27.9 34.6 35.2 44.6
Single modes 27.1 2.9 33.8 4.3 37.7 9.7 S
Truck 27.1 2.9 33.8 4.3 37.7 9.7 S
For-hire truck 30.5 5.2 35.1 4.5 38.4 9.3 18.8
Private truck 37.0 6.6 46.3 5.4 S S 31.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.1
Pipeline S S S
Multiple modes 37.5 3.0 44.4 4.4 44.8 9.7 34.0
Parcel, USPS or courier 27.6 1.8 28.1 0.4 31.4 0.2 41.6
Truck and rail 45.1 3.7 44.9 4.6 45.0 9.8 26.0
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 26.5

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 13.0 26.7 24.4 17.1
Single modes 14.1 2.5 27.2 1.5 26.3 3.1 26.2
Truck 14.7 3.1 20.5 6.8 16.0 7.5 26.4
For-hire truck 10.5 6.4 24.5 10.2 18.7 8.8 13.5
Private truck 35.6 6.9 44.4 10.0 S S 21.9
Rail S S S S S S 37.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 36.8 0.2 43.5 0.1 S S 11.2
Pipeline S S S
Multiple modes 16.0 2.1 28.5 1.0 37.0 2.6 14.6
Parcel, USPS or courier 18.0 2.2 21.0 0.8 31.7 2.1 14.8
Truck and rail S S S S S S 26.6
Truck and water S S S S S S S
Rail and water
Other Multiple modes
Other and unknown modes S S 48.9 1.1 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 35.0
Single modes S S S S S S 39.3
Truck S S S S S S 39.3
For-hire truck S S S S S S 31.6
Private truck S S S S S S 34.4
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

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 13.6 33.7 38.8 13.2
Single modes 13.8 1.4 33.9 2.1 38.9 0.5 16.6
Truck 14.0 1.6 34.7 3.3 40.6 6.3 16.5
For-hire truck 23.2 7.7 38.8 8.6 S S 16.6
Private truck 19.8 8.2 36.7 9.0 30.1 7.4 24.5
Rail 49.4 0.8 48.5 3.2 48.8 6.3 26.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.1
Pipeline S S S
Multiple modes S S S S S S 19.8
Parcel, USPS or courier S S S S S S 19.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 47.4 0.4 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 30.8 26.7 26.0 10.2
Single modes 31.4 1.6 26.9 0.6 26.6 1.6 13.1
Truck 34.0 4.7 30.6 3.9 32.0 4.8 13.8
For-hire truck 36.3 4.6 32.4 4.0 32.2 4.8 4.5
Private truck 27.8 3.4 24.0 2.2 32.2 0.2 40.4
Rail 21.7 4.0 18.8 3.8 14.5 4.0 11.8
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 49.2 1.6 40.5 0.4 43.9 1.3 21.3
Parcel, USPS or courier S S 49.4 S S 21.5
Truck and rail 42.4 0.3 44.9 0.3 45.0 1.2 25.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 37.4

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 19.7 31.3 24.8 17.9
Single modes 20.8 1.9 32.0 1.5 25.3 2.7 30.7
Truck 21.3 3.2 32.2 2.0 25.5 3.2 33.5
For-hire truck 23.0 6.0 34.1 6.5 23.7 3.4 34.3
Private truck 30.9 4.7 35.1 5.4 S S S
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes 29.0 1.7 34.4 1.3 47.6 2.6 11.2
Parcel, USPS or courier 30.2 1.2 33.5 0.8 35.8 1.0 11.3
Truck and rail S S 46.2 0.7 S S 17.9
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S 45.8 0.3 S S 42.0

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 13.6 22.6 32.9 15.4
Single modes 13.1 2.6 17.2 3.9 25.5 5.8 47.0
Truck 13.1 2.9 17.2 3.9 26.5 5.9 S
For-hire truck 17.3 6.7 22.0 7.0 27.5 5.4 8.6
Private truck 45.0 7.6 46.4 7.0 S S S
Rail S S S S S S 26.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 16.2
Pipeline S S S
Multiple modes 33.8 2.3 S S S S 7.9
Parcel, USPS or courier 43.7 2.4 31.4 0.4 32.0 0.6 7.8
Truck and rail 33.6 1.3 S S S S 17.7
Truck and water S S S S S S S
Rail and water
Other Multiple modes
Other and unknown modes 32.7 1.0 30.6 1.7 43.0 1.4 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 28.5 28.2 28.7 5.2
Single modes 12.3 8.2 21.6 8.6 9.8 11.5 17.9
Truck 12.4 8.3 21.9 8.4 10.2 11.3 20.1
For-hire truck 8.9 7.7 10.2 9.3 9.8 11.4 6.7
Private truck 41.4 2.4 S S 36.8 0.7 28.9
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 36.9
Pipeline S S S
Multiple modes 36.8 7.5 40.8 7.2 40.7 9.1 5.2
Parcel, USPS or courier 36.9 7.5 41.3 6.9 41.4 8.7 5.2
Truck and rail 38.3 41.8 0.4 42.5 0.7 21.8
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 32.1 S S 41.5 21.1
Single modes 33.6 6.2 S S 41.8 0.8 S
Truck 33.6 6.2 S S 41.9 0.8 S
For-hire truck 34.8 12.4 S S 38.5 12.8 S
Private truck 35.0 9.7 S S S S 24.2
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 31.6
Pipeline S S S
Multiple modes 30.3 1.1 S S 46.6 0.8 15.7
Parcel, USPS or courier 37.0 1.1 42.4 S S 15.7
Truck and rail S S S S S S 32.0
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 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 20.6 20.9 21.3 20.5
Single modes 19.5 2.5 19.0 2.2 15.9 5.7 23.7
Truck 19.3 2.6 19.0 4.1 17.6 7.7 23.6
For-hire truck 19.1 7.1 19.5 8.4 20.1 7.8 14.4
Private truck 40.4 6.3 30.4 7.4 19.8 5.4 S
Rail S S 44.1 3.2 47.2 4.4 24.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.2
Pipeline S S S
Multiple modes S S 34.9 40.4 15.5
Parcel, USPS or courier S S 34.9 40.4 15.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S S

SCTG 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 16.4 21.9 20.3 32.3
Single modes 19.2 4.6 25.0 8.1 28.8 10.9 44.0
Truck 19.2 4.3 23.3 7.3 28.6 9.9 45.4
For-hire truck 26.8 7.4 29.1 8.2 26.8 9.8 12.1
Private truck 20.6 5.7 26.3 6.1 S S S
Rail 42.9 1.6 42.7 4.2 42.3 5.2 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 49.6 0.2 47.6 S S 23.8
Pipeline S S S
Multiple modes 42.3 4.1 40.0 1.1 S S 19.9
Parcel, USPS or courier 43.4 4.1 33.8 0.8 46.3 1.8 20.1
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 41.1 1.6 S S 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 10.9 15.0 23.3 23.9
Single modes 9.2 4.2 17.7 5.3 25.3 3.6 43.6
Truck 9.0 4.1 18.0 5.0 24.9 3.3 45.1
For-hire truck 12.8 3.9 19.3 5.7 25.1 3.6 9.1
Private truck 17.1 5.3 20.8 4.3 24.7 0.8 S
Rail 41.6 0.6 47.2 0.9 47.3 1.8 23.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 5.5
Pipeline S S S
Multiple modes 26.5 2.5 30.7 0.9 48.4 2.1 8.3
Parcel, USPS or courier 24.7 2.4 24.6 0.5 25.9 1.0 8.4
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 43.3 3.0 47.1 5.0 42.2 3.0 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 10.7 15.0 20.1 12.4
Single modes 12.8 5.6 13.6 3.1 15.9 3.3 19.1
Truck 13.8 5.9 13.9 3.2 16.2 3.2 22.1
For-hire truck 14.7 5.2 14.9 3.6 17.1 3.1 16.3
Private truck 21.2 2.3 21.7 2.6 24.6 2.1 S
Rail 44.4 0.2 49.5 0.6 S S 29.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 21.0 1.1 26.2 0.2 35.8 0.4 9.6
Pipeline S S S
Multiple modes 24.1 4.1 22.8 1.0 24.5 1.1 8.4
Parcel, USPS or courier 25.1 4.2 25.3 1.0 27.6 1.2 8.5
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 S S S S S S 31.6
Other and unknown modes S S 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 43.1 49.5 34.1 26.6
Single modes 31.7 6.7 19.5 15.0 19.6 9.5 39.6
Truck 33.1 7.2 20.2 14.4 21.5 10.2 41.4
For-hire truck 44.6 6.4 28.6 10.2 28.2 8.9 10.5
Private truck 17.4 9.5 30.9 10.0 21.5 6.9 S
Rail S S S S S S 28.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 46.7 36.4 47.9 0.1 16.7
Pipeline S S S S S S S
Multiple modes S S S S S S 15.8
Parcel, USPS or courier S S 42.3 1.4 S S 15.8
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 30.0 4.1 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 25.9 41.2 S S 20.7
Single modes 46.1 13.3 S S S S 26.1
Truck 46.1 13.3 S S S S 26.1
For-hire truck S S S S S S 28.2
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 S S 41.5 15.5 48.9 13.2 22.1
Parcel, USPS or courier S S 41.5 15.5 48.9 13.2 22.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.8

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 35.2 S S S S 11.2
Single modes 35.4 9.3 S S S S 28.0
Truck 37.4 12.4 S S S S 27.7
For-hire truck 37.3 12.0 S S S S 26.6
Private truck S S S S S S 34.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 36.1 12.0 43.8 12.8 42.2 13.0 15.1
Pipeline S S S
Multiple modes S S S S S S 22.2
Parcel, USPS or courier S S S S S S 22.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 22.9 12.4 19.9 25.1
Single modes 20.0 1.6 11.7 1.0 20.3 1.0 15.6
Truck 20.2 1.6 11.9 1.2 20.8 1.5 16.1
For-hire truck 14.0 7.1 16.0 7.9 23.3 8.4 10.1
Private truck 35.6 6.2 21.0 7.4 34.1 7.8 26.9
Rail S S S S S S 26.9
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 31.0
Pipeline S S S
Multiple modes 16.3 0.3 20.9 0.3 20.2 0.2 20.5
Parcel, USPS or courier 16.3 0.3 20.9 0.3 20.2 0.2 20.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 48.0 1.1 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 13.5 16.5 23.9 8.1
Single modes 14.4 7.1 18.4 3.3 28.2 7.6 24.8
Truck 14.7 7.1 18.4 3.4 28.4 7.8 16.4
For-hire truck 13.0 6.2 25.0 7.7 32.2 8.2 8.8
Private truck 27.3 3.7 29.8 5.6 S S 39.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 27.1 0.4 26.3 0.2 38.8 0.6 11.1
Pipeline S S S
Multiple modes 35.7 8.0 42.2 2.9 45.1 7.0 7.4
Parcel, USPS or courier 36.3 7.6 43.7 2.9 48.4 7.1 7.4
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 49.1 3.4 42.1 2.1 S S 26.5

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 S S S S 45.3 45.3
Single modes S S S S 45.3 10.5 39.1
Truck S S S S S S 41.6
For-hire truck S S S S S S S
Private truck S S S S S S 28.7
Rail 35.6 6.6 35.3 8.2 43.1 10.1 26.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 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 6.8 9.7 8.5 12.7
Single modes 5.9 2.0 10.2 1.7 7.2 2.9 16.3
Truck 5.9 2.0 10.2 1.7 7.1 2.9 17.2
For-hire truck 9.7 3.8 21.0 4.1 16.2 4.1 30.5
Private truck 10.2 3.9 13.1 4.0 9.5 3.7 13.7
Rail
Water S S S S S S 31.6
Shallow draft
Great Lakes S S S S S S 31.6
Deep draft
Air (including truck and air) 48.9 S S S S 24.2
Pipeline S S S
Multiple modes 31.0 2.2 30.2 0.4 32.7 3.1 8.6
Parcel, USPS or courier 33.3 2.2 37.3 0.4 40.6 2.8 8.6
Truck and rail S S S S S S 29.5
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 41.6 46.6 48.3 35.6
Single modes 40.7 9.3 47.8 7.7 S S 28.9
Truck 43.0 10.6 47.8 7.7 S S 31.6
For-hire truck 44.1 14.1 48.0 16.4 45.7 13.7 22.0
Private truck S S S S S S 28.0
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 39.7
Parcel, USPS or courier S S S S S S 39.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

KEY:
– Represents data cell equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.
CV Coefficient of variation of number

NOTE: The Introduction and appendixes give information onf confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Individual State Data, December 2004.