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 5.4 7.8 9.4 7.7
Single modes 7.1 1.9 7.8 1.3 8.7 3.5 18.3
Truck 7.7 2.4 8.3 3.1 10.3 4.4 7.8
For-hire truck 11.0 3.0 11.5 3.4 11.8 4.3 4.4
Private truck 5.2 1.7 11.6 3.4 11.9 1.2 9.5
Rail 18.4 0.8 20.5 1.6 16.3 2.3 8.2
Water 40.8 29.1 2.5 28.5 3.0 28.4
Shallow draft
Great Lakes 40.6 30.6 2.5 29.4 3.0 15.1
Deep draft S S S S S S S
Air (including truck and air) 28.7 0.2 32.6 31.0 5.0
Pipeline 44.2 0.4 S S S S S
Multiple modes 11.6 1.8 29.9 1.0 31.7 3.5 5.4
Parcel, USPS or courier 7.9 0.9 17.1 17.5 0.2 5.4
Truck and rail 26.7 1.4 22.3 0.1 22.5 0.8 7.6
Truck and water 39.1 S S S S 36.2
Rail and water 39.1 39.7 1.0 45.2 3.4 47.9
Other Multiple modes S S S S S S 41.8
Other and unknown modes 37.9 1.2 40.8 1.1 31.3 0.5 41.2

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 26.2
Single modes S S S S S S 26.2
Truck S S S S S S 25.1
For-hire truck S S S S S S 29.1
Private truck S S S S S S 27.8
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 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 36.9 47.4 S S 46.6
Single modes 37.7 2.0 47.9 0.9 S S 45.4
Truck 38.8 8.2 S S S S 41.8
For-hire truck 48.0 9.2 S S S S 46.9
Private truck S S 41.8 10.0 S S S
Rail S S S S S S 29.8
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)
Pipeline S S S
Multiple modes S S S S S S 31.4
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 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 44.1 27.5
Single modes S S S S 40.6 10.3 S
Truck S S S S 46.6 10.4 S
For-hire truck S S S S S S 30.2
Private truck S S S S 48.6 11.0 S
Rail S S S S S S 30.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 28.6
Parcel, USPS or courier S S S S S S 28.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 28.5 23.8 29.5 S
Single modes 28.6 10.5 23.8 10.5 29.6 10.5 20.8
Truck 28.6 10.5 23.8 10.5 29.6 10.5 20.8
For-hire truck 40.7 10.7 28.6 9.9 32.6 13.1 22.5
Private truck 28.5 9.1 27.1 8.6 32.4 9.5 20.4
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 30.7
Parcel, USPS or courier S S S S S S 30.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 30.6 39.5 41.8 33.4
Single modes 30.9 0.7 39.7 0.5 41.9 0.3 S
Truck 30.9 0.7 39.7 0.5 41.9 0.3 S
For-hire truck 37.6 10.2 49.9 11.4 49.2 9.0 12.6
Private truck 38.8 10.4 S S S S 21.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 42.9 0.7 45.8 42.9 26.4
Parcel, USPS or courier 42.9 0.7 45.8 42.9 26.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 39.1 0.5 S S S

SCTG 7, Other prepared foodstuffs and fats and oils

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 17.3 46.9 26.3 19.9
Single modes 16.3 3.6 47.3 0.4 26.8 1.7 S
Truck 16.2 3.8 47.8 1.3 27.2 4.0 S
For-hire truck 26.2 6.5 21.1 10.8 31.4 8.7 11.8
Private truck 25.7 6.6 S S 44.4 7.9 26.8
Rail 42.7 1.5 40.2 1.0 41.2 3.3 23.9
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 35.5 1.5 S
Parcel, USPS or courier S S S S 47.3 0.4 18.9
Truck and rail S S S S 43.6 1.4 24.2
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 8, Alcoholic beverages

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 38.1 46.7 42.3 21.4
Single modes 38.1 46.7 42.3 21.4
Truck 38.1 46.7 42.3 21.4
For-hire truck
Private truck 38.1 46.7 42.3 21.4
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 23.2 23.4 25.1 21.5
Single modes 25.4 8.0 29.3 9.4 32.8 9.0 21.7
Truck 25.4 8.0 29.3 9.4 32.8 9.0 21.7
For-hire truck
Private truck 25.4 8.0 29.3 9.4 32.8 9.0 21.7
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 47.5 8.0 45.1 9.4 S S 30.4

SCTG 10, Monumental or building stone

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S S
Single modes S S S S S S S
Truck S S S S S S S
For-hire truck
Private truck S S S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 11, Natural sands

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S 32.0 47.7 35.6
Single modes S S 34.6 7.0 48.2 1.8 39.7
Truck S S 35.5 8.4 S S 37.5
For-hire truck S S S S S S 16.5
Private truck S S 46.1 14.6 S S 20.7
Rail 35.1 4.7 37.6 1.8 34.9 9.3 25.8
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)
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 33.6

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 13.3 12.9 28.9 12.4
Single modes 14.1 2.1 13.5 2.3 28.0 4.1 12.0
Truck 22.3 8.7 21.5 8.6 31.2 9.8 12.3
For-hire truck 36.2 5.1 29.4 4.3 33.8 4.0 9.5
Private truck 26.7 8.1 28.0 8.0 S S 26.0
Rail S S S S S S 31.6
Water 33.1 8.7 33.6 9.1 33.3 10.3 11.7
Shallow draft
Great Lakes 34.3 9.0 34.9 9.6 34.7 12.3 13.7
Deep draft S S S S S S 30.0
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 23.8
Parcel, USPS or courier
Truck and rail
Truck and water S S S S S S 30.1
Rail and water S S S S S S 26.0
Other Multiple modes
Other and unknown modes S S S S 47.3 0.7 37.0

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 18.9
Single modes S S S S S S 21.7
Truck S S S S 40.9 15.8 20.6
For-hire truck S S 29.5 15.7 29.4 17.1 20.1
Private truck S S S S S S 38.4
Rail S S 46.6 8.8 S S 23.6
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 S S S S S S 37.0
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 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 30.8 28.0 36.0 20.9
Single modes 42.4 8.0 34.4 8.8 47.6 6.5 26.4
Truck S S S S S S 31.1
For-hire truck S S S S S S 31.6
Private truck S S S S S S 29.4
Rail 33.1 7.6 33.0 8.0 44.7 5.0 24.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 39.0 8.3 38.9 9.1 43.4 10.3 21.8
Parcel, USPS or courier
Truck and rail S S S S S S 30.1
Truck and water
Rail and water 39.5 7.3 38.9 8.8 43.9 10.3 18.9
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 31.6

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

SCTG 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 15.6 22.7 18.5 11.4
Single modes 15.7 0.2 22.8 0.2 18.5 11.3
Truck 16.8 8.6 19.1 9.4 19.8 4.6 11.0
For-hire truck 33.6 5.5 34.7 5.5 37.1 6.7 21.8
Private truck 17.6 7.3 19.6 8.2 24.2 5.9 12.2
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 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 20.0 21.7 30.8 16.4
Single modes 20.1 0.5 21.8 0.4 30.9 0.4 16.7
Truck 18.1 6.1 20.8 5.7 37.3 11.1 16.8
For-hire truck 41.1 8.8 47.8 8.9 S S 23.8
Private truck 23.5 9.9 26.5 10.0 44.2 12.5 18.5
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 44.1 49.8 S S 41.0
Single modes 43.9 4.4 S S S S 29.8
Truck 43.9 5.7 S S S S 22.9
For-hire truck S S S S S S S
Private truck 44.6 6.0 S S S S 21.4
Rail S S S S S S 27.8
Water S S S S S S 30.4
Shallow draft
Great Lakes S S S S S S 29.9
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 S
Parcel, USPS or courier S S S S S S S
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 32.8

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 27.3 32.6 41.6 S
Single modes 26.4 0.9 32.6 0.6 35.1 4.0 S
Truck 25.6 3.0 32.8 2.1 28.2 9.5 S
For-hire truck 37.3 9.1 23.7 11.3 38.6 9.6 17.5
Private truck 43.7 9.9 40.0 10.8 38.7 8.9 38.5
Rail S S S S S S 23.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.2
Pipeline S S S
Multiple modes S S S S S S 40.4
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 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 20.7 S S S S 7.4
Single modes 24.7 8.1 S S S S 32.7
Truck 24.4 7.4 S S S S 10.1
For-hire truck 25.1 8.6 S S S S 12.4
Private truck S S S S S S 45.5
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 37.5 1.6 S S S S 21.6
Pipeline S S S
Multiple modes 38.3 8.5 32.9 6.9 S S 12.6
Parcel, USPS or courier 38.4 8.4 33.2 6.5 S S 15.3
Truck and rail S S S S S S 29.9
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 29.7

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 47.5
Single modes S S S S S S 42.4
Truck S S S S S S 42.4
For-hire truck S S S S S S 31.6
Private truck S S S S S S 43.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 23, Chemical products and preparations, nec

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S 27.5 26.0 12.9
Single modes S S 29.4 3.2 27.9 3.8 17.7
Truck S S 32.4 6.2 32.0 6.9 18.0
For-hire truck S S 37.3 9.3 36.5 10.8 10.2
Private truck 37.4 9.8 33.3 8.9 S S 28.7
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 28.6
Pipeline S S S
Multiple modes 40.7 3.7 43.7 1.5 S S 15.8
Parcel, USPS or courier 40.4 3.7 42.9 1.5 40.9 1.3 15.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 37.9 2.1 S S S S 29.9

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 23.2 40.8 S S 12.8
Single modes 26.0 3.6 42.1 1.6 S S 7.5
Truck 26.5 3.4 42.8 2.0 S S 8.8
For-hire truck 32.0 4.5 S S S S 6.8
Private truck 19.2 3.9 21.4 7.0 31.8 3.3 47.9
Rail 35.0 1.1 40.6 1.4 41.0 2.4 19.0
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 24.4
Pipeline S S S
Multiple modes 31.5 2.9 20.9 1.4 23.8 4.1 14.0
Parcel, USPS or courier 33.8 3.0 30.8 1.0 35.0 3.0 14.4
Truck and rail S S S S S S 24.7
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes S S 49.6 0.5 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 30.8
Single modes S S S S S S 32.9
Truck S S S S S S 32.9
For-hire truck S S S S S S 27.0
Private truck S S S S S S 38.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 30.2
Parcel, USPS or courier S S S S S S 30.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 34.5

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 16.7 16.1 15.3 16.4
Single modes 15.8 1.2 16.3 0.7 15.3 1.3 19.3
Truck 16.7 1.6 17.4 2.8 16.7 4.6 20.0
For-hire truck 27.8 6.3 25.8 6.8 20.6 5.9 12.5
Private truck 20.1 6.4 30.0 7.0 31.1 4.2 25.8
Rail 22.3 1.6 25.4 2.7 23.3 5.0 21.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.2
Pipeline S S S
Multiple modes S S S S S S S
Parcel, USPS or courier S S S S S S 41.4
Truck and rail S S S S S S 31.4
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 40.0 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 12.9 9.6 8.0 27.1
Single modes 13.5 2.3 11.0 3.7 8.6 2.8 29.0
Truck 17.2 4.8 16.5 6.6 16.0 6.4 28.1
For-hire truck 20.5 5.0 19.7 6.0 15.9 5.9 10.9
Private truck 27.0 3.3 16.0 2.1 19.6 0.5 10.8
Rail 15.3 4.5 14.6 5.5 15.9 6.1 3.9
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 44.2 2.2 S S S S 22.2
Parcel, USPS or courier 49.9 0.3 36.4 47.3 24.4
Truck and rail S S S S S S 28.1
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 32.7 0.2 39.7 0.2 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 35.6 S S S S 18.7
Single modes 39.2 5.9 S S S S S
Truck 39.2 5.9 S S S S S
For-hire truck 48.1 10.2 S S S S 15.2
Private truck 47.8 6.6 S S 32.2 5.3 21.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.2
Pipeline S S S S S S S
Multiple modes 39.4 5.7 S S S S 11.9
Parcel, USPS or courier 46.4 5.9 47.1 2.6 S S 9.6
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 22.9 21.1 35.1 11.2
Single modes 30.2 8.7 23.4 8.7 36.6 6.1 S
Truck 30.1 8.6 23.3 8.6 36.4 5.9 S
For-hire truck 39.3 7.3 30.0 10.2 37.0 7.8 11.5
Private truck 39.2 8.2 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.8
Pipeline S S S
Multiple modes 31.3 8.8 18.8 1.8 21.1 5.8 6.1
Parcel, USPS or courier 31.3 8.8 18.8 1.8 21.1 5.8 6.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 31.0 1.2 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 S S 34.8 48.7 6.4
Single modes S S S S S S 17.2
Truck S S S S S S 19.0
For-hire truck 17.3 12.1 S S S S 14.5
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) 44.2 0.3 S S S S 19.0
Pipeline S S S
Multiple modes 33.4 11.5 42.5 9.4 41.5 11.0 7.3
Parcel, USPS or courier 33.4 11.5 42.6 9.4 41.8 11.1 7.3
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 21.8 23.3 39.7 39.2
Single modes 22.0 0.8 23.3 0.5 39.8 0.9 S
Truck 22.2 3.1 24.3 9.2 27.0 15.1 S
For-hire truck 37.8 10.0 31.8 12.0 40.5 13.6 12.2
Private truck 28.4 8.9 40.6 11.7 S S 21.9
Rail S S S S S S 20.9
Water S S S S S S 28.1
Shallow draft
Great Lakes S S S S S S 28.1
Deep draft
Air (including truck and air) S S S S S S 31.8
Pipeline S S S
Multiple modes S S S S S S 19.0
Parcel, USPS or courier S S S S S S 18.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S 46.2 0.5 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 18.9 17.2 22.7 18.2
Single modes 21.2 6.7 20.2 7.8 25.8 5.6 22.8
Truck 20.6 6.6 19.6 7.7 21.9 5.6 22.0
For-hire truck 21.5 7.4 22.6 7.8 26.9 6.7 15.6
Private truck 31.0 5.2 25.0 4.6 30.8 5.3 23.3
Rail S S S S S S 35.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.9
Pipeline S S S
Multiple modes 38.8 0.9 28.0 30.5 0.3 15.1
Parcel, USPS or courier 39.4 0.9 31.6 47.8 0.2 15.0
Truck and rail 42.3 43.0 42.9 0.2 25.8
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 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 20.8 24.7 20.1 14.4
Single modes 22.5 3.2 25.1 2.1 20.8 1.6 12.3
Truck 22.5 3.2 25.1 2.1 20.8 1.7 12.3
For-hire truck 31.2 7.3 28.4 7.6 23.0 4.8 5.6
Private truck 26.9 5.7 37.8 8.2 31.2 4.2 12.5
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 36.8 39.5 16.1
Pipeline S S S
Multiple modes 27.7 3.2 27.9 0.3 31.4 1.4 13.2
Parcel, USPS or courier 27.7 3.2 28.5 0.3 35.8 1.2 13.2
Truck and rail
Truck and water S S S S S S 30.2
Rail and water
Other Multiple modes
Other and unknown modes 41.4 1.7 45.6 1.9 32.7 0.4 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 10.0 12.6 17.8 20.5
Single modes 10.9 2.4 12.6 1.6 18.0 3.2 25.6
Truck 11.7 3.2 13.0 3.7 17.8 5.0 22.5
For-hire truck 15.4 4.6 16.8 5.6 19.7 4.8 8.7
Private truck 16.7 3.2 32.4 6.0 42.0 3.5 17.8
Rail 29.0 2.4 29.2 3.7 33.6 5.1 23.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 47.1 0.7 38.7 0.1 36.8 0.3 8.9
Pipeline S S S
Multiple modes 19.0 2.3 35.9 1.7 37.8 3.1 14.2
Parcel, USPS or courier 22.5 2.4 27.3 0.6 43.6 1.8 14.3
Truck and rail S S S S S S 27.5
Truck and water S S S S S S S
Rail and water
Other Multiple modes
Other and unknown modes S S 33.8 0.4 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 26.7 S S S S 19.9
Single modes 41.8 8.9 S S S S 47.0
Truck 41.9 8.9 S S S S 49.3
For-hire truck 49.2 9.1 S S S S 11.8
Private truck 24.0 5.4 31.4 8.5 S S S
Rail S S S S S S 29.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 17.3
Pipeline S S S
Multiple modes 39.0 9.0 48.4 4.7 27.3 7.2 19.0
Parcel, USPS or courier 39.0 9.0 48.4 4.7 27.4 7.2 19.0
Truck and rail S S S S S S 31.8
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 46.5 1.1 47.3 0.8 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 9.6 8.0 14.0 17.3
Single modes 11.6 3.9 7.9 1.6 15.0 4.9 20.0
Truck 13.5 4.7 8.2 1.9 19.6 4.3 17.9
For-hire truck 19.3 6.9 11.4 3.7 20.7 4.5 15.5
Private truck 20.5 3.5 17.7 2.8 14.8 0.7 S
Rail 26.5 2.7 11.8 1.2 13.8 4.3 10.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 34.6 0.2 38.8 0.1 35.1 0.2 4.9
Pipeline S S S
Multiple modes 28.4 3.9 28.1 1.7 29.3 5.0 16.0
Parcel, USPS or courier 31.2 0.2 29.9 32.0 10.8
Truck and rail 29.8 3.9 28.5 1.7 29.5 5.0 13.4
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 30.1 0.5 34.8 0.6 25.3 0.4 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 39.6 S S S S 4.0
Single modes S S S S S S 12.8
Truck S S S S S S 22.7
For-hire truck S S S S S S 22.1
Private truck S S S S S S 34.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 33.5 9.3 36.6 8.4 34.9 10.3 17.8
Pipeline S S S
Multiple modes 46.5 11.5 39.6 14.1 39.2 15.1 12.5
Parcel, USPS or courier 46.5 11.5 39.6 14.1 39.2 15.1 12.5
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 35.3 36.0 S S 34.8
Single modes S S 45.6 15.8 S S 40.9
Truck S S 48.5 15.9 S S S
For-hire truck S S S S S S 34.1
Private truck S S S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 44.2 4.0 S S S S 21.5
Pipeline S S S
Multiple modes 34.1 11.7 24.0 15.9 30.9 18.0 38.4
Parcel, USPS or courier 34.1 11.7 24.0 15.9 30.9 18.0 38.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 32.6

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 31.6 43.8 22.1 18.4
Single modes 23.8 3.7 43.9 3.0 22.2 1.2 13.4
Truck 23.9 3.7 43.9 3.0 22.3 1.3 13.9
For-hire truck 9.5 11.9 25.5 18.1 28.1 10.2 4.0
Private truck S S S S 49.9 10.2 18.3
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 41.2 43.8 0.1 17.6
Pipeline S S S
Multiple modes 22.9 0.2 39.2 0.2 S S 14.9
Parcel, USPS or courier 23.3 0.2 30.7 0.2 32.6 0.2 14.9
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 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 14.5 28.4 20.3 10.5
Single modes 21.7 7.3 29.6 2.5 21.9 3.0 31.6
Truck 21.9 7.4 30.2 3.1 22.2 3.1 33.2
For-hire truck 16.0 4.0 20.8 9.2 18.9 4.5 11.5
Private truck 34.6 6.0 45.9 11.5 44.5 6.3 S
Rail S S S S S S 31.6
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) 39.8 0.2 46.0 43.1 19.0
Pipeline S S S
Multiple modes 25.9 6.6 25.4 2.1 32.7 3.1 10.4
Parcel, USPS or courier 25.7 6.5 25.5 2.0 32.8 2.9 10.4
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 S S S S S S 31.6
Other and unknown modes 40.3 2.5 36.8 0.6 S S 29.0

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 49.3 44.3 43.1 16.0
Single modes 49.9 3.6 44.6 1.5 47.4 10.2 15.9
Truck S S 44.2 6.5 S S 17.0
For-hire truck S S S S S S 15.1
Private truck 46.0 8.3 S S S S 22.1
Rail S S S S S S 30.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 42.7 4.0 42.3 1.5 42.7 10.4 25.9
Parcel, USPS or courier
Truck and rail 42.7 4.0 42.3 1.5 42.7 10.4 25.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.3

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 15.5 21.3 23.6 31.1
Single modes 16.5 2.8 21.4 0.4 23.6 1.1 27.0
Truck 16.5 2.8 21.4 0.4 23.6 1.1 26.2
For-hire truck 37.7 3.0 23.5 4.5 41.8 6.9 19.7
Private truck 17.7 4.4 23.3 4.8 27.0 7.4 26.4
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 28.7
Pipeline S S S
Multiple modes S S 38.5 0.3 S S S
Parcel, USPS or courier S S 48.5 0.3 48.2 0.8 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 S S S S S S 24.9

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 29.8 38.8 39.0 42.2
Single modes 32.4 11.8 40.6 2.5 31.3 9.9 35.2
Truck 36.2 13.4 43.6 6.3 36.5 14.4 32.0
For-hire truck 35.7 13.0 28.8 15.7 40.8 13.5 17.1
Private truck S S S S S S 21.0
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 31.6
Pipeline S S S
Multiple modes S S S S S S 34.4
Parcel, USPS or courier S S S S S S 40.8
Truck and rail S S S S S S 29.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.5

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.