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 13.3 10.4 16.3 14.8
Single modes 13.9 0.9 10.7 0.7 16.5 0.6 17.1
Truck 14.6 2.3 7.8 4.8 25.3 5.9 18.4
For-hire truck 20.1 3.8 9.1 3.4 28.4 6.3 10.5
Private truck 9.2 2.7 9.6 2.6 15.8 1.4 27.3
Rail 13.1 0.5 19.0 2.0 18.2 4.5 5.7
Water 37.9 0.8 42.6 3.1 47.5 4.7 26.1
Shallow draft 32.9 0.4 38.6 1.6 37.4 1.4 30.2
Great Lakes
Deep draft S S S S S S 26.2
Air (including truck and air) S S S S 49.5 12.6
Pipeline 37.6 0.9 36.9 2.9 S S S
Multiple modes 20.9 0.9 23.0 0.2 20.3 0.7 8.3
Parcel, USPS or courier 28.1 0.9 30.3 24.9 8.6
Truck and rail 31.0 0.3 27.9 0.2 23.4 0.7 6.7
Truck and water S S S S S S 29.9
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 25.2 0.4 37.1 0.7 32.9 0.3 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 42.6 42.0 45.2 23.8
Single modes 42.6 42.0 45.2 23.8
Truck 42.6 42.0 45.2 23.8
For-hire truck 42.6 42.0 45.2 23.8
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 42.2 45.6 49.2 23.0
Single modes 42.3 10.5 45.7 10.5 49.2 10.5 25.5
Truck 44.1 10.3 48.7 10.2 48.3 11.2 25.1
For-hire truck S S S S S S S
Private truck S S S S S S 27.4
Rail S S S S S S 31.6
Water S S S S S S 27.9
Shallow draft S S S S S S 27.9
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.2

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 46.0 32.3 39.7 18.0
Single modes 46.1 1.7 32.4 1.8 39.8 2.1 17.9
Truck 47.9 10.3 35.2 9.4 47.0 12.4 20.6
For-hire truck S S 46.8 16.6 48.6 16.8 19.4
Private truck 43.2 17.6 S S S S S
Rail S S S S S S 30.2
Water S S S S S S 27.9
Shallow draft S S S S S S 27.9
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 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 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 30.1
Single modes S S S S S S 30.1
Truck S S S S S S 30.1
For-hire truck
Private truck S S S S S S 30.1
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 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 24.0 29.6 25.7 15.5
Single modes 24.1 0.2 29.7 0.2 25.8 0.2 14.3
Truck 24.1 0.2 29.7 0.2 25.8 0.2 14.3
For-hire truck 23.2 6.4 27.8 6.6 26.0 3.9 14.1
Private truck 33.6 6.4 44.3 6.6 42.4 3.9 20.5
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 31.5
Parcel, USPS or courier S S S S S S 33.9
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 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 41.8 43.8 26.0
Single modes S S 41.7 0.6 45.8 2.2 26.4
Truck S S 41.2 1.6 44.8 1.8 26.5
For-hire truck S S 41.2 1.6 44.8 1.8 26.5
Private truck
Rail S S S S S S 27.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 45.3 0.7 45.3 0.6 46.1 2.2 26.2
Parcel, USPS or courier
Truck and rail 45.3 0.7 45.3 0.6 46.1 2.2 26.2
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 7, Other prepared foodstuffs and fats and oils

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 32.8 29.4 32.7 28.2
Single modes 32.8 0.2 29.4 32.7 28.0
Truck 34.0 3.8 31.3 4.8 37.5 7.7 28.5
For-hire truck 39.9 10.1 44.4 10.3 42.3 10.5 26.9
Private truck 35.2 11.2 36.2 11.8 S S 30.5
Rail 48.8 3.7 48.7 4.8 S S 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 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 27.4 24.4 31.8 18.8
Single modes 27.4 24.4 31.8 18.8
Truck 27.4 24.4 31.8 18.8
For-hire truck 43.5 11.5 43.2 7.0 43.1 15.7 24.2
Private truck 25.7 11.5 24.6 7.0 27.1 15.7 17.7
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 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 31.6
Single modes S S S S S S 31.6
Truck S S S S S S 31.6
For-hire truck
Private truck S S S S S S 31.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 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
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 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 S S S S 22.9
Single modes S S S S S S 19.8
Truck S S S S S S 19.8
For-hire truck 39.3 11.1 37.3 12.0 34.4 11.9 27.3
Private truck S S S S S S 22.0
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 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 45.9 43.9 46.1 22.7
Single modes 48.1 3.4 46.2 3.8 44.5 4.7 23.2
Truck 48.1 3.4 46.2 3.8 44.5 4.7 23.2
For-hire truck S S S S S S 27.0
Private truck S S 47.8 9.9 44.3 9.7 26.5
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 S S S S S S 31.6

SCTG 13, Nonmetallic minerals nec

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 28.6 S S 32.6 37.5
Single modes 29.2 1.2 S S 33.6 1.8 37.1
Truck 29.8 2.6 S S 36.6 4.5 40.8
For-hire truck 36.1 7.3 S S 41.2 5.7 32.8
Private truck S S S S 37.8 2.4 S
Rail 28.3 2.2 28.5 7.2 32.7 5.2 16.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 48.1 1.1 43.8 0.8 41.5 1.8 26.2
Parcel, USPS or courier S S S S S S 31.6
Truck and rail 48.1 1.1 43.8 0.8 41.5 1.8 26.4
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 40.1
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 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
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 19.7 23.5 40.6 47.1
Single modes 20.3 2.0 23.9 2.2 40.9 8.9 46.4
Truck 26.7 14.6 28.0 15.9 S S 46.7
For-hire truck 44.6 13.8 45.7 14.1 S S 30.0
Private truck 28.9 12.6 28.6 12.8 35.5 12.0 22.9
Rail
Water S S 49.0 7.2 S S 26.1
Shallow draft 49.9 1.8 48.1 1.8 S S 26.9
Great Lakes
Deep draft S S S S S S 28.2
Air (including truck and air)
Pipeline 42.8 10.7 43.3 11.5 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 35.1

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 22.5 24.3 49.7 S
Single modes 22.8 1.8 24.6 1.8 49.7 2.3 S
Truck 23.9 11.6 24.4 12.2 S S S
For-hire truck 45.0 11.8 48.1 12.4 S S 29.7
Private truck 39.1 10.1 38.3 9.8 39.4 13.3 35.2
Rail
Water 46.3 9.3 S S S S S
Shallow draft 34.4 8.0 48.9 7.7 S S S
Great Lakes
Deep draft S S S S S S 29.9
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 30.3

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 34.4 38.8 30.4 S
Single modes 34.8 1.2 38.9 0.4 30.4 S
Truck 45.9 10.0 S S S S S
For-hire truck S S S S S S S
Private truck 30.8 11.4 16.5 10.0 35.2 6.2 S
Rail 28.8 6.3 30.1 8.2 37.1 11.1 16.4
Water S S S S S S 28.4
Shallow draft S S S S S S 28.4
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 S S S S S S 31.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.6

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 14.9 32.3 22.4 S
Single modes 15.8 5.6 33.5 4.9 23.8 10.9 S
Truck 33.7 11.9 S S S S S
For-hire truck 42.9 10.2 37.7 9.1 47.6 9.9 14.9
Private truck S S S S S S S
Rail 40.9 6.4 S S 45.8 10.0 21.8
Water 44.2 11.4 S S S S 42.8
Shallow draft 43.9 11.1 S S 42.5 6.9 44.6
Great Lakes
Deep draft S S S S S S 29.9
Air (including truck and air)
Pipeline S S S S S S S
Multiple modes S S S S S S 47.6
Parcel, USPS or courier S S S S S S 42.3
Truck and rail S S S S S S 34.3
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 33.5

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 43.2 S S S S 30.2
Single modes S S S S S S 26.2
Truck S S S S S S 26.2
For-hire truck S S S S S S 28.0
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 31.6
Pipeline S S S
Multiple modes 36.8 13.2 41.5 8.2 S S 28.4
Parcel, USPS or courier 36.8 13.2 41.5 8.2 S S 28.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 45.3 13.4 46.7 14.2 31.9

SCTG 22, Fertilizers

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 38.7 42.8 44.2 30.6
Single modes 38.7 42.8 0.1 44.2 30.6
Truck 46.0 7.3 46.1 8.7 39.1 11.8 36.3
For-hire truck 43.8 10.2 45.6 9.9 46.8 9.7 S
Private truck S S S S 43.2 10.2 S
Rail S S S S S S 26.1
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 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 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 29.0 39.2 43.2 S
Single modes 29.8 13.7 43.4 14.3 46.1 18.0 S
Truck 29.7 13.6 43.4 14.3 46.1 18.0 S
For-hire truck 49.7 13.6 47.5 16.9 47.1 19.6 20.9
Private truck 42.0 11.2 39.2 10.2 S S S
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 S
Parcel, USPS or courier S S 39.9 13.8 38.6 17.9 S
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 27.3

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 22.9 29.9 30.0 17.1
Single modes 22.9 0.7 29.5 0.8 29.3 1.3 15.8
Truck 20.0 4.9 24.9 8.4 16.4 11.7 16.4
For-hire truck 17.9 6.5 22.1 9.2 16.1 11.5 10.7
Private truck 32.2 4.1 38.2 5.1 39.5 5.1 31.1
Rail 39.8 4.5 41.3 7.8 42.9 10.7 18.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 19.5
Parcel, USPS or courier S S 38.2 S S 21.7
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

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 28.0
Single modes S S S S S S 28.0
Truck S S S S S S 28.0
For-hire truck S S S S S S 30.0
Private truck S S S S S S 29.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 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

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 14.6 18.3 25.4 32.8
Single modes 16.4 3.5 18.7 2.7 27.1 5.2 22.2
Truck 17.2 4.9 19.4 5.0 21.1 7.4 21.2
For-hire truck 20.6 6.7 21.5 6.8 18.5 6.4 10.3
Private truck 28.4 8.1 32.4 6.7 43.9 3.8 32.7
Rail 36.4 4.6 S S 46.5 7.5 9.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S S
Parcel, USPS or courier S S S S S S 33.4
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 47.9 3.6 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 10.7 10.7 11.5 S
Single modes 10.4 1.2 10.6 1.4 10.4 3.3 S
Truck 27.4 6.5 20.4 5.7 26.1 6.0 S
For-hire truck 33.6 6.7 21.8 5.8 27.1 6.0 5.3
Private truck S S S S S S S
Rail 10.9 6.4 14.2 5.4 14.0 5.5 4.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.9
Parcel, USPS or courier
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 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 41.3 41.6 27.3 S
Single modes 41.9 14.2 41.9 14.6 27.2 14.2 46.9
Truck 42.0 15.6 41.9 16.0 27.4 16.4 38.4
For-hire truck S S S S 30.3 13.9 23.6
Private truck S S S S 48.0 6.4 S
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
Multiple modes S S S S S S 28.7
Parcel, USPS or courier S S S S S S 28.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 38.1 9.3 46.5 10.0 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 20.6 16.8 17.7 13.1
Single modes 14.7 6.7 17.5 4.0 19.7 5.2 17.6
Truck 14.7 6.7 17.5 4.0 19.7 5.2 17.5
For-hire truck 15.0 6.7 17.7 4.1 19.7 5.2 20.6
Private truck S S S S S S 31.4
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 26.6
Parcel, USPS or courier S S S S S S 28.8
Truck and rail S S S S S S 28.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.6

SCTG 30, Textiles, leather, and articles of textiles or leather

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 49.3 34.2 46.0 9.9
Single modes 49.8 2.4 34.8 2.3 46.5 3.8 10.3
Truck 49.8 2.4 34.8 2.3 46.6 3.8 9.7
For-hire truck S S 39.7 7.7 48.0 5.9 5.7
Private truck 25.8 6.2 48.9 5.7 28.3 3.1 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.4 S S S S 25.9
Pipeline S S S
Multiple modes S S S S 49.4 0.5 7.8
Parcel, USPS or courier S S S S S S 7.8
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 24.6

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 41.4
Single modes S S S S S S S
Truck S S S S S S 44.3
For-hire truck S S S S S S 21.2
Private truck S S S S S S 21.4
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 39.5
Parcel, USPS or courier S S S S S S 31.2
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 30.1

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 S S S S S S 29.5
Single modes S S S S S S 30.1
Truck S S S S S S 30.7
For-hire truck S S S S S S 23.3
Private truck 45.1 13.1 44.8 11.8 S S S
Rail S S S S S S 31.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes S S S S S S 38.9
Parcel, USPS or courier S S S S S S 41.9
Truck and rail S S S S S S 31.1
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 26.1

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 27.6 21.5 27.8 16.1
Single modes 18.4 6.8 21.7 1.6 22.1 4.3 20.0
Truck 18.3 6.9 21.7 1.6 22.1 4.3 20.1
For-hire truck 17.4 9.0 36.3 9.0 21.1 11.2 10.3
Private truck 32.8 6.4 37.9 9.0 48.5 9.9 30.5
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 22.5
Pipeline S S S
Multiple modes S S S S S S 15.5
Parcel, USPS or courier S S S S S S 15.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.0

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 13.4 20.5 22.5 49.7
Single modes 13.7 3.2 21.6 5.1 18.7 8.3 S
Truck 13.8 3.1 21.7 5.0 19.2 8.1 S
For-hire truck 22.8 5.9 29.1 6.9 24.7 9.5 9.1
Private truck 13.9 6.1 19.5 6.9 43.2 7.7 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 28.0
Pipeline S S S
Multiple modes 34.5 3.1 S S S S 28.2
Parcel, USPS or courier 31.7 1.3 S S 45.3 0.6 30.3
Truck and rail S S S S S S 30.1
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S 44.7 0.4 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 S S S S 26.4 S
Single modes S S S S 27.0 1.8 S
Truck S S S S 27.4 2.1 S
For-hire truck S S S S 31.4 15.0 S
Private truck 22.1 10.0 37.4 14.7 44.0 15.1 S
Rail S S S S S S 30.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.6
Pipeline S S S
Multiple modes 45.9 8.6 39.0 2.6 47.9 1.2 32.6
Parcel, USPS or courier 45.7 8.5 40.4 2.6 S S 32.6
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 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 S S 29.4 36.1 21.0
Single modes S S 28.7 3.9 36.5 5.9 22.3
Truck S S 28.2 3.9 36.1 5.9 21.1
For-hire truck S S 39.7 10.6 37.5 9.9 14.1
Private truck 35.4 10.8 46.7 10.1 43.5 9.0 45.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.8
Pipeline S S S
Multiple modes S S S S S S 18.3
Parcel, USPS or courier S S S S S S 18.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 37, Transportation equipment, nec

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 24.9
Single modes S S S S S S 27.0
Truck S S S S S S 26.7
For-hire truck S S S S S S 28.1
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 27.9
Pipeline S S S
Multiple modes S S S S S S 29.8
Parcel, USPS or courier S S S S S S 29.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 39.3 36.1 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 S
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 26.1
Parcel, USPS or courier S S S S S S 26.1
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 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 14.3 20.1 22.4 7.3
Single modes 14.1 1.7 20.0 1.6 22.5 4.3 6.7
Truck 14.1 1.7 20.0 1.7 22.5 4.3 6.7
For-hire truck 18.2 9.1 20.7 9.3 23.2 8.0 5.6
Private truck 39.2 7.9 31.5 8.4 48.0 6.1 20.2
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 34.3
Parcel, USPS or courier 44.7 0.1 S S S S 27.3
Truck and rail S S S S S S 28.1
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 28.0

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 S S 47.6 43.0 20.1
Single modes 36.8 12.5 36.4 10.3 38.7 12.0 26.9
Truck 35.2 12.9 36.2 10.4 38.0 12.1 28.4
For-hire truck 39.9 9.9 40.3 11.8 43.4 14.6 20.1
Private truck 37.2 11.4 46.7 11.0 S S 30.5
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 21.4
Parcel, USPS or courier S S S S S S 21.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.8

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 28.1
Single modes S S S S S S 28.1
Truck S S S S S S 28.1
For-hire truck S S S S S S 29.8
Private truck S S S S S S 31.7
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 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 25.2 22.4 22.5 44.8
Single modes 25.5 1.1 22.4 0.2 22.5 44.0
Truck 25.5 1.1 22.4 0.2 22.5 44.0
For-hire truck 41.9 12.6 35.1 12.4 38.7 11.7 19.1
Private truck 28.2 12.4 30.0 12.4 27.7 11.7 23.6
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 37.6
Parcel, USPS or courier S S S S S S 37.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

Commodity unknown

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 39.7 47.2 S S 35.2
Single modes 42.8 7.8 47.6 2.0 S S 32.4
Truck 44.8 12.1 S S S S 36.6
For-hire truck S S S S S S 22.6
Private truck 46.2 12.0 48.8 10.6 S S 45.8
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 30.5
Pipeline S S S
Multiple modes S S S S S S 37.9
Parcel, USPS or courier S S S S S S 37.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 32.4

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.