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 21.2 15.7 4.5
Single modes 6.3 3.0 22.5 2.9 10.6 5.8 15.7
Truck 7.9 3.4 23.6 4.2 11.1 6.0 19.1
For-hire truck 7.7 1.9 23.6 6.0 15.2 5.5 10.9
Private truck 12.6 2.6 29.8 7.1 16.2 4.0 14.3
Rail S S S S S S 33.1
Water S S S S S S 28.8
Shallow draft
Great Lakes
Deep draft S S S S S S 28.8
Air (including truck and air) 23.9 1.4 18.2 22.9 7.9
Pipeline S S S S S S S
Multiple modes 13.2 2.6 14.1 0.2 15.7 0.5 5.5
Parcel, USPS or courier 13.3 2.6 15.1 0.2 18.0 0.5 5.5
Truck and rail S S S S S S 29.8
Truck and water 48.0 S S S S S
Rail and water
Other Multiple modes
Other and unknown modes 24.8 0.7 S S S S 32.3

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
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 29.8
Single modes S S S S S S 29.8
Truck S S S S S S 29.8
For-hire truck
Private truck S S S S S S 29.8
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 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 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 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
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 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 33.1 38.2 33.1 S
Single modes 33.1 38.2 33.1 S
Truck 33.1 38.2 33.1 S
For-hire truck 34.5 11.5 30.0 11.7 34.4 12.3 20.9
Private truck 38.6 11.5 S S 36.8 12.3 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 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 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 43.0 S S S
Single modes S S 43.0 S S S
Truck S S 43.0 S S S
For-hire truck
Private truck S S 43.0 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 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 18.2 24.9 23.8 42.0
Single modes 18.0 0.6 24.9 23.7 0.1 S
Truck 18.0 0.6 24.9 23.7 0.1 S
For-hire truck 22.6 7.2 31.8 7.4 19.0 8.6 20.0
Private truck 17.2 7.2 23.3 7.4 41.9 8.6 15.4
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 27.7
Parcel, USPS or courier S S 49.9 S S 28.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 8, Alcoholic beverages

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 23.0 23.4 S S S
Single modes 23.0 23.4 S S S
Truck 23.0 23.4 S S S
For-hire truck 38.5 15.5 36.7 16.2 S S 29.3
Private truck 44.9 15.5 46.5 16.2 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 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
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 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 28.0
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 30.3
Private truck S S S S S S 29.4
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 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 S S 34.8 S S 27.4
Single modes S S 25.4 9.5 S S 19.9
Truck S S 19.4 14.7 S S 18.1
For-hire truck S S 47.3 1.8 S S 28.3
Private truck S S 20.8 15.1 S S 16.0
Rail S S S S S S 29.8
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 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 S S S S S S 13.4
Single modes S S S S S S 13.0
Truck S S S S S S 13.0
For-hire truck S S S S S S 23.9
Private truck S S S S S S 13.4
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 S S S S S S 27.9

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
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 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 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 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 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 31.6
Private truck S S S S S S 26.0
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

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 37.0 40.9 S S 19.6
Single modes 37.0 40.9 S S 19.6
Truck 37.0 40.9 S S 19.6
For-hire truck S S S S S S 27.8
Private truck 42.1 10.2 43.7 11.1 45.4 13.5 20.4
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 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 S S S S 29.0
Single modes S S 36.8 13.7 S S 32.4
Truck S S 36.8 13.7 S S 32.4
For-hire truck S S S S S S 31.1
Private truck S S 38.1 19.1 S S 22.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.7
Parcel, USPS or courier S S S S S S 29.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.5

SCTG 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 36.5 S S S S S
Single modes 37.6 10.2 S S S S S
Truck 37.6 10.2 S S S S S
For-hire truck S S S S S S 36.5
Private truck S S S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 29.3
Parcel, USPS or courier S S S S S S 29.3
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 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 S S S S S S 26.8
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 S S S S S S 26.8
Parcel, USPS or courier S S S S S S 26.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 26.7
Single modes S S S S S S 26.7
Truck S S S S S S 26.7
For-hire truck S S S S S S 25.0
Private truck S S S S S S 30.7
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 27.1 38.0 20.5 S
Single modes 25.4 12.9 42.6 13.7 21.6 12.3 37.7
Truck 25.3 12.9 42.6 13.7 21.6 12.3 38.3
For-hire truck 22.1 10.6 20.6 12.2 23.3 11.3 15.6
Private truck 48.4 8.8 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes S S S S 46.4 12.3 S
Parcel, USPS or courier S S S S 46.4 12.3 S
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 15.7 12.1 12.7 12.6
Single modes 13.2 4.6 11.8 1.0 11.9 1.2 27.9
Truck 13.7 4.7 11.9 1.0 12.1 1.3 32.0
For-hire truck 14.2 6.1 19.8 8.4 14.4 3.6 13.9
Private truck 31.3 4.2 31.4 8.5 26.3 4.0 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 39.1 1.3 33.3 0.2 29.9 0.4 21.1
Pipeline S S S
Multiple modes 27.0 4.0 32.1 0.8 26.3 1.3 8.6
Parcel, USPS or courier 27.0 4.0 32.1 0.8 26.3 1.3 8.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 49.2 1.1 37.8 0.6 41.1 0.3 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 36.6 S S 45.2
Single modes S S 44.9 10.5 S S S
Truck S S 44.9 10.5 S S S
For-hire truck S S S S S S 39.9
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 S S S S S S 31.6

SCTG 26, Wood products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 22.0 29.6 27.1 31.5
Single modes 22.5 1.2 30.0 2.3 27.0 1.3 22.9
Truck 22.9 1.7 30.5 2.6 27.3 1.6 22.9
For-hire truck 21.5 8.1 39.4 8.7 30.8 4.1 24.8
Private truck 40.1 8.2 35.4 8.3 30.1 4.1 36.9
Rail
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 46.1 0.2 S S S S 29.5
Parcel, USPS or courier S S S S S S 28.5
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 46.0 2.3 44.9 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 33.5 31.7 S
Single modes 32.9 10.2 34.0 12.0 31.8 10.5 S
Truck 33.1 10.2 34.0 12.1 31.9 10.5 S
For-hire truck 31.2 10.4 31.8 11.8 32.5 11.0 16.8
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 29.8
Pipeline S S S
Multiple modes S S 33.2 10.5 44.2 10.5 21.5
Parcel, USPS or courier S S 33.2 10.5 44.2 10.5 21.5
Truck and rail
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 39.6 S S S S S
Single modes 41.9 10.7 S S S S S
Truck 41.9 10.7 S S S S S
For-hire truck S S S S S S 33.4
Private truck S S S S S S 29.0
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 39.5 10.8 41.4 10.6 45.2 11.8 S
Parcel, USPS or courier 39.5 10.8 41.4 10.6 45.2 11.8 S
Truck and rail
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 28.5 38.1 35.2 S
Single modes 27.5 10.1 35.3 11.4 34.1 12.4 31.2
Truck 27.1 10.1 35.4 11.4 34.2 12.3 30.3
For-hire truck 37.0 8.9 37.5 12.7 36.0 14.0 21.0
Private truck 47.5 11.6 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 42.6 10.7 S S 41.8 13.0 49.1
Parcel, USPS or courier 42.6 10.7 S S 41.9 13.0 49.1
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 41.0

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 13.9 15.5 18.1 4.1
Single modes 26.0 7.2 21.8 7.1 26.1 9.9 15.2
Truck 26.2 7.2 21.9 7.1 26.1 9.9 15.0
For-hire truck 32.6 7.7 27.7 8.3 29.6 9.9 11.4
Private truck S S S S S S S
Rail
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 S
Pipeline S S S S S S S
Multiple modes 13.6 7.3 12.9 7.1 17.1 10.3 3.6
Parcel, USPS or courier 13.6 7.3 12.9 7.1 17.1 10.3 3.6
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 45.0 0.6 45.2 1.7 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 38.2 47.4 S S 47.2
Single modes 38.7 4.7 47.6 8.9 S S S
Truck 38.7 4.7 47.7 8.9 S S S
For-hire truck S S S S S S 21.3
Private truck 46.6 10.8 S S 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 32.0
Pipeline S S S
Multiple modes 43.7 1.2 42.7 43.7 19.6
Parcel, USPS or courier 43.7 1.2 42.7 43.7 19.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 37.8 8.9 47.8 10.9 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 17.9 23.0 19.3 18.5
Single modes 17.4 9.3 23.4 1.4 20.8 4.3 22.8
Truck 18.4 10.3 23.4 1.5 21.0 4.7 18.9
For-hire truck 28.7 7.1 39.5 8.0 31.3 10.6 21.3
Private truck 14.8 6.4 23.4 8.4 21.6 8.3 49.5
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 26.6
Pipeline S S S
Multiple modes S S 37.8 1.4 38.2 4.2 26.9
Parcel, USPS or courier S S 38.5 1.4 40.0 4.2 26.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 33.1 42.6 33.6 32.4
Single modes 35.7 5.2 43.7 3.7 34.8 4.5 31.0
Truck 36.0 5.7 43.7 3.7 34.9 4.6 30.6
For-hire truck 36.5 6.3 46.3 10.3 33.6 7.2 7.5
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 29.8
Pipeline S S S
Multiple modes 22.2 5.5 45.2 3.8 24.3 4.6 21.7
Parcel, USPS or courier 22.2 5.5 45.2 3.8 24.3 4.6 21.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 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 7.8 41.9 S S 12.5
Single modes 13.5 7.0 46.0 7.9 S S 20.8
Truck 15.8 6.9 46.6 8.2 S S 25.1
For-hire truck 15.8 6.8 47.7 8.2 S S 10.5
Private truck 41.8 3.7 43.6 3.4 32.3 2.1 S
Rail
Water S S S S S S 29.8
Shallow draft
Great Lakes
Deep draft S S S S S S 29.8
Air (including truck and air) 35.2 2.5 48.8 0.4 S S 10.7
Pipeline S S S
Multiple modes 24.0 7.6 19.1 5.8 25.9 6.5 10.3
Parcel, USPS or courier 24.0 7.6 18.7 5.8 25.8 6.5 10.3
Truck and rail
Truck and water S S S S S S 30.3
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 16.7 44.7 S S 7.0
Single modes 12.4 6.1 17.7 13.5 24.2 16.2 9.1
Truck 16.8 4.3 18.9 13.3 25.0 15.8 12.9
For-hire truck 16.7 3.7 22.1 11.3 30.6 14.1 10.6
Private truck S S S S S S 33.5
Rail
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) 33.3 5.6 41.5 0.7 48.1 0.8 10.2
Pipeline S S S
Multiple modes 23.6 5.5 41.5 4.8 44.8 5.6 7.2
Parcel, USPS or courier 23.8 5.5 42.0 4.9 46.4 5.6 7.2
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 24.8

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 22.0 22.7 29.7 31.0
Single modes 22.6 2.3 23.2 2.3 30.1 1.3 36.4
Truck 22.6 2.3 23.2 2.3 30.1 1.3 37.0
For-hire truck 29.4 11.6 32.3 13.0 33.4 13.5 16.1
Private truck 31.2 12.2 39.3 13.7 36.5 13.7 14.5
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 30.8 0.4 42.5 0.1 S S 21.5
Parcel, USPS or courier 30.8 0.4 42.5 0.1 S S 21.5
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 23.7 36.5 S S 20.7
Single modes 30.2 11.9 22.8 11.8 36.9 15.3 48.8
Truck 32.6 11.4 25.0 10.5 49.1 9.2 32.8
For-hire truck 33.0 11.5 33.5 9.6 S S S
Private truck 45.9 5.4 36.2 9.5 40.4 9.5 17.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 32.5 3.1 35.3 11.2 19.7
Pipeline S S S
Multiple modes 45.7 11.9 S S S S 18.2
Parcel, USPS or courier 45.7 11.9 S S S S 18.2
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 26.4 S S 49.4 12.9
Single modes 39.4 11.7 S S S S 14.3
Truck S S S S S S 24.8
For-hire truck S S S S S S 26.0
Private truck S S S S S S 39.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.1 8.6 49.7 5.4 S S 15.0
Pipeline S S S
Multiple modes 35.1 11.7 35.0 15.9 37.5 15.8 14.5
Parcel, USPS or courier 35.1 11.7 35.0 15.9 37.5 15.8 14.5
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 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 41.5 S S S S 30.5
Single modes 42.5 10.5 S S S S S
Truck 42.5 10.5 S S S S S
For-hire truck S S S S S S 36.6
Private truck S S 46.1 14.8 48.7 16.5 42.6
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 29.2
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes

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 24.1 17.3 22.2 12.5
Single modes 33.2 6.5 20.1 8.4 30.6 9.3 25.2
Truck 33.2 6.5 20.1 8.4 30.5 9.3 25.3
For-hire truck 49.4 8.6 37.8 9.0 34.6 9.6 23.3
Private truck 28.9 7.0 26.1 10.2 46.0 7.5 35.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.0
Pipeline S S S
Multiple modes 13.4 6.7 31.4 6.9 15.3 4.4 11.5
Parcel, USPS or courier 13.4 6.7 31.4 6.9 15.3 4.4 11.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 48.6 2.3 47.7 6.3 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 40.8 S S 31.7
Single modes S S 40.8 S S 31.7
Truck S S 40.8 S S 31.7
For-hire truck S S S S S S 31.2
Private truck S S 37.4 8.5 38.5 17.5 30.9
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 38.7 37.4 33.9 27.8
Single modes 43.5 7.5 39.1 4.3 38.1 9.4 33.9
Truck 43.8 7.6 39.0 4.3 38.0 9.3 34.1
For-hire truck S S 43.7 4.8 42.4 8.7 27.7
Private truck 47.8 11.4 40.4 7.3 49.1 12.0 20.0
Rail
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 38.8 9.7 31.8 4.7 49.4 10.6 17.5
Parcel, USPS or courier 38.8 9.7 31.8 4.7 49.4 10.6 17.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 45.1 4.1 47.3 3.7 45.6 3.6 28.6

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 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 27.8
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 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

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.