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 14.5 14.2 38.1 10.0
Single modes 18.2 3.3 14.5 1.1 36.8 3.9 22.5
Truck 18.8 3.5 14.5 1.1 37.3 4.0 24.0
For-hire truck 31.5 4.1 19.2 4.4 48.1 6.3 12.6
Private truck 11.5 3.6 19.0 5.0 22.9 6.2 14.0
Rail S S S S S S S
Water 49.0 S S S S S
Shallow draft S S S S S S 30.6
Great Lakes
Deep draft S S S S S S S
Air (including truck and air) 19.1 0.5 36.7 S S 11.0
Pipeline S S S
Multiple modes 13.8 3.6 24.6 0.2 32.4 2.7 6.2
Parcel, USPS or courier 13.8 3.6 24.7 0.2 32.5 2.7 6.2
Truck and rail S S S S S S 31.6
Truck and water S S S S S S S
Rail and water
Other Multiple modes S S S S S S 29.8
Other and unknown modes 38.7 1.1 S S S S 39.2

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 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 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
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 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 29.7
Single modes S S S S S S 29.9
Truck S S S S S S 29.9
For-hire truck
Private truck S S S S S S 29.9
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 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 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 29.9
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 S S S S S S 31.9
Parcel, USPS or courier S S S S S S 31.9
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 33.7 S S 44.1 24.7
Single modes 33.7 0.1 S S 44.2 0.4 34.1
Truck 34.9 3.8 S S 45.4 10.1 S
For-hire truck 49.3 13.0 S S 47.8 13.5 23.6
Private truck S S 42.3 10.9 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 31.6
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

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 S S S S 25.2
Single modes S S S S S S 25.2
Truck S S S S S S 25.2
For-hire truck
Private truck S S S S S S 25.2
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 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 37.8 44.3 S S S
Single modes 37.8 0.1 44.3 S S S
Truck 37.8 0.1 44.3 S S S
For-hire truck S S S S S S 33.5
Private truck 46.0 8.2 S S S S 20.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 35.4
Parcel, USPS or courier S S S S S S 31.6
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 31.6

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 43.5 38.3 40.2 23.7
Single modes S S 45.3 9.6 40.9 10.3 23.7
Truck S S 45.3 9.6 40.9 10.3 23.7
For-hire truck S S S S S S 31.6
Private truck S S 45.3 9.6 40.9 10.3 23.7
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 S S S S S S S

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 32.2
Single modes S S S S S S 32.2
Truck S S S S S S 32.2
For-hire truck
Private truck S S S S S S 32.2
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 27.5 17.9 33.9 31.8
Single modes 27.4 0.3 18.1 1.0 34.3 1.2 31.5
Truck 27.4 0.3 18.1 1.0 34.3 1.2 31.5
For-hire truck 38.0 7.9 37.0 6.8 S S 43.6
Private truck 20.6 8.0 22.9 6.6 36.4 8.1 24.3
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 49.0

SCTG 12, Gravel and crushed stone

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 30.2 28.1 22.7 11.5
Single modes 30.8 4.0 28.4 4.4 22.6 1.3 15.0
Truck 30.8 4.0 28.4 4.4 22.6 1.3 15.0
For-hire truck S S S S S S 27.9
Private truck 30.8 4.9 27.8 5.2 21.8 3.8 15.2
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 29.8

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 44.4
Truck S S S S S S 44.4
For-hire truck
Private truck S S S S S S 44.4
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 31.1

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
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 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 36.5 34.8 35.3 19.5
Single modes 36.5 34.8 35.3 19.5
Truck 36.5 34.8 35.3 19.5
For-hire truck 36.0 11.7 33.7 11.9 34.4 11.7 19.4
Private truck 40.8 11.7 40.5 11.9 39.6 11.7 21.1
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

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 S S S S 48.1 42.7
Single modes S S S S 48.1 42.7
Truck S S S S 48.1 42.7
For-hire truck 38.1 8.3 41.7 8.0 S S 26.4
Private truck S S S S S S 45.7
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 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 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 31.6
Private truck S S S S S S 28.6
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 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 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 39.1 S S S S S
Single modes 21.6 8.6 S S S S S
Truck 21.6 8.6 S S S S S
For-hire truck 38.1 14.0 S S S S 19.1
Private truck 40.8 13.1 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 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 49.6 2.2 S S 46.7

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 44.1 S S S S 31.4
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 36.9
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 S S S S S S 27.8
Parcel, USPS or courier S S S S S S 27.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 42.7

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 36.5
Single modes S S S S S S 30.9
Truck S S S S S S 30.9
For-hire truck S S S S S S 44.3
Private truck S S S S S S 30.3
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 31.0 34.9 40.1 30.7
Single modes 33.7 7.0 36.0 2.6 40.6 2.6 23.5
Truck 33.7 7.0 36.0 2.6 40.6 2.6 23.5
For-hire truck 34.9 6.9 39.1 8.8 39.8 9.4 26.6
Private truck 34.7 8.2 36.0 9.0 S S 22.2
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 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 26.9

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 21.9 25.0 30.4 14.6
Single modes 10.8 8.2 26.0 2.1 32.3 2.7 20.2
Truck 10.9 8.2 26.0 2.2 32.4 2.8 20.8
For-hire truck 8.3 7.4 28.5 8.0 34.3 3.3 14.1
Private truck 36.4 6.6 45.6 9.4 32.1 2.6 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 32.8 0.1 44.7 0.1 45.0 0.2 23.5
Pipeline S S S
Multiple modes S S 31.1 2.0 34.5 2.7 12.3
Parcel, USPS or courier S S 31.2 2.0 34.5 2.7 12.4
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 30.4 0.1 38.0 0.2 37.9 37.1

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 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 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 35.2 S S S S S
Single modes 37.9 6.6 S S S S S
Truck 37.9 6.6 S S S S S
For-hire truck 43.7 8.7 39.3 9.1 36.3 9.6 30.5
Private truck 40.7 11.8 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 41.0 1.1 48.6
Parcel, USPS or courier S S S S 41.0 1.1 48.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 S S S S S S 21.7
Single modes S S S S S S 22.0
Truck S S S S S S 22.0
For-hire truck S S S S S S 22.3
Private truck S S S S S S 30.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 42.4 10.2 39.0 10.4 S S 25.0
Parcel, USPS or courier 45.8 10.1 38.5 10.4 44.0 10.4 24.6
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 36.4

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 40.6 S S 28.5 36.8
Single modes 43.7 3.7 S S 31.7 7.4 S
Truck 45.2 5.0 S S 32.6 8.1 S
For-hire truck 28.4 11.8 32.3 13.6 22.5 11.1 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 40.9
Pipeline S S S
Multiple modes S S S S S S 23.4
Parcel, USPS or courier S S S S S S 23.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.1

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 29.9 37.3 S S 31.5
Single modes 44.8 12.0 41.0 13.2 S S S
Truck 44.9 12.1 41.0 13.2 S S S
For-hire truck S S S S S S S
Private truck 49.0 12.4 S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.2
Pipeline S S S
Multiple modes 43.7 11.0 S S S S 21.7
Parcel, USPS or courier 43.6 11.0 S S S S 21.7
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 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 12.4 28.3 29.5 4.8
Single modes 18.4 4.9 32.8 6.2 36.4 7.5 13.1
Truck 18.7 5.0 33.1 6.3 36.7 7.2 12.8
For-hire truck 22.9 5.7 36.7 7.6 41.5 9.1 10.5
Private truck 34.9 4.2 37.2 3.7 S S 28.4
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 38.9 0.7 S S S S 24.0
Pipeline S S S
Multiple modes 15.3 4.0 20.7 4.7 29.0 6.0 4.8
Parcel, USPS or courier 15.3 4.0 20.7 4.7 29.0 6.0 4.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 42.5 2.6 40.1 2.4 25.9

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 31.6 S S S S 21.3
Single modes 33.8 13.7 S S S S S
Truck 33.8 13.7 S S S S S
For-hire truck 48.5 10.4 S S S S 25.0
Private truck 40.9 11.2 S S S S 27.6
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 20.1
Parcel, USPS or courier S S S S S S 20.1
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 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 10.1 28.4 16.6 24.6
Single modes 10.6 1.8 29.4 3.1 19.0 6.9 18.4
Truck 10.6 1.8 29.4 3.1 19.1 6.8 19.1
For-hire truck 12.0 5.9 21.1 9.6 25.4 7.7 14.0
Private truck 27.7 6.5 39.2 9.2 26.4 5.8 48.3
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 40.5 S S S S 25.0
Pipeline S S S
Multiple modes 34.3 1.6 33.6 0.8 41.6 2.0 21.4
Parcel, USPS or courier 34.3 1.6 33.6 0.8 41.6 2.0 21.4
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 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 21.1 S S 38.8 26.3
Single modes 28.5 9.0 S S 41.9 8.5 44.0
Truck 28.8 9.1 S S 42.0 8.5 26.6
For-hire truck 33.5 8.7 42.8 9.5 42.3 11.6 24.8
Private truck 41.6 10.7 S S S S 17.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 34.2
Pipeline S S S
Multiple modes 44.7 9.4 31.7 6.3 36.4 8.5 16.8
Parcel, USPS or courier 44.7 9.4 31.7 6.3 36.4 8.5 16.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 47.1 3.7 44.5 2.8 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 S S S S S S 19.1
Single modes S S S S S S 24.5
Truck S S S S S S 25.5
For-hire truck S S S S S S 23.0
Private truck 41.0 10.0 43.5 15.1 S S 33.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.4
Pipeline S S S
Multiple modes 33.5 13.3 32.5 5.7 S S 18.2
Parcel, USPS or courier 33.5 13.3 32.5 5.7 S S 18.2
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 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 22.7 47.7 41.2 9.6
Single modes 32.0 7.3 47.1 5.8 49.8 7.7 12.4
Truck 36.6 6.8 48.3 7.2 S S 19.0
For-hire truck 39.1 6.3 S S S S 20.9
Private truck 33.0 4.3 S S S S 26.4
Rail
Water S S S S S S 32.5
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) 34.2 2.9 38.6 2.0 45.4 4.4 13.1
Pipeline S S S
Multiple modes 19.3 6.3 S S S S 11.4
Parcel, USPS or courier 19.3 6.3 S S S S 11.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 42.7 3.8 28.6 4.3 29.8 5.8 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 29.2 S S 47.3 42.9
Single modes 36.5 11.7 S S S S S
Truck 36.6 11.8 S S S S S
For-hire truck S S S S S S 31.6
Private truck 36.9 11.9 S S S S 42.3
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 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 29.8

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 40.3 40.4 S S 23.4
Single modes 41.8 15.5 40.8 17.1 S S 27.9
Truck 41.8 15.5 40.8 17.1 S S 27.9
For-hire truck 42.2 18.4 S S S S 28.1
Private truck S S S S S S 29.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 41.2 16.7 S S S S 29.8
Parcel, USPS or courier 41.2 16.7 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 32.3

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 33.1 34.7 32.3 16.5
Single modes 27.3 7.0 28.9 5.5 25.8 8.4 S
Truck 27.1 7.4 29.6 5.7 25.9 8.4 S
For-hire truck 32.7 8.9 30.4 10.9 28.3 10.8 29.7
Private truck 46.0 7.5 48.7 9.9 36.6 9.3 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 36.2
Pipeline S S S
Multiple modes 45.5 6.4 S S S S 13.5
Parcel, USPS or courier 45.5 6.4 S S S S 13.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 42.2

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 S S S S 45.9 40.9
Single modes S S S S S S 49.0
Truck S S S S S S 49.0
For-hire truck S S S S S S 31.8
Private truck S S S S S S 34.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S S
Parcel, USPS or courier S S S S S S S
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 11.5 30.0 21.3 3.9
Single modes 21.3 7.4 43.0 10.5 36.8 12.2 22.9
Truck 21.8 6.9 43.1 10.5 36.8 12.3 26.2
For-hire truck 24.2 4.7 42.1 10.4 39.6 12.0 14.0
Private truck 45.7 5.6 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) S S 50.0 0.1 46.6 0.2 22.7
Pipeline S S S
Multiple modes 19.4 6.8 42.6 8.0 34.8 9.6 6.6
Parcel, USPS or courier 19.4 6.8 42.6 8.0 34.8 9.6 6.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 45.8 2.3 S S S S 25.1

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 S
Single modes S S S S S S 29.2
Truck S S S S S S 29.2
For-hire truck S S S S S S 31.5
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 S S S S S S 31.6

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 20.1 32.3 43.6 24.8
Single modes 23.0 4.8 33.6 2.6 47.0 6.7 S
Truck 22.9 5.1 33.6 2.8 47.4 7.0 S
For-hire truck 28.0 5.7 45.4 10.6 S S 18.5
Private truck 31.6 8.5 S S S S S
Rail
Water S S S S S S 31.6
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 32.7
Pipeline S S S
Multiple modes S S 49.6 2.5 S S 17.1
Parcel, USPS or courier S S 49.6 2.5 S S 16.2
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 37.9 1.0 39.6 1.1 S S 24.4

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 46.2 21.8
Single modes S S S S S S 39.9
Truck S S S S S S 39.9
For-hire truck S S S S S S 36.9
Private truck S S S S S S 32.9
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 25.1
Parcel, USPS or courier S S S S S S 25.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.2

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.