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 15.1 16.3 15.9 12.0
Single modes 17.7 2.1 17.0 1.6 17.4 2.3 20.0
Truck 16.3 1.8 20.4 4.4 9.7 4.2 15.0
For-hire truck 26.7 3.5 12.9 5.4 10.5 3.7 12.6
Private truck 10.0 3.4 29.7 6.6 16.2 1.2 17.6
Rail 15.4 0.9 23.2 4.0 28.6 5.7 9.6
Water S S 38.9 0.5 32.2 0.2 47.0
Shallow draft S S 39.1 0.5 35.6 0.2 33.0
Great Lakes
Deep draft S S S S S S 28.0
Air (including truck and air) 46.5 1.6 S S S S 7.4
Pipeline 38.1 44.0 S S S
Multiple modes 9.3 1.6 21.0 0.5 25.0 2.4 8.4
Parcel, USPS or courier 9.2 1.4 20.2 32.0 0.4 8.4
Truck and rail 24.0 0.2 18.6 0.2 23.6 1.0 15.4
Truck and water 36.5 0.2 S S S S 3.6
Rail and water S S S S S S 29.8
Other Multiple modes S S S S S S 30.2
Other and unknown modes 29.2 1.4 41.7 1.5 25.3 0.4 S

SCTG 1, Live animals and live fish

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 31.7
Single modes S S S S S S 31.7
Truck S S S S S S 31.7
For-hire truck
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 S S S S S S 31.6

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 38.2 22.1
Single modes S S S S 38.2 22.1
Truck
For-hire truck
Private truck
Rail S S S S S S 31.6
Water 42.4 11.0 38.1 11.7 36.0 3.8 21.3
Shallow draft 42.4 11.0 38.1 11.7 36.0 3.8 21.3
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 27.7 19.4 38.6 21.6
Single modes 24.6 9.8 24.3 7.2 47.4 12.0 S
Truck 23.5 9.5 21.6 6.5 42.7 10.6 S
For-hire truck 34.1 10.2 31.2 11.0 44.0 10.3 19.6
Private truck 34.0 8.7 34.5 7.0 38.1 2.3 S
Rail S S S S S S 25.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S 48.0 5.1 S S 17.2
Parcel, USPS or courier S S S S S S 20.1
Truck and rail S S S S S S 28.9
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S S

SCTG 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 24.9 29.2 30.0 31.3
Single modes 27.5 4.0 31.3 4.3 35.3 9.0 31.2
Truck 28.7 5.6 32.5 5.7 36.7 9.3 31.2
For-hire truck 35.2 9.8 39.0 10.7 43.2 11.1 19.5
Private truck S S S S S S 37.9
Rail S S S S S S 32.5
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S 38.0 8.9 34.8
Parcel, USPS or courier S S S S S S 31.6
Truck and rail S S S S S S 31.6
Truck and water S S 35.5 1.7 37.9 8.0 24.4
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 30.8

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 32.5 32.0 22.1
Single modes 33.0 3.1 31.0 1.5 33.6 5.5 S
Truck 35.3 6.8 31.3 2.0 36.0 9.0 S
For-hire truck 34.0 10.9 28.8 11.9 35.5 11.1 18.5
Private truck 38.7 10.9 36.2 11.3 44.1 9.9 34.9
Rail
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 S S 47.2 1.0 45.4 4.1 24.9
Parcel, USPS or courier S S S S S S 28.4
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 28.1
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 45.1

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 25.7 42.1 39.7 S
Single modes 27.9 6.4 44.6 5.6 22.8 14.3 S
Truck 27.9 6.4 44.6 5.6 22.8 14.3 S
For-hire truck 36.0 7.9 S S 39.1 11.6 S
Private truck 36.5 12.8 S S 42.7 16.2 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 27.2
Parcel, USPS or courier S S S S S S 29.1
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 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 10.7 11.1 23.8 27.1
Single modes 11.1 2.0 12.5 3.1 26.3 4.7 S
Truck 11.1 2.0 13.1 3.5 29.9 6.7 S
For-hire truck 26.0 9.3 23.2 9.9 32.8 8.2 20.6
Private truck 22.1 9.0 25.6 8.6 29.7 5.6 S
Rail 23.2 1.0 25.0 1.2 22.7 4.4 14.3
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 46.9 1.8 S S S S 15.7
Parcel, USPS or courier S S S S S S 24.5
Truck and rail S S S S S S 30.3
Truck and water S S S S S S 30.0
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 S S 49.5 S S S
Single modes S S 49.6 0.7 S S S
Truck S S 49.6 0.7 S S S
For-hire truck S S S S S S 31.8
Private truck S S S S S S 25.0
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 29.8
Parcel, USPS or courier S S S S S S 29.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes

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 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 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 46.0 S S 33.5
Single modes S S 41.2 4.0 S S 35.6
Truck S S 41.2 4.0 S S 35.6
For-hire truck S S S S S S 31.5
Private truck 33.0 19.3 47.1 11.2 S S 26.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 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 41.8 41.0 28.6 31.5
Single modes 41.6 0.3 40.7 0.3 28.2 1.0 32.3
Truck 43.9 3.4 42.7 3.4 33.8 6.5 32.4
For-hire truck 23.6 8.8 25.5 8.6 16.9 6.8 S
Private truck S S S S 45.7 8.7 S
Rail 42.7 2.4 41.1 2.3 46.8 5.6 28.1
Water 47.8 1.1 44.4 1.3 45.2 1.1 25.9
Shallow draft 47.8 1.1 44.4 1.3 45.2 1.1 25.9
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 38.1
Parcel, USPS or courier
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 30.1
Other and unknown modes S S S S S S 40.0

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 43.0
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 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 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 29.9
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 36.6 34.0 38.9 23.2
Single modes 36.6 34.0 38.9 23.2
Truck 36.6 34.0 38.9 23.2
For-hire truck S S S S S S 40.7
Private truck 39.3 8.2 38.7 7.9 39.1 9.4 24.0
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 34.4 33.0 33.0 27.7
Single modes 34.4 33.0 33.0 27.7
Truck 34.5 1.0 33.2 1.3 33.1 0.3 27.7
For-hire truck S S S S 47.0 3.0 32.2
Private truck 38.0 6.0 38.1 6.6 32.0 2.9 29.6
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

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 27.7 38.0 34.3 S
Single modes 27.4 1.0 38.2 0.6 36.9 5.5 S
Truck 30.4 5.1 39.6 4.4 45.9 10.5 S
For-hire truck 41.5 13.1 45.2 14.1 49.7 13.0 S
Private truck S S S S S S 36.8
Rail S S 49.0 4.0 S S 26.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 29.8
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water S S S S S S 29.9
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.5

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 42.1 S S S S 29.2
Single modes 36.7 9.9 S S S S 30.9
Truck 36.1 15.1 S S S S S
For-hire truck S S S S S S 30.0
Private truck 45.7 14.4 S S S S 43.1
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 S S S S
Multiple modes S S S S S S 29.6
Parcel, USPS or courier S S S S S S 29.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 21.5
Single modes S S S S S S 28.4
Truck S S S S S S 30.6
For-hire truck S S S S S S 29.1
Private truck S S S S S S 29.6
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 21.6 19.1 S S S S 22.8
Parcel, USPS or courier 21.9 18.6 S S S S 23.2
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 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 32.6 39.4 46.2 25.5
Single modes 32.6 0.1 39.4 46.1 26.3
Truck 32.6 0.1 39.4 46.1 26.3
For-hire truck 33.4 13.7 44.1 14.9 48.7 13.4 26.8
Private truck S S S S S S 22.5
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 31.2
Parcel, USPS or courier S S S S S S 31.2
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 33.9 S S S S 26.9
Single modes 38.1 11.7 S S S S 22.5
Truck 38.1 11.6 S S S S 22.4
For-hire truck 42.7 11.3 S S S S 14.4
Private truck 42.8 8.3 49.6 8.1 S S 38.6
Rail S S S S S S 31.6
Water S S S S S S 31.6
Shallow draft
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 23.8
Parcel, USPS or courier S S S S S S 25.3
Truck and rail
Truck and water S S S S S S 29.8
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 26.1 31.3 30.5 25.6
Single modes 27.4 3.5 32.2 2.2 28.5 7.4 31.0
Truck 27.7 3.4 32.2 2.2 28.5 7.4 37.1
For-hire truck 28.2 10.9 44.3 9.7 33.8 10.8 S
Private truck 36.6 9.2 34.9 9.3 38.5 7.6 30.6
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 26.9
Pipeline S S S
Multiple modes 37.4 2.6 S S S S 27.6
Parcel, USPS or courier 44.9 2.8 39.8 1.2 46.2 7.9 28.1
Truck and rail S S S S S S 26.2
Truck and water S S S S S S 27.9
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 32.7
Single modes S S S S S S 32.7
Truck S S S S S S 32.7
For-hire truck S S S S S S 31.4
Private truck S S S S S S 32.5
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

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 12.3 16.0 26.6 22.5
Single modes 13.4 2.3 18.6 5.8 29.1 6.3 22.6
Truck 14.1 5.5 12.2 6.3 14.7 4.2 25.7
For-hire truck 9.9 4.6 15.1 6.3 15.1 3.6 17.4
Private truck 33.5 3.3 29.0 3.1 32.2 0.9 33.0
Rail 23.2 5.5 31.0 6.2 33.6 7.5 8.3
Water S S S S S S 31.6
Shallow draft
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 44.7 1.3 S S S S 23.3
Parcel, USPS or courier S S 49.2 50.0 25.8
Truck and rail S S S S S S 26.3
Truck and water S S S S S S 25.9
Rail and water
Other Multiple modes
Other and unknown modes 41.2 1.5 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 14.4 9.8 12.5 39.9
Single modes 15.2 3.8 12.2 4.5 14.9 5.8 41.6
Truck 17.9 2.3 9.4 2.6 15.9 2.0 S
For-hire truck 16.9 1.8 10.6 1.7 15.9 2.0 S
Private truck S S S S S S 36.3
Rail 16.1 3.9 15.8 4.3 15.6 5.3 4.6
Water S S S S S S 31.9
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)
Pipeline S S S
Multiple modes 28.4 3.8 32.0 4.5 27.1 5.8 22.2
Parcel, USPS or courier
Truck and rail 29.3 3.7 33.1 4.3 29.3 5.4 19.7
Truck and water 39.7 0.3 39.0 0.3 39.3 1.0 21.2
Rail and water S S S S S S 29.8
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 31.6

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 35.7 39.8 S S S
Single modes 36.2 0.8 40.0 0.6 S S S
Truck 33.5 5.8 39.3 5.5 S S S
For-hire truck 38.3 11.3 42.2 11.7 S S 46.0
Private truck S S S S S S 23.9
Rail S S S S S S 29.9
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) S S S S S S 31.6
Pipeline S S S
Multiple modes 36.7 0.9 41.2 0.7 42.6 2.3 44.3
Parcel, USPS or courier S S S S S S 38.1
Truck and rail
Truck and water 39.2 0.7 41.3 0.7 42.7 2.3 23.7
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 21.2 20.9 24.4 20.1
Single modes 26.7 8.5 27.9 8.5 30.3 7.8 S
Truck 27.2 8.4 28.1 8.5 30.8 7.8 S
For-hire truck 28.9 7.1 22.8 10.0 31.9 10.4 18.9
Private truck S S S S S S S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 39.3 0.3 S S 15.5
Pipeline S S S
Multiple modes 33.5 6.6 37.4 4.9 46.8 6.2 15.1
Parcel, USPS or courier 35.9 7.1 39.3 4.6 30.5 2.9 13.2
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 48.4 3.7 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 S S S S 12.1
Single modes S S S S S S 19.0
Truck S S S S S S 19.0
For-hire truck S S S S S S 16.7
Private truck 30.0 10.4 S S 29.8 2.8 34.2
Rail
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 32.4 4.8 32.7 2.9 36.6 6.6 8.3
Parcel, USPS or courier 32.4 4.8 32.7 2.9 36.6 6.6 8.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 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 38.7 32.7 S
Single modes 30.8 9.0 38.6 0.1 32.7 1.7 S
Truck 31.2 9.0 38.8 5.5 39.1 8.0 S
For-hire truck 30.6 9.6 38.0 11.4 33.8 9.1 S
Private truck 37.0 9.8 S S S S S
Rail S S S S S S 27.9
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 S S S S S S 22.2
Parcel, USPS or courier S S S S S S 22.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.3

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 23.7 23.3 23.3 23.5
Single modes 25.0 3.5 23.5 1.4 24.9 3.1 19.7
Truck 24.0 7.4 19.7 9.1 19.3 12.1 16.2
For-hire truck 31.7 7.5 23.9 7.3 23.3 11.2 21.2
Private truck 16.9 8.0 21.5 7.6 31.0 4.1 S
Rail 39.7 4.3 37.8 8.5 37.6 11.2 24.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 16.3
Pipeline S S S
Multiple modes S S S S S S 30.1
Parcel, USPS or courier S S S S S S 32.6
Truck and rail S S S S S S 30.7
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 27.4 22.3 S S 32.4
Single modes 22.5 8.3 22.7 4.4 S S S
Truck 22.7 8.3 22.7 4.4 S S S
For-hire truck 48.2 7.5 44.8 10.7 S S 23.2
Private truck 23.8 11.7 27.7 11.8 S S 36.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 22.7
Pipeline S S S
Multiple modes S S 33.0 2.4 37.4 8.4 45.2
Parcel, USPS or courier S S 32.7 2.4 38.8 8.5 45.3
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 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 25.5 21.8 27.3 17.9
Single modes 26.9 3.7 23.3 2.9 28.2 2.5 S
Truck 24.8 3.3 21.2 2.8 26.1 2.6 S
For-hire truck 27.7 4.7 22.8 5.6 26.4 3.1 21.4
Private truck 18.6 3.3 26.9 4.2 24.1 0.7 27.4
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 22.1
Pipeline S S S S S S S
Multiple modes 33.0 3.9 29.3 2.1 33.8 2.9 13.7
Parcel, USPS or courier 33.6 3.8 30.9 2.1 37.6 2.6 13.9
Truck and rail
Truck and water S S S S S S 30.0
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 28.6 2.7 49.9 2.6 S S 48.6

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 S S 25.4 32.1 16.3
Single modes S S 27.7 10.2 35.8 11.0 20.2
Truck S S 28.9 11.1 40.3 14.2 24.6
For-hire truck S S 28.2 9.7 37.4 13.3 26.3
Private truck S S S S S S 28.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 12.2
Pipeline S S S
Multiple modes 27.3 8.4 37.7 9.7 42.5 10.4 17.9
Parcel, USPS or courier 27.3 8.4 38.1 9.7 43.3 10.4 18.0
Truck and rail
Truck and water S S S S S S 29.8
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 28.3 27.5 33.4 16.8
Single modes 18.8 9.9 31.1 8.4 39.4 10.6 31.8
Truck 19.1 9.9 31.3 8.4 39.9 10.8 20.3
For-hire truck 23.3 6.6 39.6 7.4 43.0 8.9 20.9
Private truck 22.3 5.0 26.9 7.5 48.9 4.3 18.8
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 36.9 0.2 43.4 0.3 S S 24.6
Pipeline S S S
Multiple modes 40.4 5.4 36.2 3.8 40.7 4.2 19.2
Parcel, USPS or courier 41.1 5.4 39.1 3.9 44.2 2.9 19.3
Truck and rail
Truck and water S S S S S S 29.9
Rail and water
Other Multiple modes
Other and unknown modes S S 42.4 9.1 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 30.5 S S S S 12.1
Single modes 34.6 9.4 S S S S 14.3
Truck 35.0 9.0 S S S S 23.1
For-hire truck S S S S S S 26.2
Private truck 48.6 14.4 S S S S 25.2
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 43.0 0.2 45.9 1.7 22.0
Pipeline S S S
Multiple modes S S S S S S 14.5
Parcel, USPS or courier S S S S S S 14.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.4

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 26.5 36.1 44.0 12.9
Single modes 35.6 11.1 46.0 11.6 S S 17.2
Truck S S 48.2 11.9 S S 31.5
For-hire truck S S 48.1 11.9 S S 30.2
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 22.0
Pipeline S S S
Multiple modes 36.0 10.3 49.8 10.6 48.2 11.4 19.1
Parcel, USPS or courier 36.0 10.3 49.8 10.6 48.2 11.4 19.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.6

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 37.7 S S S S 26.4
Single modes 42.6 15.2 S S S S 42.0
Truck 42.7 15.2 S S S S 44.0
For-hire truck S S S S S S 40.7
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 S S S S 24.4
Parcel, USPS or courier S S S S S S 24.5
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 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 27.1 22.7 33.6 11.2
Single modes 33.3 7.2 24.3 7.7 37.8 11.5 17.8
Truck 20.7 7.5 24.5 7.7 38.7 11.3 30.4
For-hire truck 27.0 7.4 32.0 12.2 42.4 13.0 18.9
Private truck 47.4 7.8 S S S S 23.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.3
Pipeline S S S
Multiple modes 27.1 7.3 26.5 7.7 26.5 11.5 10.9
Parcel, USPS or courier 27.1 7.3 27.3 7.8 27.5 11.6 11.0
Truck and rail S S S S S S 31.6
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 39.3

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 S
Truck 42.8 8.4 40.6 11.0 43.0 13.7 25.6
For-hire truck 46.8 6.9 44.3 8.7 47.7 9.7 27.4
Private truck 38.4 10.1 S S S S 22.1
Rail S S S S S S S
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 28.7
Parcel, USPS or courier
Truck and rail S S S S S S 28.7
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 14.6 18.1 17.4 28.0
Single modes 14.5 1.2 18.2 0.7 17.0 2.4 32.6
Truck 14.6 1.2 18.2 0.7 17.0 2.4 13.0
For-hire truck 16.2 7.3 13.1 4.8 19.1 5.8 12.8
Private truck 18.5 7.1 19.8 4.4 19.0 4.6 11.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 27.6
Pipeline S S S
Multiple modes 38.0 1.0 S S S S 23.3
Parcel, USPS or courier 35.6 0.9 S S S S 23.5
Truck and rail
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes S S S S S S S
Other and unknown modes 48.8 0.4 S S 49.8 S

Commodity unknown

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S 44.7 S S S
Single modes S S 40.5 10.6 S S S
Truck S S 24.3 16.3 S S S
For-hire truck 48.0 11.9 48.0 14.0 S S 28.8
Private truck S S 37.4 15.6 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 33.2
Parcel, USPS or courier S S 49.2 3.2 S S 34.4
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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

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

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