Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation for State of Origin: 2002

Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation for State of Origin: 2002

[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]

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All Commodities

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 5.9 13.6 39.2 15.7
Single modes 6.7 1.7 13.9 2.6 40.4 1.5 25.2
Truck 7.1 2.7 11.7 4.6 12.5 6.7 24.2
For-hire truck 8.3 2.2 21.0 4.9 12.0 4.8 9.9
Private truck 11.4 3.0 17.0 5.6 24.6 3.3 17.2
Rail 23.5 1.6 49.2 5.1 S S 4.1
Water 16.8 0.2 18.7 0.9 19.1 4.2 11.1
Shallow draft 16.8 0.2 18.7 0.9 19.1 4.2 11.1
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 8.4
Pipeline S S S S S S S
Multiple modes 18.3 1.4 35.7 0.3 40.0 1.0 6.9
Parcel, USPS or courier 15.5 1.1 16.6 21.2 0.1 6.9
Truck and rail S S 41.0 41.5 0.1 14.3
Truck and water 45.2 S S 48.7 34.6
Rail and water S S S S S S 27.9
Other Multiple modes S S S S S S 29.8
Other and unknown modes 33.4 0.8 S S S S 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 31.6
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 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 47.4 46.0 S S S
Single modes S S 49.0 6.7 S S S
Truck 44.2 9.5 S S 44.3 2.6 S
For-hire truck S S S S S S S
Private truck 43.5 8.3 46.9 8.8 S S 48.6
Rail S S S S S S 24.2
Water 26.8 12.0 25.0 12.6 25.9 15.5 12.7
Shallow draft 26.8 12.0 25.0 12.6 25.9 15.5 12.7
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 32.0
Pipeline S S S
Multiple modes S S S S S S 26.5
Parcel, USPS or courier S S S S S S 28.1
Truck and rail S S S S S S 31.6
Truck and water
Rail and water S S S S S S 29.8
Other Multiple modes
Other and unknown modes S S S S S S S

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 22.5 28.1 30.3 26.8
Single modes 26.9 8.6 28.4 1.2 30.5 1.0 S
Truck 39.7 12.3 42.9 13.2 45.0 2.7 26.5
For-hire truck S S S S S S S
Private truck S S S S 49.1 2.6 24.2
Rail S S S S S S 31.6
Water 27.9 11.7 31.1 12.7 30.4 12.3 14.9
Shallow draft 27.9 11.7 31.1 12.7 30.4 12.3 14.9
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 25.0
Parcel, USPS or courier S S S S S S 24.7
Truck and rail S S S S S S 30.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 37.6

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 19.0 27.9 20.2 S
Single modes 19.1 2.1 29.1 2.6 20.2 7.2 S
Truck 21.3 5.6 34.9 6.0 41.1 7.7 S
For-hire truck 14.7 8.9 9.8 7.9 28.5 5.6 14.1
Private truck 33.2 11.1 49.8 12.0 S S S
Rail 12.5 5.7 12.1 6.0 13.5 9.5 3.2
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 24.0
Parcel, USPS or courier S S 44.3 48.7 24.0
Truck and rail S S S S S S 31.6
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S S

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 44.6 48.6 S S 14.0
Single modes 43.4 0.8 48.1 0.4 S S 13.8
Truck 43.6 0.8 48.3 0.5 S S 13.8
For-hire truck 43.0 4.9 43.9 4.5 S S 9.1
Private truck 49.8 5.1 S S S S S
Rail S S S S S S 27.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 38.3
Parcel, USPS or courier S S S S S S S
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

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 19.2 22.2 30.7 16.4
Single modes 19.2 22.2 30.7 16.4
Truck 19.8 5.3 22.2 6.8 33.4 9.8 19.0
For-hire truck 20.3 6.2 23.0 6.4 33.9 9.6 14.3
Private truck 23.9 1.3 28.8 1.3 S S 36.2
Rail 29.8 5.3 28.0 6.8 30.9 9.8 19.3
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 31.9 32.8 28.4 19.4
Single modes 33.3 3.2 31.1 4.7 28.6 1.0 16.4
Truck 38.6 5.9 42.0 4.8 S S 21.1
For-hire truck 34.5 6.1 35.8 4.6 32.0 3.8 13.0
Private truck S S S S S S 31.0
Rail 15.3 6.2 16.9 7.1 16.2 6.6 2.1
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 27.4
Parcel, USPS or courier S S S S S S 26.7
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 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 25.6 25.6 36.1 29.7
Single modes 25.6 25.6 36.1 29.7
Truck 26.8 12.9 23.5 13.8 30.3 19.5 19.6
For-hire truck 33.4 3.3 33.0 5.1 33.8 1.9 22.5
Private truck 37.5 15.8 38.8 18.2 S S 11.4
Rail 37.6 12.9 30.2 13.8 37.4 19.5 24.0
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 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
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 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 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 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 20.5 29.9 S S 20.1
Single modes 20.9 1.5 30.4 1.8 S S 20.2
Truck 21.4 2.0 30.6 1.9 S S 20.2
For-hire truck 44.8 10.1 S S 39.7 8.7 S
Private truck 20.7 9.4 21.2 10.4 S S S
Rail S S S S S S 25.8
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 S

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 23.1
Truck S S S S S S 23.1
For-hire truck S S S S S S 30.4
Private truck 41.0 13.7 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)
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 43.4 12.2 48.7 11.3 S S S

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
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 15, Coal

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 27.9
Single modes S S S S S S 27.9
Truck S S S S S S 27.9
For-hire truck S S S S S S 29.8
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 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 46.1 S S 26.1
Single modes S S 47.4 2.4 S S 30.5
Truck S S 47.4 2.4 S S 30.5
For-hire truck S S 47.8 3.0 S S 27.8
Private truck S S S S S S 33.0
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 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 33.9

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 38.4 39.1 S S 46.7
Single modes 38.4 0.1 39.1 S S 46.3
Truck 38.4 0.1 39.1 S S 46.3
For-hire truck S S S S S S 15.8
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

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 43.4 45.0 46.7 S
Single modes 43.5 11.6 45.1 11.0 46.7 10.6 S
Truck 41.6 10.6 45.7 10.4 47.0 10.1 S
For-hire truck S S S S S S S
Private truck S S 49.8 14.1 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 S S S S
Multiple modes S S S S S S 34.8
Parcel, USPS or courier S S S S S S 37.0
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 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 35.5 S S S S S
Single modes 36.1 1.2 S S S S S
Truck 36.8 1.8 S S S S 45.9
For-hire truck 29.7 7.5 S S S S 26.4
Private truck S S S S S S 33.7
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 39.1 0.9 45.0 0.5 42.1 1.0 23.2
Parcel, USPS or courier S S S S S S 29.4
Truck and rail 41.4 1.0 45.6 0.5 42.8 1.0 26.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 21, Pharmaceutical products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 26.1 32.5 31.6 24.7
Single modes 30.0 13.0 32.9 11.8 33.5 12.9 38.8
Truck 31.5 14.0 36.7 13.0 40.1 14.1 31.4
For-hire truck 33.7 12.3 41.5 14.0 46.5 14.8 20.2
Private truck 43.8 9.2 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 S S S S 30.2
Pipeline S S S
Multiple modes 47.4 10.6 S S S S 22.5
Parcel, USPS or courier 47.4 10.6 S S S S 22.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.7

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 38.4 39.8 S S 47.7
Single modes 38.4 39.8 S S 47.6
Truck 39.2 3.7 39.4 4.1 44.1 15.2 S
For-hire truck S S S S S S 30.2
Private truck 45.0 9.1 44.8 8.5 S S S
Rail S S S S S S 30.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
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 37.2 35.2 42.8 31.7
Single modes 37.1 5.4 35.7 4.4 43.0 7.3 40.2
Truck 42.0 8.6 38.3 7.6 48.7 10.2 42.4
For-hire truck S S 45.7 11.7 S S 12.4
Private truck 31.6 15.2 32.1 15.6 35.6 11.4 S
Rail S S S S S S 27.5
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 16.0
Parcel, USPS or courier 43.3 0.1 41.6 47.2 16.1
Truck and rail S S S S S S 26.7
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 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 22.8 28.5 28.8 27.6
Single modes 25.4 3.3 29.4 1.6 30.3 2.9 S
Truck 25.9 5.5 28.8 9.9 27.5 12.9 48.4
For-hire truck 26.4 6.5 27.3 9.7 26.5 12.5 18.7
Private truck 40.3 5.7 39.7 3.6 44.7 1.5 15.9
Rail S S S S S S 27.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 47.5 S S 47.8 22.6
Pipeline S S S
Multiple modes 29.2 2.8 30.4 0.9 31.3 1.6 12.4
Parcel, USPS or courier 29.2 2.7 32.3 0.8 33.8 1.2 12.2
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 29.6 0.7 43.9 0.9 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 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 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 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 27.3 36.3 31.0 31.9
Single modes 27.5 1.1 36.4 0.2 31.1 0.2 30.0
Truck 27.5 1.1 36.4 0.2 31.1 0.2 30.3
For-hire truck 23.6 9.4 35.9 9.6 40.6 7.9 14.8
Private truck S S 42.7 9.6 36.6 7.9 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 35.5 49.5 S S 24.3
Pipeline S S S
Multiple modes S S S S S S 24.6
Parcel, USPS or courier S S S S S S 24.6
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 41.8 41.6 41.0 S
Single modes 41.9 0.3 41.7 0.3 41.0 S
Truck 41.6 3.0 39.3 4.5 37.7 9.0 S
For-hire truck 44.5 9.2 41.8 6.4 38.2 8.3 20.3
Private truck S S S S S S S
Rail S S S S S S 29.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 43.7
Parcel, USPS or courier S S S S S S 43.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes

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 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 25.7
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 S S S S 28.5
Parcel, USPS or courier S S S S S S 28.5
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 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 30.1 S S S S 12.2
Single modes 47.9 12.7 S S S S 30.2
Truck 47.9 12.7 S S S S 30.2
For-hire truck S S S S S S 18.9
Private truck S S S S S S 33.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 43.9 12.7 S S S S 8.2
Parcel, USPS or courier 43.9 12.7 S S S S 8.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 43.2 0.4 S S S S 48.7

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 39.7 S S S S 6.7
Single modes 42.4 8.9 S S S S 29.7
Truck 43.7 11.3 S S S S 34.4
For-hire truck S S S S S S 18.9
Private truck 46.2 16.0 40.3 15.4 48.3 13.7 S
Rail S S S S S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 28.0
Pipeline S S S
Multiple modes 37.4 9.2 25.9 4.9 27.7 8.7 3.4
Parcel, USPS or courier 37.4 9.2 25.9 4.9 27.7 8.7 3.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.9

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 28.8 32.4 27.2 47.6
Single modes 29.2 10.5 32.4 10.5 27.2 10.5 25.8
Truck 31.7 10.6 36.1 10.5 27.0 10.5 27.5
For-hire truck 29.3 10.8 S S 26.8 10.9 27.0
Private truck S S S S S S 27.1
Rail 48.3 3.2 47.5 5.1 S S 26.7
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 25.6
Parcel, USPS or courier S S S S S S 25.6
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 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 20.0 20.2 28.2 16.8
Single modes 20.4 1.7 20.4 0.8 28.2 0.7 19.1
Truck 19.4 2.9 15.8 5.9 22.8 10.2 19.3
For-hire truck 22.6 3.5 21.4 2.6 26.6 6.6 13.8
Private truck 17.7 2.8 19.6 5.7 21.5 6.6 19.1
Rail 44.2 2.8 43.3 6.1 43.4 10.5 25.3
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 26.8
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 35.0 1.0 42.0 0.7 S S 27.0

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 16.9 23.9 28.7 25.1
Single modes 18.1 3.4 24.1 1.4 29.2 1.4 35.6
Truck 18.7 4.2 27.1 5.1 37.9 8.5 31.0
For-hire truck 20.9 3.7 32.9 7.0 40.6 9.1 8.4
Private truck 20.0 3.8 19.7 4.3 36.9 1.8 S
Rail 45.9 0.9 45.4 4.6 S S 26.5
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 46.8 S S 26.4
Pipeline S S S
Multiple modes 33.1 3.3 28.3 1.1 30.1 1.1 16.8
Parcel, USPS or courier 33.1 3.3 28.3 1.1 30.1 1.1 16.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 45.1 0.3 47.1 0.4 41.5 0.4 S

SCTG 34, Machinery

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 14.0 24.6 15.6 21.2
Single modes 14.2 1.4 17.1 7.9 15.7 1.7 20.7
Truck 14.0 1.5 17.2 7.7 16.3 2.2 23.2
For-hire truck 13.6 2.3 14.3 8.6 15.5 2.6 5.8
Private truck 23.9 2.2 30.9 3.6 33.3 1.7 S
Rail S S S S S S 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 12.1
Pipeline S S S
Multiple modes 14.5 0.4 23.0 0.4 35.4 1.0 15.4
Parcel, USPS or courier 23.2 0.4 30.9 0.2 47.4 0.2 18.0
Truck and rail 42.7 0.2 46.0 0.3 47.5 0.7 24.0
Truck and water S S S S S S 28.9
Rail and water
Other Multiple modes
Other and unknown modes 46.2 1.5 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 24.6 21.1 29.0 15.2
Single modes 22.3 5.0 24.8 5.1 34.6 5.9 S
Truck 21.0 5.4 24.4 4.9 32.9 5.7 S
For-hire truck 22.4 8.5 30.3 9.5 35.0 8.0 5.1
Private truck S S S S 43.8 2.9 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 12.3
Pipeline S S S
Multiple modes 46.2 5.0 48.5 4.7 27.2 4.2 9.1
Parcel, USPS or courier S S 19.7 1.7 24.8 3.1 9.1
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 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 16.7 26.8 29.7 13.0
Single modes 16.3 2.2 28.9 2.9 32.0 3.8 14.5
Truck 16.3 2.3 28.9 2.9 32.0 3.8 11.6
For-hire truck 20.6 8.0 42.0 8.9 39.0 7.7 7.7
Private truck 27.1 6.8 29.0 8.8 28.3 6.6 18.1
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.9
Pipeline S S S
Multiple modes 35.0 2.1 27.7 2.1 30.3 3.0 15.4
Parcel, USPS or courier 38.2 2.2 37.4 0.7 40.2 1.0 15.6
Truck and rail 46.9 0.6 49.1 2.1 49.4 3.1 25.9
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 42.0 41.8 43.7 25.8
Single modes 42.0 41.8 43.7 25.8
Truck 41.4 2.1 41.4 2.3 41.0 1.3 25.9
For-hire truck 43.0 1.4 41.5 0.6 48.5 0.9 27.8
Private truck 43.2 1.6 43.2 1.9 48.1 1.7 26.3
Rail 44.8 2.1 44.2 2.3 45.5 1.3 26.5
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 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 S S 38.7 44.9 33.7
Single modes S S 48.3 11.5 49.0 12.7 27.5
Truck S S S S S S S
For-hire truck S S S S S S 28.6
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 23.6
Pipeline S S S
Multiple modes S S 30.2 11.5 49.0 12.7 44.3
Parcel, USPS or courier S S 30.2 11.5 49.0 12.7 44.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 47.3

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 11.5 18.8 21.5 9.3
Single modes 11.7 1.0 18.8 0.2 21.5 0.1 9.4
Truck 11.7 1.0 18.8 0.2 21.5 0.1 9.4
For-hire truck 13.2 4.1 18.7 3.0 20.9 2.3 5.4
Private truck 22.4 3.9 33.9 3.0 S S 20.7
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 43.0 0.1 13.8
Parcel, USPS or courier S S S S 43.0 0.1 13.8
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 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 30.1 22.1 28.4 43.6
Single modes 29.6 7.1 20.2 2.9 29.3 3.5 S
Truck 29.2 7.1 20.1 2.9 29.1 3.6 S
For-hire truck 26.6 8.4 19.5 6.3 27.2 5.4 5.3
Private truck S S 31.4 4.4 43.2 4.2 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.6
Pipeline S S S
Multiple modes S S S S 49.4 3.6 10.5
Parcel, USPS or courier S S S S 49.3 3.6 10.5
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 45.5 1.2 S S S S 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 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 28.9
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 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 10.5 9.4 14.4 S
Single modes 10.4 3.6 9.3 1.3 14.9 1.4 S
Truck 10.4 3.6 9.2 1.3 14.7 1.4 S
For-hire truck 29.0 7.9 28.4 8.5 29.6 11.4 22.0
Private truck 16.6 10.1 15.1 8.9 17.5 11.8 49.5
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 30.0
Pipeline S S S
Multiple modes S S S S S S 15.9
Parcel, USPS or courier S S S S S S 15.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 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 40.1 40.1 S S 27.0
Single modes 41.1 9.2 41.8 7.7 S S 35.9
Truck 33.6 12.4 S S S S 36.2
For-hire truck 33.3 12.3 40.7 11.0 34.2 15.8 30.2
Private truck 49.7 10.7 S S S S 27.2
Rail S S S S S S 32.8
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
Multiple modes S S S S S S 25.8
Parcel, USPS or courier S S S S S S 25.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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.