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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SCTG –

Commodity (2-digit SCTG): 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 11.9 34.5 23.4 22.9
Single modes 14.4 3.1 35.3 3.0 27.2 9.3 22.7
Truck 18.6 4.7 27.8 10.0 31.5 6.2 17.0
For-hire truck 24.7 3.2 21.8 6.8 36.0 5.6 15.5
Private truck 17.1 2.8 37.8 4.7 27.9 1.2 19.8
Rail 40.0 5.6 S S 36.6 12.7 22.8
Water 22.8 1.4 48.7 2.1 S S 35.1
Shallow draft 45.1 0.6 S S S S S
Great Lakes
Deep draft 23.4 1.2 S S S S 26.7
Air (including truck and air) 25.6 0.8 19.5 21.0 0.5 13.4
Pipeline 44.4 3.0 43.0 4.8 S S S
Multiple modes 26.0 2.9 S S S S 12.9
Parcel, USPS or courier 17.4 0.5 19.4 38.4 15.3
Truck and rail S S S S S S 31.6
Truck and water 32.2 2.5 S S S S 7.7
Rail and water S S S S S S 31.6
Other Multiple modes S S S S S S 30.3
Other and unknown modes 21.6 1.1 S S 28.2 0.3 S

SCTG 1

Commodity (2-digit SCTG): 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
For-hire truck
Private truck
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
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 2

Commodity (2-digit SCTG): 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 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 3

Commodity (2-digit SCTG): 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 29.9
For-hire truck S S S S S S 31.6
Private truck S S S S S S 27.5
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.3
Pipeline S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier
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 29.9

SCTG 4

Commodity (2-digit SCTG): 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 36.9
Single modes S S S S S S 29.8
Truck S S S S S S 29.8
For-hire truck S S S S S S 29.8
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 30.1
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 5

Commodity (2-digit SCTG): 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 20.4 33.4 39.6 26.2
Single modes 30.0 9.1 44.5 9.2 S S 50.0
Truck 43.9 8.2 S S S S S
For-hire truck 37.1 4.3 42.7 7.3 S S 22.4
Private truck S S S S S S S
Rail
Water 28.6 7.4 S S S S 17.5
Shallow draft S S 46.7 3.8 S S 23.9
Great Lakes
Deep draft 40.5 8.0 S S S S 19.5
Air (including truck and air) 34.2 4.1 34.6 5.8 32.0 9.8 16.1
Pipeline S S S
Multiple modes 35.6 9.0 43.9 8.8 40.2 10.3 19.4
Parcel, USPS or courier S S S S S S 25.3
Truck and rail
Truck and water 36.6 9.2 44.2 8.9 41.6 10.6 29.5
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.5

SCTG 6

Commodity (2-digit SCTG): 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 31.2
Single modes S S S S S S 32.2
Truck S S S S S S 30.0
For-hire truck
Private truck S S S S S S 30.0
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 31.9
Parcel, USPS or courier S S S S S S 29.9
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 7

Commodity (2-digit SCTG): 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 28.8 35.9 35.0 37.7
Single modes 29.9 7.2 38.1 5.7 47.1 12.0 26.7
Truck 30.5 7.2 38.9 5.8 S S 24.5
For-hire truck S S S S S S 28.0
Private truck 31.6 9.2 41.7 6.3 S S 25.6
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 25.8
Pipeline S S S
Multiple modes S S 41.9 0.7 S S 23.5
Parcel, USPS or courier S S S S S S 25.0
Truck and rail
Truck and water S S S S S S 26.8
Rail and water
Other Multiple modes
Other and unknown modes 49.8 6.8 S S S S S

SCTG 8

Commodity (2-digit SCTG): 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 30.1 24.7 28.1 35.3
Single modes 41.5 12.6 42.4 12.6 S S 31.9
Truck 39.7 13.7 40.1 13.2 S S 19.7
For-hire truck 43.5 1.5 37.6 0.8 S S 20.5
Private truck 41.6 13.3 41.7 13.2 S S 24.5
Rail S S S S S S 31.6
Water S S S S S S 29.9
Shallow draft
Great Lakes
Deep draft S S S S S S 29.9
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 36.0 12.6 42.4 12.6 37.7 15.3 24.8
Parcel, USPS or courier
Truck and rail
Truck and water 36.0 12.6 42.4 12.6 37.7 15.3 24.8
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 9

Commodity (2-digit SCTG): 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
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 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 10

Commodity (2-digit SCTG): 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

Commodity (2-digit SCTG): 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 42.9
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 36.5
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 12

Commodity (2-digit SCTG): 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 41.7 S S S S S
Single modes 41.9 0.6 S S S S S
Truck S S 49.8 17.3 S S 24.7
For-hire truck S S S S S S 35.3
Private truck S S S S S S 27.6
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
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 13

Commodity (2-digit SCTG): 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 31.2
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 30.2
Private truck S S S S S S 29.0
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

SCTG 14

Commodity (2-digit SCTG): 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
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 15

Commodity (2-digit SCTG): 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 41.1 43.0 49.6 32.1
Single modes 41.2 0.8 43.4 1.3 S S 35.3
Truck S S S S S S 31.6
For-hire truck S S S S S S 31.6
Private truck
Rail S S S S S S 28.5
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 31.6
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes

SCTG 17

Commodity (2-digit SCTG): 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 26.3 26.0 30.6 26.2
Single modes 26.8 2.1 26.5 2.0 30.8 6.0 24.6
Truck 48.0 10.9 46.6 11.0 S S 18.6
For-hire truck S S S S S S 25.4
Private truck 27.3 8.9 30.9 9.1 20.6 13.1 16.0
Rail 41.9 11.9 41.4 13.0 41.4 19.3 25.8
Water S S S S S S S
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft S S S S S S 29.8
Air (including truck and air)
Pipeline 43.3 12.6 42.0 13.1 S S S
Multiple modes S S S S S S 31.6
Parcel, USPS or courier
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 29.9

SCTG 18

Commodity (2-digit SCTG): 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 19.5 25.9 39.8 S
Single modes 22.4 9.3 28.7 9.5 34.1 14.7 29.0
Truck 25.3 10.3 33.2 10.6 42.3 16.4 34.9
For-hire truck 36.6 10.6 42.4 11.2 48.9 12.8 27.3
Private truck 24.1 9.6 25.9 9.6 36.1 10.7 16.5
Rail S S S S S S 28.0
Water S S S S S S 31.2
Shallow draft S S S S S S 32.9
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air)
Pipeline S S S S S S S
Multiple modes S S S S S S 29.9
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 36.0

SCTG 19

Commodity (2-digit SCTG): 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 35.8 34.0 S S S
Single modes 36.2 1.3 34.2 0.7 S S S
Truck 35.5 16.8 27.2 15.5 S S S
For-hire truck 43.6 16.0 40.0 15.5 47.7 19.0 49.4
Private truck S S S S S S S
Rail S S S S S S 29.8
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
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 20

Commodity (2-digit SCTG): 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 33.3 S S S S S
Single modes 41.7 10.0 S S S S S
Truck 42.2 9.8 S S S S S
For-hire truck S S S S S S 27.2
Private truck 48.8 10.9 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) 49.3 5.0 S S S S 23.6
Pipeline S S S S S S S
Multiple modes S S S S S S S
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 S S S S S S S

SCTG 21

Commodity (2-digit SCTG): 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 29.4
Single modes S S S S S S 31.5
Truck S S S S S S 30.3
For-hire truck S S S S S S 31.6
Private truck S S S S S S 49.2
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 48.4 17.1 S S S S 28.1
Parcel, USPS or courier S S S S S S 27.9
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 22

Commodity (2-digit SCTG): 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 S
Single modes S S S S S S S
Truck S S S S S S 25.4
For-hire truck 49.2 17.9 47.3 19.1 S S 27.3
Private truck S S S S S S 31.6
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
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

Commodity (2-digit SCTG): 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 30.2 29.6 S S S
Single modes 36.5 9.2 33.0 7.5 S S S
Truck 37.0 9.3 38.1 10.7 S S S
For-hire truck S S S S S S S
Private truck 44.9 10.8 36.9 11.5 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 31.6
Pipeline S S S
Multiple modes S S 48.9 1.1 S S 32.4
Parcel, USPS or courier S S S S S S 33.4
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 38.2

SCTG 24

Commodity (2-digit SCTG): 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 32.3 31.5 S S 35.0
Single modes 34.1 8.7 37.2 7.1 S S 40.8
Truck 35.0 8.9 37.9 7.4 S S 35.1
For-hire truck 43.1 10.9 S S S S 24.8
Private truck 35.5 10.8 29.0 12.3 32.7 16.3 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.4
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 S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes S S 49.7 7.7 S S 41.0

SCTG 25

Commodity (2-digit SCTG): 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
Parcel, USPS or courier
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 26

Commodity (2-digit SCTG): 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 30.2 S S S S S
Single modes 35.1 8.5 S S S S S
Truck 25.5 15.0 S S S S S
For-hire truck 39.5 11.1 44.7 14.9 S S 25.4
Private truck 24.0 15.4 29.9 19.5 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 27.9
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 S

SCTG 27

Commodity (2-digit SCTG): 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 32.2 S S 45.4 47.7
Single modes 33.0 2.0 S S S S 32.7
Truck 33.0 2.0 S S S S 32.7
For-hire truck S S S S S S 30.4
Private truck 33.4 2.3 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 S S S S S S 34.8
Parcel, USPS or courier S S S S S S 34.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

SCTG 28

Commodity (2-digit SCTG): 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 37.5 34.0 32.1 46.5
Single modes 39.2 3.4 34.1 3.0 30.5 8.0 S
Truck 39.4 3.7 34.1 3.0 31.4 9.2 S
For-hire truck S S S S S S 28.3
Private truck 40.0 4.1 34.3 3.3 32.5 8.5 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 48.3 0.8 S S S S 30.8
Parcel, USPS or courier 48.3 0.8 S S S S 30.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 49.6 3.2 S S S S 39.2

SCTG 29

Commodity (2-digit SCTG): 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 29.1 26.9 S S 46.4
Single modes 38.9 14.5 35.6 13.4 S S 30.0
Truck 38.6 14.0 33.9 12.6 S S 33.9
For-hire truck S S S S S S 27.9
Private truck 40.4 12.3 35.9 12.0 48.6 15.3 S
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.1
Pipeline S S S
Multiple modes 49.4 16.2 S S S S 23.6
Parcel, USPS or courier 49.4 16.2 S S S S 23.9
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 S S 49.2 6.8 S S S

SCTG 30

Commodity (2-digit SCTG): 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 29.9 27.0 44.4 47.5
Single modes 33.6 10.6 28.5 10.5 48.2 12.7 38.1
Truck 25.0 10.7 27.3 11.0 S S 48.7
For-hire truck 45.5 7.5 S S S S 25.9
Private truck 26.2 14.3 32.4 11.9 S S S
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 47.8 4.3 S S S S 48.2
Parcel, USPS or courier 47.8 4.3 S S S S 48.2
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

Commodity (2-digit SCTG): 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 30.5 44.3 46.9 35.5
Single modes 27.1 10.0 44.3 11.3 46.1 10.1 33.1
Truck 32.4 14.5 46.5 17.6 46.3 15.9 S
For-hire truck S S S S S S 28.0
Private truck 35.3 13.7 47.1 18.0 49.8 15.1 S
Rail
Water S S S S S S S
Shallow draft S S S S S S 29.9
Great Lakes
Deep draft S S S S S S S
Air (including truck and air) S S S S S S 30.2
Pipeline S S S
Multiple modes S S S S S S 29.6
Parcel, USPS or courier S S S S S S 31.3
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 S S 42.3 10.7 S

SCTG 32

Commodity (2-digit SCTG): 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 27.8 29.2 S S 23.3
Single modes 29.2 5.1 28.6 1.9 S S 28.2
Truck 29.3 5.5 28.6 1.9 S S 34.3
For-hire truck S S 41.1 6.2 S S 19.8
Private truck 27.8 9.4 29.0 9.0 46.8 15.7 35.9
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 41.3 2.4 S S S S 23.5
Pipeline S S S
Multiple modes S S S S S S 34.7
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
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 33

Commodity (2-digit SCTG): 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 41.0 S S S S 41.4
Single modes S S S S S S 25.4
Truck S S S S S S 29.1
For-hire truck S S S S S S 26.9
Private truck 31.9 10.2 25.1 16.2 44.4 11.8 27.9
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) 48.1 1.9 S S S S 24.2
Pipeline S S S
Multiple modes 41.0 1.4 35.3 0.7 S S S
Parcel, USPS or courier 45.1 1.5 37.9 0.7 S S S
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

Commodity (2-digit SCTG): 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 28.4 37.0 S S 21.1
Single modes 30.8 3.9 41.0 7.0 S S 23.0
Truck 30.5 5.4 34.4 7.0 S S 27.8
For-hire truck 43.5 6.1 S S S S 19.4
Private truck 34.3 7.9 25.3 9.2 S S S
Rail
Water S S S S 41.0 2.8 S
Shallow draft 43.2 1.3 S S S S 35.8
Great Lakes
Deep draft S S S S 49.9 1.6 S
Air (including truck and air) S S S S S S 13.5
Pipeline S S S
Multiple modes 30.4 2.7 41.5 7.3 27.5 8.2 19.1
Parcel, USPS or courier 34.9 2.8 S S 44.1 7.6 19.5
Truck and rail
Truck and water 42.9 0.3 49.7 0.5 S S 23.0
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.3

SCTG 35

Commodity (2-digit SCTG): 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 17.7 37.4 40.9 22.4
Single modes 19.9 7.0 42.6 6.4 45.1 12.1 29.3
Truck 19.1 7.0 40.4 6.9 37.8 8.5 38.2
For-hire truck 37.8 9.7 S S 41.0 9.2 44.8
Private truck 25.2 8.6 35.5 9.0 42.1 4.1 21.1
Rail
Water S S S S S S 30.6
Shallow draft
Great Lakes
Deep draft S S S S S S 30.6
Air (including truck and air) 42.1 0.9 S S S S 21.8
Pipeline S S S
Multiple modes 41.6 6.2 46.4 1.8 42.9 11.4 18.7
Parcel, USPS or courier 43.2 6.3 49.4 1.9 44.7 10.9 16.9
Truck and rail
Truck and water S S S S S S 28.1
Rail and water
Other Multiple modes
Other and unknown modes S S 43.9 6.2 47.2 2.0 29.6

SCTG 36

Commodity (2-digit SCTG): 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 17.7 20.9 34.7 28.0
Single modes 22.7 12.0 23.7 12.1 36.5 13.8 24.2
Truck 26.8 11.1 25.8 10.9 31.4 12.0 20.7
For-hire truck 27.0 7.4 35.5 9.5 38.6 10.8 20.3
Private truck 35.8 6.5 38.8 8.0 S S 23.9
Rail
Water 47.4 0.5 S S S S 31.6
Shallow draft S S S S S S 29.4
Great Lakes
Deep draft S S S S S S 39.5
Air (including truck and air) S S S S S S 25.0
Pipeline S S S
Multiple modes 28.2 9.8 34.2 10.1 44.0 12.4 21.1
Parcel, USPS or courier 30.8 9.9 34.5 10.2 42.8 12.8 19.9
Truck and rail
Truck and water S S S S S S 28.3
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 46.4 8.5 33.3 8.4 S S S

SCTG 37

Commodity (2-digit SCTG): Transportation equipment, nec

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 31.8
Single modes S S S S S S 33.6
Truck S S S S S S 34.6
For-hire truck S S S S S S 31.6
Private truck S S S S S S 40.7
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 S S 33.3
Parcel, USPS or courier S S S S S S 36.4
Truck and rail
Truck and water S S S S S S 30.7
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.5

SCTG 38

Commodity (2-digit SCTG): 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 S S S S 49.6
Single modes S S S S S S 27.8
Truck S S S S S S 29.2
For-hire truck S S S S S S 31.6
Private truck S S S S S S 44.3
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 27.3
Parcel, USPS or courier S S S S S S 27.3
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

Commodity (2-digit SCTG): 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 38.3 30.8 39.1 31.0
Single modes 39.2 2.1 31.2 1.1 42.0 7.7 45.9
Truck 40.0 10.4 31.8 10.3 43.2 12.6 38.9
For-hire truck S S S S S S 29.9
Private truck S S 47.1 13.9 S S 24.1
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 23.8
Pipeline S S S
Multiple modes S S S S S S 29.9
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 S S S S S S 31.6

SCTG 40

Commodity (2-digit SCTG): Miscellaneous manufactured products

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S 31.8 43.5 29.4
Single modes S S 32.0 12.8 44.4 14.4 28.6
Truck S S 32.4 12.5 45.3 14.0 27.7
For-hire truck S S 48.5 12.0 46.6 13.2 22.7
Private truck S S 29.4 12.1 S S 33.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 40.3 1.3 49.6 12.6 28.7
Pipeline S S S
Multiple modes 47.5 5.4 S S S S 28.9
Parcel, USPS or courier S S S S S S 32.3
Truck and rail
Truck and water S S S S S S 29.5
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S S

SCTG 41

Commodity (2-digit SCTG): 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 31.6
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 S S S S S S 31.6
Parcel, USPS or courier
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 43

Commodity (2-digit SCTG): 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 S S S S 47.7 37.4
Single modes S S S S S S S
Truck S S S S S S 39.5
For-hire truck S S S S S S 38.7
Private truck S S S S S S S
Rail S S S S S S 31.6
Water S S S S S S 28.0
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft S S S S S S 28.2
Air (including truck and air) S S S S S S 23.3
Pipeline S S S
Multiple modes 47.6 3.0 S S S S 26.1
Parcel, USPS or courier 50.0 2.9 S S S S 26.9
Truck and rail S S S S S S 31.6
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes 37.5 13.5 31.3 16.6 40.5 13.8 45.0

SCTG –

Commodity (2-digit SCTG): Commodity unknown

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 39.0 44.9 S S S
Single modes 49.5 13.3 45.8 17.0 S S 36.2
Truck 49.5 13.3 45.8 17.0 S S 36.3
For-hire truck S S S S S S S
Private truck S S S S S S 23.7
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.9
Pipeline S S S
Multiple modes S S S S S S 28.5
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water S S S S S S 28.0
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.