Table B-15 - Estimated Measures of Reliability for Shipment Characteristics by Origin State and Mode of Transportation for State of Destination: 2002

Table B-15 - Estimated Measures of Reliability for Shipment Characteristics by Origin State and Mode of Transportation for State of Destination: 2002

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

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Total

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 5.5 8.3 22.7 8.6
Single modes 6.0 0.7 6.7 3.0 11.9 6.1 15.3
Truck 7.8 2.0 15.7 3.3 14.9 2.2 13.9
For-hire truck 8.6 2.0 18.7 2.5 12.0 1.8 12.3
Private truck 10.6 1.2 17.9 1.6 29.2 0.7 23.4
Rail 34.8 1.4 27.1 1.0 43.6 2.3 6.2
Water 8.8 2.5 11.1 3.5 13.0 6.8 30.0
Shallow draft 9.8 1.2 8.7 3.7 13.6 6.9 14.3
Great Lakes
Deep draft 33.2 3.0 33.8 5.5 30.5 0.6 S
Air (including truck and air) 27.2 0.2 34.5 27.4 7.6
Pipeline 17.6 2.2 16.5 3.0 S S S
Multiple modes 7.8 0.5 S S S S 4.0
Parcel, USPS or courier 8.1 0.5 7.1 8.3 4.0
Truck and rail 31.0 0.2 37.7 38.7 15.4
Truck and water 40.5 0.2 S S S S 32.8
Rail and water 40.4 0.2 S S S S 22.3
Other Multiple modes S S S S S S S
Other and unknown modes 20.8 0.5 S S 36.8 0.4 21.5

Alabama

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 33.0 47.8 10.4
Single modes 25.8 4.8 33.1 0.3 48.0 0.3 11.6
Truck 19.3 5.4 31.8 15.2 23.1 16.6 7.9
For-hire truck 30.1 6.2 31.4 9.8 30.7 10.0 10.1
Private truck 44.1 8.0 S S S S 13.4
Rail S S S S S S 13.6
Water S S S S S S 29.6
Shallow draft S S S S S S 30.7
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) S S S S S S 28.0
Pipeline S S S
Multiple modes 32.8 4.5 S S S S 11.0
Parcel, USPS or courier 34.7 4.6 S S S S 11.1
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes S S 39.6 0.2 42.5 0.3 19.6

Alaska

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 30.0
Single modes S S S S S S 31.6
Truck
For-hire truck
Private truck
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 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

Arizona

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 44.3 39.8 40.5 1.3
Single modes 46.5 10.7 44.5 11.5 45.5 11.7 2.2
Truck 46.5 10.7 44.5 11.5 45.5 11.7 2.2
For-hire truck 46.8 10.8 S S S S 10.7
Private truck S S S S S S 31.6
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 S S S S S S 1.4
Parcel, USPS or courier S S S S S S 1.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

Arkansas

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 35.7 23.5 8.1
Single modes 18.8 3.0 36.2 1.1 23.8 2.0 8.6
Truck 19.0 3.1 S S 41.5 11.9 8.8
For-hire truck 25.5 7.7 S S 48.0 10.8 13.4
Private truck 17.0 6.6 28.3 3.0 19.3 2.4 9.1
Rail S S S S 46.8 7.3 23.9
Water S S 42.2 11.2 42.5 14.4 23.7
Shallow draft S S 42.2 11.2 42.5 14.4 23.7
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 28.9
Pipeline S S S
Multiple modes 31.2 2.6 S S S S 6.0
Parcel, USPS or courier 37.2 2.4 30.3 34.7 6.1
Truck and rail S S S S S S 26.4
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.1

California

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 41.2 S S S S 1.6
Single modes S S S S S S 4.7
Truck S S 31.4 17.9 32.2 18.4 1.7
For-hire truck S S 31.4 17.8 32.2 18.4 1.7
Private truck S S S S S S 18.3
Rail 48.1 1.2 S S S S 23.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 3.9
Pipeline S S S
Multiple modes 20.2 8.0 S S S S 1.1
Parcel, USPS or courier 17.0 5.8 27.1 1.9 27.2 1.8 1.1
Truck and rail 46.4 0.3 S S S S 25.9
Truck and water S S S S S S 31.1
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes S S 44.5 6.8 42.7 7.0 11.3

Colorado

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 32.5 S S S S 5.1
Single modes 50.0 12.0 S S S S 15.8
Truck S S S S S S 15.2
For-hire truck S S S S S S 15.2
Private truck S S S S S S 29.9
Rail
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 33.5 12.0 S S S S 4.9
Parcel, USPS or courier 33.5 12.0 S S S S 4.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Connecticut

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 27.0 35.3 35.1 0.6
Single modes 30.3 8.5 39.6 13.8 39.0 13.7 15.0
Truck 31.3 8.7 39.4 13.7 38.8 13.6 18.3
For-hire truck 32.4 8.2 39.2 13.5 38.8 13.4 18.3
Private truck S S S S S S 29.8
Rail
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 29.8 8.4 38.4 13.6 39.2 13.4 0.9
Parcel, USPS or courier 29.8 8.4 38.4 13.6 39.2 13.4 0.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Delaware

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 39.9 S S S S 1.4
Single modes S S S S S S 15.0
Truck S S S S S S 15.0
For-hire truck S S S S S S 15.0
Private truck
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 10.6
Parcel, USPS or courier 48.8 16.0 43.5 13.9 43.5 13.8 14.9
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

District of Columbia

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 49.2 25.8
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 49.2 25.8
Parcel, USPS or courier S S S S 49.2 25.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

Florida

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 9.4 33.6 33.8 2.5
Single modes 12.2 4.3 33.9 0.3 34.1 0.3 5.0
Truck 16.3 6.6 35.6 12.4 38.0 12.0 5.1
For-hire truck 16.9 6.9 38.7 10.3 39.8 10.6 5.0
Private truck 33.3 1.6 29.4 3.6 29.2 2.7 14.9
Rail 36.2 2.6 S S S S 21.7
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) S S 39.1 40.3 18.4
Pipeline S S S
Multiple modes 24.0 4.4 27.1 0.2 27.1 0.3 3.0
Parcel, USPS or courier 24.0 4.4 27.1 0.2 27.1 0.3 3.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 24.1

Georgia

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 49.6 30.1 31.7 2.1
Single modes S S 30.5 0.6 32.1 0.5 3.2
Truck S S 28.4 5.8 29.9 6.4 2.8
For-hire truck S S 31.5 4.1 33.5 4.4 2.6
Private truck 32.4 4.0 38.7 4.0 37.5 4.0 3.8
Rail 34.5 5.0 39.4 5.8 39.2 6.4 2.8
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) 40.7 S S 49.2 21.6
Pipeline S S S
Multiple modes 29.8 8.4 S S S S 2.1
Parcel, USPS or courier 30.5 8.4 29.2 0.2 29.0 0.2 2.1
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 49.4 0.3 48.6 0.2 23.7

Hawaii

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes S S S S S S 29.8
Single modes S S S S S S 31.6
Truck
For-hire truck
Private truck
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 29.8
Parcel, USPS or courier S S S S S S 31.6
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes

Idaho

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 27.8 30.7 4.4
Single modes 30.1 2.6 32.1 8.5 35.7 8.9 5.4
Truck 28.9 14.5 37.6 16.1 37.4 16.5 15.3
For-hire truck 24.1 14.3 42.5 15.3 41.3 15.5 15.3
Private truck S S S S S S 29.8
Rail S S S S S S 23.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.8
Pipeline S S S
Multiple modes S S S S S S 15.4
Parcel, USPS or courier 37.1 0.7 S S S S 18.5
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

Illinois

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 7.7 7.1 7.1 2.1
Single modes 7.9 4.4 14.0 7.9 13.2 7.8 2.2
Truck 16.2 4.4 47.6 1.8 47.7 1.4 1.0
For-hire truck 21.5 4.2 48.7 1.8 48.6 1.4 0.9
Private truck 42.6 2.5 43.1 42.6 18.8
Rail 49.8 1.2 S S S S 21.3
Water 14.8 6.7 14.1 7.4 13.1 7.3 2.3
Shallow draft 14.8 6.7 14.1 7.4 13.1 7.3 2.3
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.1
Pipeline S S S S S S S
Multiple modes 25.0 4.4 36.1 7.9 36.0 7.8 2.6
Parcel, USPS or courier 33.1 1.7 27.7 27.6 2.7
Truck and rail S S S S S S 31.6
Truck and water 43.1 4.1 S S S S 25.9
Rail and water S S S S S S 27.9
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 21.2

Indiana

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 18.1 12.7 14.1 4.9
Single modes 19.3 6.0 17.4 9.3 18.4 9.0 4.9
Truck 37.9 7.3 24.0 1.1 24.2 1.1 1.7
For-hire truck 40.4 7.1 25.4 1.1 26.4 1.1 1.8
Private truck 36.1 1.2 S S S S 15.7
Rail 40.7 4.8 46.5 8.5 46.3 8.5 21.2
Water 23.1 8.7 22.4 12.3 23.1 12.5 15.0
Shallow draft 23.1 8.7 22.4 12.3 23.1 12.5 15.0
Great Lakes
Deep draft
Air (including truck and air) S S 49.2 43.4 33.3
Pipeline S S S
Multiple modes S S S S S S 5.5
Parcel, USPS or courier 23.2 1.9 38.4 38.0 5.5
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 28.2

Iowa

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 23.2 16.0 15.8 2.6
Single modes 24.4 2.9 16.3 3.0 16.0 3.3 1.5
Truck 22.1 4.0 25.2 0.7 25.6 0.6 2.0
For-hire truck 22.5 4.0 25.3 0.7 25.8 0.6 2.0
Private truck S S S S S S 29.8
Rail S S S S S S 1.4
Water 17.7 9.2 19.6 10.7 19.1 10.8 10.6
Shallow draft 17.7 9.2 19.6 10.7 19.1 10.8 10.6
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 2.5
Parcel, USPS or courier 29.2 1.1 35.4 35.2 2.3
Truck and rail
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Kansas

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 26.6 45.2 49.0 4.1
Single modes 28.8 5.7 48.1 9.1 S S 6.6
Truck 34.2 10.4 S S S S 4.1
For-hire truck 42.5 10.0 S S S S 4.2
Private truck S S 37.2 6.3 39.4 6.4 15.1
Rail S S S S S S 26.0
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 21.3
Pipeline S S S
Multiple modes 32.9 3.3 38.2 0.4 38.6 0.4 3.3
Parcel, USPS or courier 32.9 3.3 38.2 0.4 38.6 0.4 3.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

Kentucky

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 31.3 33.5 1.9
Single modes 32.4 5.6 32.4 2.3 34.6 2.5 2.3
Truck 48.0 11.6 33.8 5.7 35.5 5.7 2.6
For-hire truck S S 41.6 5.3 43.5 5.3 2.9
Private truck S S S S S S 18.5
Rail S S S S S S 27.9
Water 41.6 10.4 40.4 13.1 41.0 13.5 14.9
Shallow draft 41.6 10.4 40.4 13.1 41.0 13.5 14.9
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.0
Pipeline S S S
Multiple modes 21.8 5.7 S S S S 1.5
Parcel, USPS or courier 20.2 5.3 19.0 19.7 1.5
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 S S S S S S 29.9

Louisiana

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 4.4 8.7 13.2 11.4
Single modes 4.2 1.0 9.2 2.3 13.6 0.9 19.8
Truck 8.5 2.6 22.2 4.4 20.2 4.7 20.1
For-hire truck 16.6 2.1 30.0 3.6 32.1 3.4 11.4
Private truck 9.2 1.7 19.1 1.5 14.3 2.1 13.8
Rail 17.7 0.5 17.1 0.1 16.5 0.5 19.2
Water 14.6 4.1 18.8 6.7 16.9 5.8 S
Shallow draft 22.7 3.3 22.8 4.8 25.8 6.7 36.2
Great Lakes
Deep draft 33.5 5.5 34.0 9.0 33.8 8.5 S
Air (including truck and air) S S S S S S 31.7
Pipeline 18.0 4.3 16.9 5.2 S S S
Multiple modes 20.2 0.4 35.5 S S 7.2
Parcel, USPS or courier 20.3 0.4 17.7 16.3 7.3
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 S S S S S S 31.6
Other and unknown modes 32.5 0.8 S S 47.0 0.9 22.2

Maine

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 2.0
Single modes S S S S S S 15.0
Truck S S S S S S 15.0
For-hire truck 41.8 17.7 S S S S 14.9
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 45.4 11.5 44.0 11.5 10.9
Parcel, USPS or courier S S 45.4 11.5 44.0 11.5 10.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

Maryland

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 38.1 38.0 1.0
Single modes S S 39.2 8.1 39.1 8.2 1.9
Truck S S 39.2 8.1 39.1 8.2 1.3
For-hire truck S S 41.9 8.6 41.8 8.7 1.2
Private truck S S S S S S 29.8
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 29.5 11.8 35.3 8.1 36.2 8.2 1.2
Parcel, USPS or courier 29.5 11.8 35.3 8.1 36.2 8.2 1.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

Massachusetts

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 22.6 39.3 39.4 0.4
Single modes 34.6 8.8 39.5 9.1 39.8 9.0 0.9
Truck 36.1 8.8 39.7 9.1 40.0 9.0 0.9
For-hire truck 42.9 9.4 31.3 9.9 31.5 10.0 0.9
Private truck S S S S S S 29.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.8
Pipeline S S S
Multiple modes 27.2 8.4 31.3 9.2 31.6 9.1 0.4
Parcel, USPS or courier 27.2 8.4 31.3 9.2 31.6 9.1 0.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

Michigan

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 24.2 15.1 14.5 0.9
Single modes 29.9 7.4 19.8 7.4 19.3 7.6 1.5
Truck 34.5 9.4 27.8 11.4 27.4 11.6 1.3
For-hire truck 37.8 8.6 27.4 10.2 27.1 10.3 1.4
Private truck S S S S S S 18.3
Rail S S 45.5 10.5 46.2 10.9 21.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 16.6
Pipeline S S S
Multiple modes 29.0 6.7 39.6 5.6 40.0 5.8 0.8
Parcel, USPS or courier 42.6 6.5 39.1 0.5 39.3 0.5 0.7
Truck and rail 50.0 6.3 47.9 5.8 47.8 6.0 23.6
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 31.6

Minnesota

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 13.8 20.8 21.2 1.8
Single modes 15.2 3.0 20.8 0.1 21.2 0.1 2.9
Truck 31.2 7.4 S S S S 2.8
For-hire truck 32.3 7.6 S S S S 3.0
Private truck S S S S S S 25.9
Rail S S S S S S 29.8
Water 20.4 8.9 21.2 10.4 21.6 10.4 10.6
Shallow draft 20.4 8.9 21.2 10.4 21.6 10.4 10.6
Great Lakes
Deep draft
Air (including truck and air) 47.2 0.2 18.1 17.9 10.6
Pipeline S S S
Multiple modes 28.9 2.9 29.4 0.1 29.9 0.1 2.2
Parcel, USPS or courier 28.9 2.9 29.4 0.1 29.9 0.1 2.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Mississippi

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 14.1 25.5 28.0 5.7
Single modes 14.1 1.0 25.7 0.6 28.1 0.4 6.7
Truck 17.1 4.7 19.2 10.8 13.3 11.6 6.1
For-hire truck 23.9 8.3 25.9 6.9 15.9 6.9 10.0
Private truck 28.0 7.6 16.1 6.4 13.8 5.3 3.7
Rail 39.9 1.2 42.1 4.4 43.6 5.9 18.6
Water S S S S S S 25.9
Shallow draft S S S S S S 25.9
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 30.1
Pipeline S S S
Multiple modes 49.5 1.0 S S S S 11.5
Parcel, USPS or courier 36.0 0.4 37.5 35.0 11.3
Truck and rail S S S S S S 29.8
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 22.4

Missouri

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 34.6 36.9 2.6
Single modes 21.4 2.2 35.6 3.5 38.3 3.8 6.1
Truck 20.0 10.4 33.2 14.4 31.3 15.2 3.7
For-hire truck 20.3 10.0 40.9 12.6 38.4 13.3 2.7
Private truck S S S S S S 16.8
Rail 45.4 1.9 42.6 7.2 43.3 6.6 25.9
Water 40.9 10.8 40.5 19.6 S S 18.5
Shallow draft 40.9 10.8 40.5 19.6 S S 18.5
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.6
Pipeline S S S
Multiple modes 42.3 2.3 S S S S 2.4
Parcel, USPS or courier 42.3 2.3 S S S S 2.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 24.2

Montana

Mode of transportation Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All modes 28.5 S S S S 2.3
Single modes 46.0 14.1 S S S S 18.3
Truck S S S S S S 21.1
For-hire truck S S S S S S 25.9
Private truck S S S S S S 29.8
Rail S S S S S S 29.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes 44.6 14.1 49.3 19.3 S S 10.8
Parcel, USPS or courier 44.6 14.1 49.3 19.3 S S 10.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

Nebraska

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 24.7 40.1 41.1 1.1
Single modes 27.8 6.2 40.2 3.0 41.3 3.1 2.6
Truck 30.9 7.1 S S S S 2.5
For-hire truck 30.7 7.0 S S S S 2.5
Private truck S S S S S S 31.6
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 31.6
Pipeline S S S
Multiple modes 43.3 6.2 24.5 3.0 24.9 3.1 1.4
Parcel, USPS or courier 43.3 6.2 24.5 3.0 24.9 3.1 1.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

Nevada

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 38.0 39.3 4.4
Single modes S S 39.1 11.3 40.2 11.1 6.6
Truck S S 40.0 14.0 40.3 14.5 4.7
For-hire truck S S 40.0 14.0 40.3 14.5 4.7
Private truck
Rail 41.2 8.7 S S S S 23.7
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 45.1 13.2 S S S S 11.6
Parcel, USPS or courier 45.1 13.2 S S S S 11.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

New Hampshire

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 28.7 44.9 45.1 0.9
Single modes 41.6 10.2 49.2 7.4 49.4 7.4 1.1
Truck 41.7 10.3 49.3 7.4 49.5 7.4 1.0
For-hire truck 41.8 10.2 48.9 7.2 49.1 7.2 1.0
Private truck S S S S S S 29.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 49.5 0.1 S S S S 25.8
Pipeline S S S
Multiple modes 29.6 10.2 24.2 7.4 24.3 7.4 1.0
Parcel, USPS or courier 29.6 10.2 24.2 7.4 24.3 7.4 1.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

New Jersey

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 45.8 S S S S 1.2
Single modes 32.8 11.9 S S S S 1.6
Truck 40.9 10.3 35.8 16.7 35.3 17.8 0.8
For-hire truck 41.8 10.1 37.0 15.0 36.4 15.9 1.0
Private truck S S S S S S 23.6
Rail 47.0 5.7 38.7 10.3 38.9 11.0 23.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 18.3
Pipeline S S S
Multiple modes S S S S S S 1.2
Parcel, USPS or courier S S 34.3 2.5 34.3 2.7 1.2
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes S S S S S S 29.8
Other and unknown modes S S S S S S 29.8

New Mexico

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 44.8 40.8 41.9 6.0
Single modes S S 39.5 14.2 40.5 14.2 17.2
Truck S S 38.2 14.7 37.6 15.3 15.5
For-hire truck S S S S 49.1 15.0 23.7
Private truck S S S S S S 25.9
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 29.8
Pipeline S S S
Multiple modes 45.9 12.5 S S S S 18.9
Parcel, USPS or courier 47.5 12.5 41.9 14.8 40.0 14.8 19.1
Truck and rail
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes S S S S S S 31.6

New York

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 1.0
Single modes 41.0 7.8 S S S S 1.5
Truck S S 33.3 16.2 32.1 16.1 1.7
For-hire truck S S 34.0 16.1 32.8 16.1 1.7
Private truck S S S S S S 25.9
Rail 38.7 4.3 39.8 8.4 40.3 8.2 18.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 44.1 0.8 45.1 42.6 15.2
Pipeline S S S S S S S
Multiple modes 27.7 8.1 38.0 4.3 37.6 4.3 0.9
Parcel, USPS or courier 27.7 8.1 38.0 4.3 37.6 4.3 0.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.0

North Carolina

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 17.8 29.8 30.2 2.7
Single modes 19.9 3.7 31.3 3.1 31.6 2.8 2.2
Truck 20.6 5.4 30.5 6.0 30.1 6.5 1.7
For-hire truck 23.9 7.9 31.9 7.8 31.2 7.9 1.7
Private truck 46.5 5.6 S S S S 21.1
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 21.3
Pipeline S S S
Multiple modes 37.8 3.8 25.3 1.1 27.7 1.1 3.2
Parcel, USPS or courier 39.0 3.8 26.7 1.1 29.3 1.1 3.2
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 23.8

North Dakota

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 S S S S 11.1
Single modes 32.7 12.0 35.6 16.4 35.6 18.3 15.4
Truck S S S S S S 21.2
For-hire truck S S S S S S 21.1
Private truck S S S S S S 25.9
Rail S S 49.6 13.8 S S 25.8
Water
Shallow draft
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 S S S S S S 31.6
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Ohio

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 35.7 36.7 1.8
Single modes S S 37.3 10.0 38.1 10.5 3.6
Truck 16.2 11.2 19.1 16.3 19.2 16.4 1.3
For-hire truck 17.5 10.8 20.5 14.9 20.8 15.1 1.3
Private truck 46.3 0.8 49.5 2.5 S S 18.5
Rail S S S S S S 23.7
Water 43.4 8.2 48.3 18.1 48.2 19.2 25.8
Shallow draft 43.4 8.2 48.3 18.1 48.2 19.2 25.8
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 16.0
Pipeline S S S
Multiple modes 21.7 9.0 46.2 1.9 50.0 1.8 1.6
Parcel, USPS or courier 19.8 8.9 21.9 1.9 21.4 1.8 1.6
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 25.9

Oklahoma

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 16.0 20.8 20.8 5.0
Single modes 17.7 3.0 21.0 0.7 21.0 0.7 4.5
Truck 24.0 6.0 22.6 12.1 23.6 12.9 3.1
For-hire truck 15.3 4.4 24.5 7.9 25.8 7.9 3.3
Private truck 49.8 5.5 36.4 5.0 34.7 5.8 4.7
Rail 46.7 5.7 S S S S 23.8
Water 32.6 2.5 31.8 12.8 31.6 14.3 21.1
Shallow draft 32.6 2.5 31.8 12.8 31.6 14.3 21.1
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.8
Pipeline S S S
Multiple modes 19.8 3.0 29.3 0.6 30.5 0.6 4.7
Parcel, USPS or courier 19.8 3.0 29.3 0.6 30.5 0.6 4.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 23.9

Oregon

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 26.9 42.2 44.1 1.3
Single modes 35.0 9.4 47.5 11.8 49.3 11.9 1.8
Truck 36.6 8.4 S S S S 0.6
For-hire truck 37.0 8.9 S S S S 0.7
Private truck S S S S S S 31.6
Rail S S S S S S 28.0
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 21.1 10.5 S S S S 2.1
Parcel, USPS or courier 23.3 9.3 34.2 4.0 34.1 4.0 2.1
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 29.8

Pennsylvania

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 22.9 S S S S 1.0
Single modes 27.0 6.1 S S S S 1.6
Truck 32.6 9.3 S S S S 1.2
For-hire truck 34.1 9.4 S S S S 1.3
Private truck S S S S S S 29.8
Rail S S S S S S 25.8
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) S S 49.1 48.4 18.6
Pipeline S S S
Multiple modes 32.7 6.2 47.0 2.5 47.8 2.6 1.3
Parcel, USPS or courier 32.9 6.3 20.0 0.9 20.9 1.0 1.3
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 27.9

Rhode Island

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 0.8
Single modes S S S S S S 18.3
Truck S S S S S S 18.3
For-hire truck S S S S S S 18.3
Private truck
Rail
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 38.9 17.0 S S S S 0.8
Parcel, USPS or courier 38.9 17.0 S S S S 0.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

South Carolina

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 26.0 29.9 2.3
Single modes 37.1 2.8 25.9 0.5 29.9 0.6 4.1
Truck 38.3 4.8 24.6 7.0 25.2 8.7 3.2
For-hire truck 21.7 10.0 24.5 6.2 25.0 7.7 3.8
Private truck S S S S S S 23.6
Rail S S S S S S 28.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.9
Pipeline S S S
Multiple modes 37.5 2.8 35.4 0.6 35.4 0.6 2.6
Parcel, USPS or courier 37.5 2.8 35.4 0.6 35.4 0.6 2.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

South Dakota

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 46.0 S S S S 2.9
Single modes S S S S S S 15.1
Truck S S S S S S 15.1
For-hire truck S S S S S S 18.3
Private truck S S S S S S 31.6
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 S S 42.6 15.6 42.8 15.4 3.2
Parcel, USPS or courier S S 42.6 15.6 42.8 15.4 3.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Tennessee

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 15.0 28.9 29.9 3.7
Single modes 16.1 2.4 29.2 1.0 30.3 1.1 7.2
Truck 18.8 6.1 18.3 9.2 15.0 9.5 3.0
For-hire truck 25.0 7.2 14.0 8.5 12.4 8.6 3.0
Private truck 25.4 3.8 35.2 1.9 30.2 1.7 6.4
Rail 42.0 2.6 S S S S 14.6
Water 33.0 2.5 31.9 12.6 32.0 13.4 19.0
Shallow draft 33.0 2.5 31.9 12.6 32.0 13.4 19.0
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.5
Pipeline S S S
Multiple modes 21.9 2.4 43.4 0.7 S S 3.5
Parcel, USPS or courier 25.9 2.2 43.0 0.2 43.0 0.1 3.5
Truck and rail S S S S S S 30.1
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 47.5 0.5 S S 47.3 0.5 25.1

Texas

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 17.2 29.5 27.0 3.3
Single modes 19.4 2.3 30.0 0.8 27.5 0.9 3.8
Truck 20.7 3.5 37.6 8.5 34.1 7.6 4.0
For-hire truck 16.3 5.8 16.7 8.3 15.9 8.3 4.4
Private truck 44.2 6.0 S S S S 6.0
Rail 40.9 2.6 42.2 4.5 40.8 4.8 8.2
Water 20.9 0.5 S S 40.9 6.3 25.9
Shallow draft 21.0 0.5 S S 42.5 6.4 18.1
Great Lakes
Deep draft S S S S S S 31.6
Air (including truck and air) 40.5 0.3 29.1 33.8 19.6
Pipeline S S S S S S S
Multiple modes 13.9 2.1 S S S S 4.3
Parcel, USPS or courier 15.2 2.2 21.6 0.1 22.7 0.2 4.3
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 42.8 0.9 40.2 0.4 39.2 0.4 22.7

Utah

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 45.6 S S S S 1.3
Single modes S S S S S S 11.1
Truck S S S S S S 10.7
For-hire truck S S S S S S 10.7
Private truck
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.8
Pipeline S S S
Multiple modes 22.1 12.6 26.4 15.4 26.9 15.3 1.2
Parcel, USPS or courier 22.1 12.6 26.4 15.4 26.9 15.3 1.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Vermont

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 38.8 S S S S 1.5
Single modes 42.9 14.3 S S S S 18.3
Truck 43.6 14.7 S S S S 21.1
For-hire truck 44.2 14.5 S S S S 23.6
Private truck S S S S S S 27.9
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 1.9
Parcel, USPS or courier S S S S S S 1.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

Virginia

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 42.3 S S S S 2.7
Single modes 47.2 5.6 S S S S 3.1
Truck 49.7 7.1 S S S S 2.1
For-hire truck S S S S S S 2.4
Private truck S S 48.9 10.7 48.6 10.7 21.2
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 45.2 0.2 43.9 0.2 23.7
Pipeline S S S
Multiple modes 26.8 5.5 33.4 2.6 35.3 2.6 3.0
Parcel, USPS or courier 26.8 5.5 33.4 2.6 35.3 2.6 3.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

Washington

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 44.3 43.8 1.6
Single modes S S 46.3 10.7 45.9 10.7 2.6
Truck S S S S S S 1.7
For-hire truck S S S S S S 1.7
Private truck
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 23.7
Pipeline S S S
Multiple modes 43.3 12.6 S S S S 1.5
Parcel, USPS or courier 28.1 10.5 49.4 2.1 49.1 2.0 1.5
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 25.8

West Virginia

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 23.5 21.3 22.2 2.7
Single modes 25.2 8.6 21.4 0.7 22.4 0.6 3.9
Truck 27.4 9.5 24.9 10.2 24.3 11.1 2.5
For-hire truck 21.9 9.4 24.9 10.5 24.3 11.3 2.5
Private truck S S S S S S 25.8
Rail 42.3 5.4 41.6 10.1 42.4 11.0 25.9
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 37.8 8.6 S S S S 3.9
Parcel, USPS or courier 37.8 8.6 S S S S 3.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

Wisconsin

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 38.9 S S S S 4.0
Single modes 48.0 6.8 S S S S 1.5
Truck 22.0 10.0 18.0 20.0 18.3 19.8 1.7
For-hire truck 25.0 10.0 22.3 15.5 23.0 15.0 1.9
Private truck S S S S S S 21.2
Rail S S S S S S 24.0
Water S S S S S S 29.8
Shallow draft S S S S S S 29.8
Great Lakes
Deep draft
Air (including truck and air) 36.5 0.4 S S 49.4 21.2
Pipeline S S S
Multiple modes 34.2 6.2 25.4 2.2 25.1 2.2 4.3
Parcel, USPS or courier 35.4 6.3 27.9 1.7 26.8 1.5 4.3
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

Wyoming

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 6.4
Single modes S S S S S S 11.6
Truck S S S S S S 25.8
For-hire truck S S S S S S 27.9
Private truck S S S S S S 31.6
Rail S S S S S S 15.2
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 11.9
Parcel, USPS or courier S S S S S S 11.8
Truck and rail
Truck and water
Rail and water S S S S S S 31.6
Other Multiple modes
Other and unknown modes

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

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

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