Table B-13 - Estimated Measures of Reliability for Shipment Characteristics by Destination and Mode of Transportation for State of Origin: 2002

Table B-13 - Estimated Measures of Reliability for Shipment Characteristics by Destination 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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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 19.6 23.8 9.2 12.0
Single modes 23.2 3.2 25.9 2.4 10.8 1.8 22.9
Truck 7.7 6.0 36.8 6.4 8.5 3.1 10.6
For-hire truck 5.5 3.6 9.2 3.5 8.0 2.6 14.6
Private truck 14.3 3.1 48.9 6.3 14.8 1.0 11.9
Rail 17.9 0.8 25.9 2.6 25.6 4.8 8.3
Water 40.9 0.8 S S 47.1 3.2 16.7
Shallow draft S S S S S S 15.9
Great Lakes
Deep draft 34.9 0.2 S S 41.9 1.0 15.9
Air (including truck and air) S S 37.3 S S 4.8
Pipeline 9.0 0.6 11.7 1.4 S S S
Multiple modes 17.7 3.1 16.3 0.2 18.8 1.7 9.9
Parcel, USPS or courier 18.3 3.0 19.7 26.6 0.3 10.2
Truck and rail 31.6 0.2 23.5 0.2 22.3 1.4 4.7
Truck and water 27.1 0.1 32.9 35.9 1.0 6.1
Rail and water
Other Multiple modes S S S S S S 49.0
Other and unknown modes 27.8 0.4 27.1 2.4 17.8 0.5 S

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 28.7 46.9 46.4 1.2
Single modes 29.9 11.5 48.1 11.1 47.5 11.4 2.4
Truck 41.9 11.3 48.4 16.8 48.6 16.9 1.5
For-hire truck 41.9 11.3 48.4 16.8 48.6 16.9 1.5
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 25.9
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 S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 26.1 29.7 38.2 12.1
Single modes 24.4 9.5 26.5 9.7 31.5 7.9 19.8
Truck 26.4 7.5 30.3 9.7 31.8 6.3 11.1
For-hire truck 35.4 6.4 24.5 6.4 25.2 4.1 16.1
Private truck 39.6 2.0 47.0 5.5 47.2 3.1 12.7
Rail
Water 50.0 7.4 47.7 5.1 S S 15.2
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft S S S S S S 14.2
Air (including truck and air) 35.1 0.7 48.6 0.1 S S 12.6
Pipeline S S S
Multiple modes 35.5 8.4 44.3 7.9 44.3 6.9 11.5
Parcel, USPS or courier S S S S S S 22.2
Truck and rail
Truck and water 32.8 8.5 44.6 8.0 44.3 7.0 4.7
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 28.3

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 20.4 21.8 22.1 1.4
Single modes 26.4 5.7 22.4 2.6 22.7 2.6 3.5
Truck 23.4 8.6 23.6 11.2 23.9 11.4 1.6
For-hire truck 21.2 7.9 20.7 10.1 21.1 10.2 1.6
Private truck S S 49.6 2.5 49.5 2.4 23.6
Rail 34.8 4.2 37.6 12.2 37.2 12.3 15.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 15.5
Pipeline S S S
Multiple modes 26.0 6.0 38.9 2.6 40.9 2.6 1.4
Parcel, USPS or courier 27.9 5.9 38.9 0.2 37.4 0.2 1.4
Truck and rail 44.9 1.0 43.5 2.6 44.7 2.5 25.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 32.8 49.6 48.4 2.5
Single modes 36.7 13.8 S S S S 11.1
Truck 37.2 13.7 S S S S 15.0
For-hire truck 37.1 13.4 S S 47.4 13.8 15.0
Private truck S S S S S S 31.6
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 27.9
Pipeline S S S
Multiple modes S S S S S S 11.0
Parcel, USPS or courier S S S S S S 11.0
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 29.8

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 15.3 20.2 20.0 2.1
Single modes 15.0 4.2 22.0 2.3 22.0 2.7 6.7
Truck 12.3 4.5 14.8 6.8 14.4 7.0 1.7
For-hire truck 11.7 5.9 16.0 6.4 15.7 6.7 1.6
Private truck 39.2 3.5 17.3 1.3 22.1 1.3 4.4
Rail 49.0 1.8 S S 49.3 7.1 2.3
Water S S S S S S 27.9
Shallow draft
Great Lakes
Deep draft S S S S S S 27.9
Air (including truck and air) 31.6 3.6 S S 44.7 0.1 7.5
Pipeline S S S S S S S
Multiple modes 25.6 3.2 25.3 2.3 25.6 2.8 2.8
Parcel, USPS or courier 26.5 3.0 34.5 0.2 34.0 0.2 2.8
Truck and rail 35.2 0.5 27.6 2.3 27.5 2.7 4.0
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes
Other and unknown modes S S 43.1 0.2 41.2 0.2 5.1

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 23.3 23.8 22.7 4.5
Single modes 22.2 7.6 24.8 2.0 23.8 2.2 8.7
Truck 26.1 8.4 42.4 10.9 41.6 10.9 1.9
For-hire truck 26.1 8.4 42.4 10.9 41.6 10.9 1.9
Private truck
Rail 33.0 4.3 39.2 10.8 39.6 10.8 1.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 40.8 1.4 37.9 37.1 0.1 11.7
Pipeline S S S S S S S
Multiple modes 38.9 7.6 31.1 1.8 30.9 2.0 2.5
Parcel, USPS or courier 40.3 7.8 32.2 1.0 32.2 1.0 2.5
Truck and rail 40.7 0.9 S S S S 23.7
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 36.0 0.3 36.1 0.2 23.7

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 31.6 49.8 S S 0.3
Single modes 39.0 9.6 S S S S 10.6
Truck 38.4 9.2 S S S S 10.6
For-hire truck 38.4 9.2 S S S S 10.6
Private truck
Rail S S S S S S 21.1
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 33.2 9.8 41.8 15.5 40.5 15.5 0.3
Parcel, USPS or courier 33.2 9.8 41.8 15.5 40.5 15.5 0.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 40.3 S S S S 10.6
Single modes S S S S S S 23.6
Truck S S S S S S 27.9
For-hire truck S S S S S S 27.9
Private truck
Rail S S S S S S 27.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 15.0
Parcel, USPS or courier S S S S S S 18.3
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 S S 18.3
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 27.9
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 21.1
Parcel, USPS or courier S S S S S S 21.1
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 20.9 45.2 45.3 0.5
Single modes 26.4 9.7 46.6 6.3 46.8 6.3 0.9
Truck 30.4 10.0 44.0 8.1 44.7 8.3 1.3
For-hire truck 31.2 10.3 48.8 8.1 49.5 8.2 1.3
Private truck S S S S S S 31.6
Rail S S S S S S 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 39.7 0.2 39.8 0.2 1.4
Pipeline S S S
Multiple modes 27.2 8.0 16.4 3.8 16.4 3.7 0.6
Parcel, USPS or courier 27.5 8.0 21.8 3.7 22.0 3.6 0.6
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 21.1

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 18.7 17.8 17.6 1.0
Single modes 19.3 8.6 20.8 6.2 20.9 6.5 0.5
Truck 25.8 8.2 21.0 6.6 20.9 6.2 0.9
For-hire truck 25.5 8.2 20.7 6.5 20.5 6.1 0.9
Private truck S S S S S S 31.6
Rail 25.6 2.7 34.0 8.0 33.4 7.9 1.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 15.0
Pipeline S S S
Multiple modes 48.4 7.3 37.8 6.2 39.9 6.5 1.1
Parcel, USPS or courier S S 35.5 2.0 35.4 2.0 1.1
Truck and rail 36.7 1.5 41.7 6.7 43.6 7.0 18.3
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

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 34.7 47.5 48.0 3.4
Single modes 26.4 5.7 S S S S 5.6
Truck
For-hire truck
Private truck
Rail
Water 42.7 4.8 S S S S 18.3
Shallow draft
Great Lakes
Deep draft 42.7 4.8 S S S S 18.3
Air (including truck and air) 28.4 2.7 S S S S 11.0
Pipeline S S S
Multiple modes 40.8 5.2 47.5 3.0 48.2 3.2 2.7
Parcel, USPS or courier 46.3 6.2 33.6 0.3 33.2 0.3 10.9
Truck and rail
Truck and water 46.4 7.1 47.5 3.1 48.3 3.3 1.3
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 25.8

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 11.3 20.4 18.6 10.2
Single modes 10.8 3.1 21.2 2.3 19.1 1.1 31.4
Truck 10.1 3.5 24.0 3.9 21.5 5.5 13.8
For-hire truck 14.3 5.2 18.9 5.9 24.1 5.6 14.9
Private truck 20.2 5.0 40.7 5.4 28.1 4.1 20.5
Rail 28.2 0.7 28.4 3.3 33.8 5.9 7.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 24.4
Pipeline S S S
Multiple modes 30.4 3.2 45.4 0.7 42.0 0.7 7.8
Parcel, USPS or courier 30.4 3.2 45.4 0.7 42.0 0.7 7.8
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 41.2 0.4 S S S S S

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 20.7 15.2 15.2 1.2
Single modes 25.9 7.0 15.3 5.5 15.0 5.6 4.7
Truck 29.7 8.4 34.3 8.3 33.1 8.1 1.3
For-hire truck 29.7 8.4 34.3 8.3 33.1 8.1 1.3
Private truck
Rail 30.1 3.6 21.5 9.3 21.6 9.3 1.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 15.4
Pipeline S S S
Multiple modes 24.1 6.8 S S S S 1.1
Parcel, USPS or courier 32.1 6.0 36.7 0.6 36.0 0.6 1.1
Truck and rail S S S S S S 14.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

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 20.4 17.4 17.2 1.3
Single modes 27.1 10.0 22.2 10.3 21.9 10.5 3.1
Truck 27.8 9.9 25.6 11.4 25.5 11.5 1.5
For-hire truck 27.8 9.9 25.6 11.4 25.5 11.5 1.5
Private truck
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 44.2 0.5 S S S S 24.8
Pipeline S S S
Multiple modes 29.7 9.6 39.2 10.3 39.8 10.5 1.5
Parcel, USPS or courier 40.0 9.5 S S S S 1.5
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 35.4 S S S S 2.8
Single modes 35.1 9.5 S S S S 2.3
Truck 38.0 10.9 47.0 17.1 46.7 17.5 2.6
For-hire truck 38.0 10.9 47.0 17.1 46.7 17.5 2.6
Private truck
Rail 46.9 5.8 S S S S 23.6
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 4.8
Parcel, USPS or courier S S S S S S 4.8
Truck and rail S S S S S S 31.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 27.8 36.4 35.8 1.9
Single modes 27.8 7.9 40.1 5.4 39.6 5.7 4.2
Truck 29.2 8.0 49.9 8.1 49.1 8.4 1.6
For-hire truck 29.2 8.0 49.9 8.1 49.1 8.4 1.6
Private truck
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 35.4 8.5 32.5 5.4 33.1 5.7 1.7
Parcel, USPS or courier 35.5 8.3 40.3 4.8 41.3 5.0 1.7
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 29.8

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 25.3 38.6 38.0 1.4
Single modes 32.5 10.0 40.7 5.8 40.1 5.7 2.8
Truck 44.7 9.3 39.9 10.1 40.1 10.1 1.6
For-hire truck 44.7 9.3 39.9 10.1 40.1 10.1 1.6
Private truck
Rail S S S S S S 25.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.1 12.0 S S S S 12.0
Pipeline S S S
Multiple modes 46.2 10.0 27.0 5.8 27.5 5.7 0.4
Parcel, USPS or courier 46.6 9.5 26.8 5.1 26.4 5.1 0.4
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 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

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 41.4 42.3 42.8 2.2
Single modes 44.0 11.3 43.3 6.3 43.8 6.2 2.1
Truck 45.9 13.5 44.5 11.7 44.6 11.7 10.6
For-hire truck S S 43.1 11.8 43.3 11.7 10.6
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 44.9 10.5 45.4 10.5 25.9
Pipeline S S S
Multiple modes 44.6 11.0 44.1 6.3 44.3 6.2 14.9
Parcel, USPS or courier 44.6 11.0 44.1 6.3 44.3 6.2 14.9
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 20.5 31.7 30.9 0.6
Single modes 19.8 8.7 38.8 7.1 38.2 7.2 2.3
Truck 19.3 9.0 38.9 6.6 38.3 6.8 1.0
For-hire truck 21.6 9.3 38.9 6.6 38.4 6.7 1.0
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 18.5
Pipeline S S S
Multiple modes 31.8 9.2 S S S S 0.4
Parcel, USPS or courier 32.9 9.8 33.5 5.5 34.0 5.5 0.4
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 35.0 27.3 27.1 0.9
Single modes 19.0 11.5 29.7 7.4 29.1 7.5 1.5
Truck 25.6 10.0 37.9 9.9 37.5 9.8 0.7
For-hire truck 25.6 10.0 37.9 9.9 37.5 9.8 0.7
Private truck
Rail 35.0 3.6 38.5 12.3 37.9 12.3 21.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 47.0 2.9 S S S S 15.2
Pipeline S S S
Multiple modes S S S S S S 1.0
Parcel, USPS or courier S S 40.2 2.6 40.4 2.6 1.0
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 26.2 35.6 32.3 1.5
Single modes 37.1 8.7 41.9 9.9 38.6 9.8 2.5
Truck 41.9 7.8 37.6 6.1 35.7 6.1 1.1
For-hire truck 42.7 8.1 38.7 5.4 36.7 5.4 1.1
Private truck 44.6 1.3 S S S S 23.6
Rail 48.1 4.3 33.1 7.2 33.0 7.5 18.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 10.9
Pipeline S S S S S S S
Multiple modes 39.0 8.6 41.1 6.6 41.1 6.5 1.2
Parcel, USPS or courier 40.7 8.7 40.7 1.6 40.0 1.6 1.2
Truck and rail 43.0 0.8 48.5 5.4 48.5 5.5 18.3
Truck and water
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes S S S S S S 18.4

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 24.5 S S S S 2.1
Single modes 30.1 9.2 S S S S 5.4
Truck 31.1 7.6 31.9 17.7 31.5 17.5 1.8
For-hire truck 31.1 7.6 31.9 17.7 31.5 17.5 1.8
Private truck
Rail S S S S S S 21.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 19.5
Pipeline S S S
Multiple modes S S 40.5 5.9 41.7 6.2 1.0
Parcel, USPS or courier S S S S S S 1.0
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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 37.3 48.5 49.5 10.9
Single modes 47.4 13.0 49.1 16.6 50.0 16.5 15.2
Truck S S S S S S 18.3
For-hire truck S S S S S S 18.4
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 27.9
Pipeline S S S
Multiple modes S S 48.3 13.5 48.4 13.3 10.9
Parcel, USPS or courier S S 48.3 13.5 48.4 13.3 10.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 34.7 15.8 15.7 2.7
Single modes 24.0 12.1 17.0 1.6 16.8 1.6 4.5
Truck 31.0 12.2 28.7 9.8 29.9 9.9 2.1
For-hire truck 31.0 12.2 28.7 9.8 29.9 9.9 2.1
Private truck
Rail 30.8 3.2 21.7 8.9 21.6 9.1 10.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.2
Pipeline S S S
Multiple modes S S 27.6 1.6 29.1 1.6 2.3
Parcel, USPS or courier S S 32.8 1.0 33.1 0.9 2.3
Truck and rail 39.8 0.3 39.1 1.2 39.8 1.2 23.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 13.4 23.0 26.8 14.5
Single modes 14.7 3.1 22.8 7.8 29.8 8.4 25.4
Truck 15.0 3.3 25.5 9.0 33.4 10.5 7.0
For-hire truck 21.5 4.3 42.5 9.3 48.6 9.5 8.1
Private truck 15.4 2.6 30.7 8.5 23.7 8.9 7.9
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 31.6
Pipeline S S S
Multiple modes 25.3 3.1 S S 43.3 0.7 10.0
Parcel, USPS or courier 25.3 3.1 S S 43.3 0.7 10.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.0

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 22.0 S S S S 2.9
Single modes 31.0 12.7 S S S S 12.8
Truck 31.2 12.9 S S S S 10.7
For-hire truck 31.2 12.9 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 42.2 12.7 S S S S 3.0
Parcel, USPS or courier 42.2 12.7 S S S S 3.0
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 30.0 35.8 34.4 4.2
Single modes 26.6 10.2 37.5 4.5 35.7 4.2 6.0
Truck 33.1 9.1 25.2 12.3 26.4 12.9 5.5
For-hire truck 36.1 7.3 25.2 9.9 26.8 10.1 5.2
Private truck S S S S S S 29.8
Rail S S S S S S 21.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.9
Pipeline S S S
Multiple modes 44.4 10.2 45.9 4.5 44.2 4.2 5.6
Parcel, USPS or courier 44.4 10.2 45.9 4.5 44.2 4.2 5.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 28.4 35.7 35.2 1.2
Single modes 36.9 15.5 S S S S 10.6
Truck S S S S S S 25.8
For-hire truck S S S S S S 25.8
Private truck
Rail S S S S S S 25.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.8
Pipeline S S S
Multiple modes 38.5 15.5 S S S S 10.7
Parcel, USPS or courier 38.8 16.0 48.9 18.2 48.9 18.1 15.0
Truck and rail S S S S S S 31.6
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 25.2 14.1 13.8 0.6
Single modes 27.0 7.8 14.0 1.9 13.7 2.1 1.0
Truck 30.2 9.9 25.2 11.1 25.4 11.1 0.4
For-hire truck 30.2 9.9 25.2 11.1 25.4 11.1 0.4
Private truck
Rail 37.7 10.1 32.4 11.9 32.1 12.0 18.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 44.1 0.2 43.8 0.2 18.4
Pipeline S S S
Multiple modes 34.4 8.0 41.6 1.9 43.1 2.1 0.8
Parcel, USPS or courier 34.9 7.9 47.6 0.4 47.5 0.4 0.8
Truck and rail 42.5 0.6 S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 49.1 0.1 48.8 0.1 25.8

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 31.3 34.9 35.1 1.2
Single modes 39.8 10.3 35.7 10.2 35.9 10.2 3.8
Truck 42.4 10.9 35.8 10.8 36.0 11.1 2.3
For-hire truck 44.2 11.8 38.9 14.4 39.3 14.4 15.0
Private truck S S S S S S 21.2
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.3 2.3 47.1 0.8 47.2 1.1 25.8
Pipeline S S S
Multiple modes 45.8 10.3 39.3 10.2 39.9 10.2 1.3
Parcel, USPS or courier 45.8 10.3 39.3 10.2 39.9 10.2 1.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 24.6 39.1 39.3 0.7
Single modes 24.2 9.2 33.0 8.3 32.1 8.7 0.8
Truck 29.4 10.1 41.3 5.6 40.6 5.5 1.4
For-hire truck 29.4 10.1 40.8 4.7 40.0 4.6 1.4
Private truck S S S S S S 31.6
Rail 39.1 1.3 46.7 9.9 47.6 10.0 21.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 3.1
Pipeline S S S
Multiple modes 24.5 7.5 S S S S 0.8
Parcel, USPS or courier 23.7 7.8 43.3 3.5 43.1 3.7 0.8
Truck and rail S S S S S S 19.7
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S 49.4 1.2 48.4 1.3 23.6

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 26.4 23.3 23.4 0.7
Single modes 39.0 8.9 27.3 5.8 27.5 5.9 0.7
Truck 44.1 8.6 31.5 10.2 31.9 10.4 1.2
For-hire truck 44.4 8.7 31.5 10.2 31.9 10.4 1.3
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 14.9
Pipeline S S S
Multiple modes 28.6 9.5 36.3 5.6 35.3 5.5 0.8
Parcel, USPS or courier 28.8 9.5 39.9 5.7 38.8 5.7 0.8
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 27.3 S S S S 3.3
Single modes 48.2 11.6 S S S S 17.4
Truck S S S S S S 15.1
For-hire truck S S S S S S 15.1
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 29.8
Pipeline S S S
Multiple modes 37.1 11.6 S S S S 3.1
Parcel, USPS or courier 37.1 11.6 S S S S 3.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 34.4 36.8 36.5 1.3
Single modes 32.3 9.0 40.4 7.9 40.4 8.1 2.5
Truck 33.8 9.2 42.9 9.5 42.0 9.5 0.7
For-hire truck 33.8 9.2 42.9 9.5 42.0 9.5 0.7
Private truck
Rail S S S S S S 23.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 11.3
Pipeline S S S
Multiple modes S S S S S S 1.1
Parcel, USPS or courier S S S S S S 1.1
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 48.7 3.5 S S S S 23.6

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 32.3 44.4 45.0 4.9
Single modes S S S S S S 5.9
Truck S S 39.5 10.7 40.5 10.7 10.6
For-hire truck S S 39.5 10.7 40.5 10.7 10.6
Private truck
Rail 45.0 4.5 S S S S 18.3
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 41.0 11.3 S S S S 5.0
Parcel, USPS or courier 46.1 11.4 24.7 2.1 23.5 2.6 5.1
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 46.1 6.3 43.0 1.8 43.8 1.9 25.9

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 10.9 44.3 29.1 10.7
Single modes 11.3 2.6 44.4 0.5 29.3 0.6 20.6
Truck 12.3 4.6 11.2 10.4 12.1 8.6 9.5
For-hire truck 17.4 3.4 18.0 8.7 18.8 7.7 7.3
Private truck 15.2 4.1 25.6 4.6 28.5 3.3 14.3
Rail 31.0 0.7 S S S S 11.9
Water 45.3 1.2 S S S S S
Shallow draft 43.4 0.9 S S S S 46.6
Great Lakes
Deep draft S S S S S S S
Air (including truck and air) 32.6 0.2 S S S S 26.6
Pipeline 23.8 4.0 27.8 8.6 S S S
Multiple modes 24.8 2.5 12.6 0.2 17.8 0.3 7.1
Parcel, USPS or courier 25.0 2.6 24.2 0.1 31.6 0.2 7.1
Truck and rail 41.5 41.0 39.3 26.1
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 42.8 0.4 S S S S 11.8

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 17.8 22.3 22.2 0.8
Single modes 20.6 6.2 26.1 7.3 26.4 7.6 1.7
Truck 25.0 7.5 18.4 5.9 17.8 6.0 0.9
For-hire truck 25.0 7.5 18.4 5.9 17.8 6.0 0.9
Private truck
Rail 47.1 5.3 37.9 8.4 38.0 8.5 14.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 48.0 5.0 S S S S 2.4
Pipeline S S S
Multiple modes 32.1 6.5 37.7 7.4 39.5 7.6 1.0
Parcel, USPS or courier 31.6 6.0 32.5 1.7 32.0 1.5 1.0
Truck and rail S S 48.0 7.0 48.8 7.3 21.1
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 49.3 S S S S 0.9
Single modes S S S S S S 23.6
Truck S S S S S S 25.8
For-hire truck S S S S S S 25.8
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 1.0
Parcel, USPS or courier S S S S S S 1.0
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 27.7 23.8 23.9 2.5
Single modes 37.2 13.4 31.0 13.4 31.0 13.4 5.6
Truck 39.0 13.2 32.6 11.5 32.5 11.4 1.1
For-hire truck 39.0 13.2 32.6 11.5 32.5 11.4 1.1
Private truck
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 18.8
Pipeline S S S
Multiple modes 48.1 13.4 S S S S 2.0
Parcel, USPS or courier 46.3 12.9 40.2 8.7 40.8 8.6 2.0
Truck and rail S S S S S S 27.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 42.6 33.7 34.3 9.9
Single modes S S 33.9 14.8 34.3 14.9 16.3
Truck S S 46.4 15.4 46.7 15.2 15.4
For-hire truck S S 46.4 15.4 46.7 15.2 15.4
Private truck
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 31.6
Pipeline S S S
Multiple modes 46.1 15.5 S S S S 17.7
Parcel, USPS or courier 46.1 15.5 S S S S 17.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 25.4 26.0 26.2 1.9
Single modes 28.4 13.3 30.3 10.0 30.6 10.2 1.9
Truck 33.5 12.8 37.9 11.9 37.1 12.1 1.5
For-hire truck 33.5 12.8 38.6 11.8 37.8 12.0 1.5
Private truck S S S S S S 31.6
Rail S S S S S S 23.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 45.4 1.7 S S S S 18.3
Pipeline S S S
Multiple modes S S 39.2 9.5 39.0 9.7 2.2
Parcel, USPS or courier S S S S S S 2.2
Truck and rail 38.7 0.9 46.7 4.6 45.1 5.0 23.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

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 10.9 17.5 19.7 2.6
Single modes 10.3 5.0 18.5 1.7 20.9 1.9 5.0
Truck 15.2 5.3 14.6 6.5 16.0 6.5 2.0
For-hire truck 15.0 5.4 15.9 7.0 17.3 6.9 2.1
Private truck S S S S S S 25.9
Rail 45.4 3.7 41.6 7.6 43.1 7.6 2.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 18.0 2.6 31.2 0.1 32.6 0.1 1.9
Pipeline S S S
Multiple modes 26.5 5.2 21.1 1.8 21.4 2.0 2.2
Parcel, USPS or courier 28.0 5.4 37.4 0.8 37.2 0.8 2.2
Truck and rail 25.8 0.4 26.9 1.5 28.0 1.8 15.0
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 15.2

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 17.7 22.5 24.7 5.3
Single modes 15.8 7.9 19.9 5.9 21.1 6.7 7.5
Truck 16.4 6.8 19.4 5.6 19.9 6.1 1.7
For-hire truck 18.2 7.1 21.9 5.2 22.3 4.9 1.9
Private truck 39.5 3.1 28.9 3.0 29.0 2.9 15.1
Rail S S 46.6 6.4 45.9 7.0 21.4
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 34.6 0.1 S S S S 20.2
Pipeline S S S
Multiple modes 47.1 8.5 S S S S 3.0
Parcel, USPS or courier 34.4 7.2 43.7 2.0 44.8 2.1 3.1
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 26.0

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 S S S S 32.6 1.2
Single modes S S S S S S 25.9
Truck S S S S S S 27.9
For-hire truck S S S S S S 27.9
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 35.9 14.4 14.9
Parcel, USPS or courier S S 40.5 18.5 40.7 14.1 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

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 33.5 20.9 21.3 1.1
Single modes 49.1 10.5 29.2 10.3 29.5 10.4 0.9
Truck S S 34.9 11.1 35.6 11.2 1.0
For-hire truck S S 28.6 12.6 28.1 12.8 1.1
Private truck S S S S S S 31.6
Rail S S S S S S 25.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 25.9
Pipeline S S S
Multiple modes 29.2 10.4 34.2 9.9 35.3 10.0 1.1
Parcel, USPS or courier 28.9 10.0 40.8 3.4 40.7 3.1 1.1
Truck and rail S S 41.6 8.7 41.8 9.1 23.6
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 29.4 29.7 10.8 9.9
Single modes 31.9 2.5 32.4 3.0 11.1 1.5 11.1
Truck 11.2 9.1 41.2 6.0 14.4 4.4 9.0
For-hire truck 9.2 3.6 15.9 3.5 11.1 3.1 14.6
Private truck 16.4 6.1 S S 23.2 4.5 8.7
Rail 39.6 1.3 35.7 3.1 S S 15.8
Water S S 44.1 2.8 28.7 2.0 24.8
Shallow draft S S 41.1 2.3 31.3 2.0 33.7
Great Lakes
Deep draft S S S S S S 29.8
Air (including truck and air) S S S S S S 24.2
Pipeline 14.4 1.1 14.5 2.6 S S S
Multiple modes 23.7 2.4 21.6 31.9 0.1 7.3
Parcel, USPS or courier 23.9 2.4 20.0 29.7 7.3
Truck and rail 47.2 S S 42.9 28.9
Truck and water S S S S S S S
Rail and water
Other Multiple modes S S S S S S S
Other and unknown modes 22.0 0.5 27.4 3.0 24.5 1.5 31.9

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 44.5 S S S S 10.6
Single modes S S S S S S 23.6
Truck S S S S S S 23.6
For-hire truck S S S S S S 23.6
Private truck
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 18.3
Parcel, USPS or courier S S S S S S 18.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 11.8 49.3 45.9 2.1
Single modes 16.3 5.4 S S 48.7 3.2 5.8
Truck 17.3 6.3 35.0 12.0 37.0 11.4 1.8
For-hire truck 17.3 6.3 35.0 12.0 37.0 11.4 1.8
Private truck
Rail 33.4 6.0 S S S S 15.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 10.7
Pipeline S S S
Multiple modes 19.2 4.1 S S S S 1.0
Parcel, USPS or courier 23.1 4.7 41.3 1.0 40.2 1.0 1.1
Truck and rail S S S S S S 25.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

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 29.4 33.8 33.9 7.9
Single modes 40.0 10.2 39.2 13.8 39.0 13.6 30.7
Truck 41.0 11.2 39.6 13.6 40.1 13.3 11.9
For-hire truck 48.1 14.4 S S S S 19.4
Private truck S S S S S S 27.3
Rail
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 11.6
Parcel, USPS or courier S S 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 31.6

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.