USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Site Notification

Site Notification

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

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

Monday, July 2, 2012

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]

Excel | CSV

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 8.3 10.4 11.0 9.4
Single modes 8.9 1.4 10.5 0.2 11.1 0.4 11.2
Truck 8.8 1.5 11.6 2.6 11.3 3.2 9.2
For-hire truck 10.6 3.4 13.6 4.1 14.2 2.4 6.0
Private truck 17.6 4.0 19.5 5.1 9.8 2.1 7.5
Rail 14.9 0.5 21.4 2.6 17.6 3.4 13.5
Water S S S S S S 32.1
Shallow draft S S S S S S 31.6
Great Lakes
Deep draft S S S S S S 31.1
Air (including truck and air) 26.6 0.2 33.0 30.8 4.3
Pipeline S S S
Multiple modes 14.7 0.9 24.7 25.0 0.3 5.1
Parcel, USPS or courier 16.4 0.9 17.1 14.7 5.0
Truck and rail 27.6 29.4 29.6 0.2 19.3
Truck and water S S S S S S 49.6
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 38.6 0.8 21.3 0.2 31.3 0.3 19.5

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 17.2 24.4 26.1 2.8
Single modes 17.9 1.3 24.5 0.2 26.2 0.3 3.4
Truck 19.6 4.4 26.3 8.1 22.4 10.0 3.3
For-hire truck 25.6 7.6 29.3 7.3 24.4 8.7 3.5
Private truck 45.3 7.4 14.8 4.3 17.9 3.6 7.1
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 28.5
Pipeline S S S
Multiple modes 27.8 1.3 10.9 12.2 2.9
Parcel, USPS or courier 27.8 1.3 10.9 12.2 2.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 28.0

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 23.3
Single modes S S S S S S 29.0
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) S S S S S S 31.6
Pipeline S S S
Multiple modes S S S S S S 27.2
Parcel, USPS or courier S S S S S S 27.2
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 S S 43.0 43.6 0.6
Single modes S S 43.2 0.8 43.9 0.9 0.8
Truck S S 43.0 0.8 43.6 0.8 0.6
For-hire truck S S S S S S 0.7
Private truck S S S S S S 21.1
Rail
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 14.4 0.8 14.5 0.9 0.5
Parcel, USPS or courier S S 14.4 0.8 14.5 0.9 0.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 15.5 32.2 32.4 2.0
Single modes 18.0 4.6 32.5 0.7 32.7 0.8 2.8
Truck 18.6 4.7 28.5 2.6 28.3 3.2 2.9
For-hire truck 21.9 6.7 32.2 5.4 31.9 5.3 3.1
Private truck 29.4 4.9 47.9 5.7 49.8 5.7 11.4
Rail S S S S S S 29.9
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 34.7 4.6 39.6 0.7 40.4 0.8 2.3
Parcel, USPS or courier 34.7 4.6 39.6 0.7 40.4 0.8 2.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 7.9 16.7 16.9 0.6
Single modes 8.4 4.3 13.8 2.2 14.1 2.2 0.4
Truck 6.0 4.8 15.7 4.9 16.1 5.4 0.2
For-hire truck 9.5 5.9 18.5 6.5 18.8 6.9 0.2
Private truck S S 49.5 3.7 50.0 3.5 0.8
Rail 35.4 4.3 40.5 5.0 40.5 5.6 18.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 45.8 2.0 S S S S 10.7
Pipeline S S S
Multiple modes 27.5 3.9 25.9 0.8 26.4 0.8 0.7
Parcel, USPS or courier 28.1 3.9 24.9 0.8 24.1 0.8 0.7
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 31.6

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 39.2 45.2 46.1 1.0
Single modes 41.7 6.2 45.6 1.5 46.4 1.5 0.9
Truck 44.4 9.4 S S S S 1.1
For-hire truck 45.0 8.9 S S S S 1.2
Private truck S S S S S S 29.8
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 27.9
Pipeline S S S
Multiple modes 22.7 4.8 18.9 1.5 19.1 1.5 1.2
Parcel, USPS or courier 22.7 4.8 18.9 1.5 19.1 1.5 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

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 40.9 25.4 24.1 0.9
Single modes 43.4 5.9 25.6 0.4 24.2 0.3 0.7
Truck 45.3 8.1 36.7 9.6 35.7 10.2 0.7
For-hire truck 23.0 13.1 39.2 11.3 38.3 11.5 1.0
Private truck S S 34.0 2.7 34.1 2.4 23.6
Rail 33.8 2.9 43.7 9.3 44.4 10.0 18.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 33.6 5.9 29.2 0.4 29.2 0.3 1.9
Parcel, USPS or courier 33.6 5.9 29.2 0.4 29.2 0.3 1.9
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 43.3 44.1 40.0 4.1
Single modes 45.8 6.6 44.3 0.7 40.3 0.7 7.5
Truck 45.8 6.6 44.3 0.7 40.3 0.7 2.4
For-hire truck 45.8 6.6 44.5 0.9 40.4 0.9 2.4
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 47.4 6.6 42.0 0.7 42.4 0.7 15.0
Parcel, USPS or courier 47.4 6.6 42.0 0.7 42.4 0.7 15.0
Truck and rail
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 36.2 47.5 42.1 2.7
Single modes 37.9 9.6 47.8 9.6 42.4 9.5 3.0
Truck 38.1 9.5 48.4 9.9 43.3 10.1 2.7
For-hire truck 40.3 10.9 S S S S 3.1
Private truck 42.8 5.9 S S 49.8 8.3 23.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.8
Pipeline S S S
Multiple modes 46.9 2.9 S S S S 21.6
Parcel, USPS or courier 46.9 2.9 S S S S 21.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 25.8

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 19.1 10.0 11.5 2.4
Single modes 19.7 1.1 10.1 0.2 11.6 0.2 2.8
Truck 20.3 1.6 8.0 4.3 8.1 5.0 2.6
For-hire truck 16.4 2.9 8.3 4.3 7.3 4.6 2.3
Private truck 35.5 3.1 17.1 2.8 18.7 2.6 4.9
Rail 30.0 1.3 33.5 4.4 38.1 5.1 13.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 46.2 0.1 S S S S 15.7
Pipeline S S S
Multiple modes 22.3 1.1 25.9 0.2 22.4 0.2 2.2
Parcel, USPS or courier 22.5 1.1 27.1 0.1 24.5 0.2 2.2
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 46.6 43.1 0.2 S S 23.2

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 17.1 8.1 10.0 6.7
Single modes 17.5 0.8 8.3 0.4 10.2 0.4 8.5
Truck 18.1 1.4 9.1 3.9 9.0 6.2 8.7
For-hire truck 9.0 5.9 10.8 4.0 11.0 5.0 4.0
Private truck 34.4 6.2 17.1 4.3 18.9 4.5 8.3
Rail 45.8 1.3 46.1 4.0 S S 13.8
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) 40.9 0.1 45.5 46.9 24.1
Pipeline S S S
Multiple modes 19.1 0.6 13.1 12.2 4.9
Parcel, USPS or courier 19.9 0.7 14.0 11.4 4.9
Truck and rail
Truck and water S S S S S S 31.6
Rail and water
Other Multiple modes
Other and unknown modes 27.0 0.2 33.3 0.4 39.2 0.4 27.0

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 11.6
Single modes S S S S S S 25.8
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 25.8
Pipeline S S S
Multiple modes S S S S S S 18.8
Parcel, USPS or courier 45.3 16.6 S S S S 21.1
Truck and rail
Truck and water S S S S S S 24.0
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 35.8 39.5 38.8 1.8
Single modes S S 42.7 15.4 42.8 15.5 18.3
Truck S S 42.7 15.4 42.8 15.5 18.3
For-hire truck S S 42.7 15.4 42.8 15.5 18.3
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 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

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 20.8 44.7 43.7 1.8
Single modes 23.1 3.1 45.5 1.1 44.5 1.3 1.6
Truck 18.5 5.4 35.1 7.2 34.0 7.8 1.6
For-hire truck 16.8 5.7 34.2 7.8 32.3 8.3 1.8
Private truck S S S S S S 3.3
Rail S S S S S S 15.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 1.2
Pipeline S S S
Multiple modes 25.7 2.8 S S S S 2.2
Parcel, USPS or courier 29.9 2.9 15.1 0.1 14.6 0.1 2.2
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 29.8

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 13.1 22.6 23.3 1.7
Single modes 14.2 2.1 22.7 0.4 23.4 0.4 1.7
Truck 14.3 2.2 23.0 2.3 23.9 3.1 1.7
For-hire truck 11.3 3.8 21.5 7.5 21.4 7.9 1.7
Private truck S S S S S S 18.7
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 24.1
Pipeline S S S
Multiple modes 32.2 2.1 38.8 0.4 38.8 0.4 2.3
Parcel, USPS or courier 32.2 2.1 38.8 0.4 38.8 0.4 2.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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 26.8 22.6 23.6 1.6
Single modes 28.0 4.0 22.7 0.2 23.7 0.2 1.8
Truck 28.0 4.0 22.7 0.2 23.7 0.2 1.9
For-hire truck 28.5 3.9 24.8 5.6 25.8 5.5 2.0
Private truck S S S S S S 23.6
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.8
Pipeline S S S
Multiple modes 42.0 4.0 33.9 0.2 32.9 0.2 2.0
Parcel, USPS or courier 42.0 4.0 33.9 0.2 32.9 0.2 2.0
Truck and rail
Truck and water
Rail and water
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 21.3 36.1 36.4 2.1
Single modes 21.1 2.8 36.3 0.4 36.7 0.4 2.4
Truck 24.3 5.9 46.2 10.7 47.0 10.8 2.4
For-hire truck 25.5 6.1 46.8 10.6 47.5 10.7 2.4
Private truck S S S S S S 25.9
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 25.8
Pipeline S S S
Multiple modes S S 28.4 0.4 27.2 0.4 2.3
Parcel, USPS or courier S S 28.4 0.4 27.2 0.4 2.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 11.3 16.0 16.6 4.2
Single modes 11.1 1.2 16.1 16.6 2.9
Truck 12.1 1.9 20.4 5.6 22.4 6.7 2.4
For-hire truck 14.6 5.9 20.5 6.0 23.3 7.3 2.6
Private truck S S S S S S 25.3
Rail 34.5 1.4 34.8 5.6 34.2 6.7 21.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 19.7
Pipeline S S S
Multiple modes 37.7 1.2 27.8 23.1 5.5
Parcel, USPS or courier 37.7 1.2 27.8 23.1 5.5
Truck and rail
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 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

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 47.9 S S S S 3.2
Single modes 49.6 7.6 S S S S 2.3
Truck S S S S S S 2.3
For-hire truck S S S S S S 2.5
Private truck S S S S S S 29.9
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 42.3 7.6 S S S S 4.2
Parcel, USPS or courier 46.0 7.1 46.9 0.7 46.7 0.6 4.1
Truck and rail S S S S S S 29.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 33.3 20.2 20.6 1.3
Single modes 35.2 3.6 20.2 20.6 0.1 2.9
Truck 37.3 7.3 23.6 7.9 24.1 8.2 1.7
For-hire truck 40.5 7.4 25.8 7.8 26.6 7.9 1.9
Private truck S S 43.4 2.3 43.5 2.4 15.0
Rail 33.5 3.7 31.9 7.9 32.7 8.2 11.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 1.5
Pipeline S S S
Multiple modes 40.6 3.6 23.1 23.9 0.1 2.1
Parcel, USPS or courier 40.6 3.6 23.1 23.9 0.1 2.1
Truck and rail
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 24.3 26.4 26.9 0.8
Single modes 25.3 2.3 26.5 0.7 27.0 0.7 0.9
Truck 26.6 5.1 27.2 3.9 27.6 4.1 0.9
For-hire truck 27.5 5.6 28.3 5.1 28.7 5.4 0.9
Private truck 48.8 0.7 S S S S 21.1
Rail 42.7 1.9 46.7 4.0 46.3 4.3 21.1
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.1
Pipeline S S S
Multiple modes 19.5 2.3 S S S S 1.2
Parcel, USPS or courier 17.8 2.4 40.7 0.7 40.1 0.6 1.2
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

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 14.8 15.6 18.0 2.6
Single modes 15.0 4.5 15.3 1.3 18.1 1.2 1.1
Truck 17.6 6.5 14.9 8.6 15.0 9.8 1.2
For-hire truck 18.1 6.5 16.3 8.2 16.4 9.3 1.3
Private truck 46.4 1.0 38.5 2.7 39.1 2.8 0.8
Rail 46.9 4.2 45.7 8.8 47.6 10.1 18.5
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 49.4 1.4 S S S S 1.6
Pipeline S S S
Multiple modes S S 48.9 0.8 S S 3.2
Parcel, USPS or courier S S 48.9 0.2 46.1 0.2 3.2
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

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 11.6 36.7 38.5 1.3
Single modes 16.4 8.1 37.0 1.4 38.7 1.4 1.6
Truck 17.3 8.0 18.0 13.1 17.7 14.2 1.7
For-hire truck 17.6 7.8 18.4 12.6 18.1 13.7 1.3
Private truck 38.8 0.5 43.0 1.0 42.1 0.9 18.7
Rail S S S S S S 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 23.6
Pipeline S S S
Multiple modes 35.7 8.2 39.6 1.4 38.5 1.4 1.4
Parcel, USPS or courier 35.7 8.2 39.6 1.4 38.5 1.4 1.4
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 34.7 40.2 41.2 1.9
Single modes 35.0 1.9 40.2 0.1 41.3 0.1 3.2
Truck 35.6 2.5 38.3 5.8 38.5 6.6 3.2
For-hire truck 36.3 7.2 39.7 6.5 40.0 7.0 3.4
Private truck 38.4 5.1 36.4 1.8 38.4 1.7 15.2
Rail S S S S S S 25.9
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 31.6
Pipeline S S S
Multiple modes 26.1 1.9 23.3 0.1 24.9 2.6
Parcel, USPS or courier 26.1 1.9 23.3 0.1 24.9 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

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 11.8 24.9 23.7 1.6
Single modes 14.0 3.8 25.2 1.1 24.0 1.0 1.9
Truck 14.3 4.1 26.5 3.6 25.5 4.8 1.8
For-hire truck 17.2 5.8 27.1 3.6 26.1 4.7 1.9
Private truck 37.9 3.3 34.8 0.7 37.9 0.8 21.3
Rail S S S S S S 30.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes 38.5 3.8 S S S S 2.5
Parcel, USPS or courier 38.5 3.8 S S S S 2.5
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes

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 32.0 47.9 48.3 10.7
Single modes 35.1 12.9 49.2 15.3 49.6 15.2 18.3
Truck 35.2 12.9 49.2 15.3 49.6 15.2 18.3
For-hire truck S S 49.0 14.6 49.1 14.8 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 45.5 13.0 S S S S 18.3
Parcel, USPS or courier 45.5 13.0 S S S S 18.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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 35.0 30.6 30.9 2.0
Single modes 33.6 12.9 31.5 13.7 31.7 13.7 10.8
Truck 34.1 12.9 31.5 13.8 31.8 13.8 10.7
For-hire truck 34.8 14.2 39.0 15.1 38.9 15.4 10.7
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 29.9
Pipeline S S S
Multiple modes S S S S S S 10.6
Parcel, USPS or courier S S S S S S 10.6
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 36.9 S S S S 1.8
Single modes 39.9 9.2 S S S S 1.9
Truck 39.3 9.1 S S S S 1.9
For-hire truck 43.6 9.6 S S S S 1.7
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 29.3 9.3 S S S S 10.8
Parcel, USPS or courier 28.5 5.4 37.8 1.6 37.7 1.6 10.7
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

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 S S S S S S 0.9
Single modes S S S S S S 0.8
Truck S S S S S S 0.9
For-hire truck S S S S S S 0.9
Private truck S S S S S S 27.9
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 29.8
Pipeline S S S
Multiple modes 48.8 9.4 35.5 2.0 35.3 2.1 15.0
Parcel, USPS or courier 48.8 9.4 35.5 2.0 35.3 2.1 15.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 20.4 32.3 31.3 1.2
Single modes 20.8 2.3 32.5 0.2 31.5 0.2 1.2
Truck 20.9 2.3 35.2 4.4 34.2 4.5 1.1
For-hire truck 22.9 4.6 37.3 5.1 36.5 5.2 1.2
Private truck S S 44.5 1.7 43.0 1.8 10.6
Rail 31.7 0.9 32.9 4.5 33.9 4.6 18.3
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 36.7 2.2 12.8 0.1 12.9 0.1 2.3
Parcel, USPS or courier 36.7 2.2 12.8 0.1 12.9 0.1 2.3
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 25.8 S S S S 1.4
Single modes 32.2 13.3 S S S S 10.8
Truck 32.3 13.1 S S S S 10.8
For-hire truck S S S S S S 15.1
Private truck 43.9 13.6 S S S S 25.8
Rail
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.8
Pipeline S S S
Multiple modes 46.8 13.3 43.3 16.4 44.0 16.5 2.1
Parcel, USPS or courier 46.8 13.3 43.3 16.4 44.0 16.5 2.1
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 22.9 S S S S 1.4
Single modes 23.8 2.1 S S S S 1.9
Truck 17.9 3.5 49.0 6.0 S S 1.4
For-hire truck 20.5 4.9 S S S S 1.6
Private truck 27.5 2.8 29.7 1.6 29.2 1.7 2.8
Rail S S S S S S 11.0
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) 42.1 1.4 S S S S 10.7
Pipeline S S S
Multiple modes 26.4 1.8 S S S S 2.1
Parcel, USPS or courier 25.7 1.8 22.0 0.2 21.7 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 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 15.0 16.8 14.5 6.4
Single modes 17.1 4.1 17.6 2.2 15.5 2.4 8.0
Truck 17.5 4.3 14.1 4.8 12.4 4.9 8.0
For-hire truck 17.6 5.2 12.4 3.0 10.3 3.6 4.9
Private truck 28.7 6.5 16.7 2.9 16.2 2.9 10.8
Rail 43.8 0.8 46.5 4.8 40.9 4.7 12.3
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 25.9
Pipeline S S S
Multiple modes 21.5 0.8 27.2 33.5 7.6
Parcel, USPS or courier 21.5 0.8 27.2 33.5 7.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 17.7

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 29.9 S S S S 10.8
Single modes 34.7 12.5 S S S S 15.1
Truck 34.8 12.4 S S S S 15.1
For-hire truck 42.6 13.1 S S S S 18.4
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 29.8
Pipeline S S S
Multiple modes 39.7 12.5 47.8 10.5 49.8 10.5 15.2
Parcel, USPS or courier 39.7 12.5 47.8 10.5 49.8 10.5 15.2
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 20.5 30.3 29.9 1.7
Single modes 21.0 1.2 31.1 1.3 30.7 1.6 1.3
Truck 22.8 4.8 28.0 6.8 29.5 7.4 1.3
For-hire truck 23.8 5.6 29.8 5.5 31.3 6.1 1.2
Private truck 43.4 2.3 41.3 2.7 40.7 2.7 3.0
Rail 46.1 3.8 43.7 6.7 40.4 7.4 4.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 6.5
Pipeline S S S
Multiple modes 23.1 0.9 S S S S 2.0
Parcel, USPS or courier 17.5 0.5 23.1 22.8 2.1
Truck and rail S S S S S S 25.8
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 21.5 20.1 23.5 1.7
Single modes 25.0 7.3 20.3 1.0 23.8 1.0 2.1
Truck 29.9 11.0 18.2 14.3 18.2 15.7 1.3
For-hire truck 30.9 11.7 18.7 14.5 18.6 15.9 1.4
Private truck S S S S S S 21.2
Rail 48.0 6.8 45.4 14.6 45.4 16.0 25.8
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.9
Pipeline S S S
Multiple modes S S 44.9 0.8 47.5 0.7 1.4
Parcel, USPS or courier S S 44.9 0.8 47.5 0.7 1.4
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 27.9

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 20.6 29.3 29.8 0.7
Single modes 21.8 2.4 29.5 1.3 30.0 1.3 1.1
Truck 23.2 3.3 29.3 5.2 29.6 5.6 1.0
For-hire truck 25.3 5.4 31.9 5.9 32.2 6.1 1.0
Private truck S S S S S S 27.9
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 32.1 2.4 35.3 1.2 35.9 1.3 1.0
Parcel, USPS or courier 32.1 2.4 35.3 1.2 35.9 1.3 1.0
Truck and rail
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 39.9 14.3 15.5 0.9
Single modes 43.3 4.0 14.8 1.1 16.0 1.2 1.4
Truck 45.5 5.7 17.2 6.8 17.9 7.3 1.2
For-hire truck 48.0 6.5 20.6 6.3 21.5 6.5 1.2
Private truck 26.3 2.2 35.0 4.9 35.3 5.0 2.7
Rail 33.1 1.4 29.8 6.4 34.5 6.9 4.3
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 36.3 37.2 15.1
Pipeline S S S
Multiple modes 33.6 4.1 S S S S 1.2
Parcel, USPS or courier 35.2 4.1 43.6 0.2 42.6 0.2 1.2
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 23.6

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 27.8 44.9 47.7 2.1
Single modes 29.7 4.0 45.0 2.4 47.8 2.3 2.1
Truck 29.8 4.8 33.2 16.5 33.6 17.7 1.8
For-hire truck 28.5 10.0 40.4 17.1 40.9 18.1 1.9
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) S S S S S S 29.8
Pipeline S S S
Multiple modes S S S S S S 23.6
Parcel, USPS or courier S S S S S S 23.6
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 10.5 15.1 15.0 10.0
Single modes 10.8 1.1 15.1 0.2 15.1 0.4 9.3
Truck 10.3 0.9 16.6 4.1 15.2 6.3 9.4
For-hire truck 15.4 3.3 20.8 5.6 22.6 5.1 9.7
Private truck 12.4 3.5 22.8 5.6 15.7 4.4 10.9
Rail 21.9 0.8 37.9 4.2 S S 16.4
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 30.2
Pipeline S S S
Multiple modes 23.8 0.5 S S S S 12.4
Parcel, USPS or courier 23.3 0.5 39.5 S S 12.5
Truck and rail
Truck and water S S S S S S 29.8
Rail and water
Other Multiple modes S S S S S S 31.6
Other and unknown modes 30.3 0.6 21.9 0.2 34.1 0.2 20.1

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 33.4 40.2 43.8 4.4
Single modes 35.2 17.7 40.4 18.2 44.0 18.2 18.4
Truck 37.3 16.8 39.3 16.1 39.2 16.1 18.4
For-hire truck 39.4 15.5 44.1 14.9 44.0 14.8 18.4
Private truck S S S S S S 29.8
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 29.9
Pipeline S S S
Multiple modes 48.6 17.7 48.9 18.2 45.6 18.2 19.0
Parcel, USPS or courier 48.6 17.7 48.9 18.2 45.6 18.2 19.0
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 13.5 16.5 24.5 5.3
Single modes 15.0 5.0 16.7 1.7 24.7 0.7 7.9
Truck 11.2 5.4 6.0 8.0 7.1 9.8 3.7
For-hire truck 6.4 6.1 8.0 6.2 9.7 8.2 3.0
Private truck 40.0 3.5 23.7 5.2 27.0 4.5 12.5
Rail S S S S S S 14.7
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 19.6
Pipeline S S S
Multiple modes S S 33.0 0.1 40.9 0.2 6.1
Parcel, USPS or courier S S 33.0 0.1 40.9 0.2 6.1
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 30.8

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 16.1 16.8 17.7 0.8
Single modes 15.5 2.1 16.8 1.0 17.9 0.9 1.8
Truck 15.3 2.1 15.2 4.8 16.0 6.0 1.6
For-hire truck 17.9 4.4 19.3 6.4 20.2 7.1 1.5
Private truck 38.0 3.9 37.8 3.8 39.4 3.6 3.3
Rail 30.0 0.9 38.2 5.0 38.3 6.3 15.2
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S 49.1 48.5 3.7
Pipeline S S S
Multiple modes 33.4 1.9 26.6 0.2 27.9 0.2 1.2
Parcel, USPS or courier 33.4 1.9 26.6 0.2 27.9 0.2 1.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 24.4

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 49.0 30.9 31.7 0.8
Single modes S S 31.0 1.9 31.9 1.7 1.0
Truck S S 31.3 4.9 32.1 4.6 0.7
For-hire truck S S 31.4 4.8 32.1 4.5 0.7
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 25.8
Pipeline S S S
Multiple modes S S 38.5 0.6 39.6 0.6 10.6
Parcel, USPS or courier S S 38.5 0.6 39.6 0.6 10.6
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.8

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 27.4 41.9 41.0 1.5
Single modes 26.8 8.9 42.5 4.4 41.6 4.3 1.1
Truck 26.9 8.6 39.7 4.2 38.4 4.2 1.1
For-hire truck 28.0 8.3 43.1 7.8 41.7 7.8 1.1
Private truck S S S S S S 31.6
Rail S S S S S S 31.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 29.8
Pipeline S S S
Multiple modes 46.6 8.9 36.9 4.5 37.1 4.4 10.7
Parcel, USPS or courier 46.6 8.9 36.9 4.5 37.1 4.4 10.7
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 11.5 10.9 10.2 4.5
Single modes 12.1 2.1 11.4 1.9 10.8 1.8 4.6
Truck 12.2 2.4 13.9 4.3 13.4 4.7 4.5
For-hire truck 13.9 6.2 16.4 4.8 16.5 5.5 3.8
Private truck 35.8 6.3 21.4 4.1 27.5 4.6 8.9
Rail 21.0 0.4 21.3 3.3 19.3 3.9 4.8
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 17.7 1.3 26.3 0.1 25.9 0.2 5.0
Parcel, USPS or courier 17.7 1.3 26.3 0.1 25.9 0.2 5.0
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes 45.2 1.2 45.8 1.8 S S 24.8

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 19.8 31.0 32.1 0.8
Single modes 21.8 6.8 31.1 1.2 32.3 1.2 1.2
Truck 24.8 10.0 30.5 13.8 30.3 14.4 1.0
For-hire truck 24.3 10.2 31.1 13.0 30.9 13.5 1.0
Private truck S S S S S S 27.9
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 28.4 6.8 37.2 1.2 37.4 1.2 0.9
Parcel, USPS or courier 28.4 6.8 37.2 1.2 37.4 1.2 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

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 35.0 23.5 24.5 5.3
Single modes 36.1 3.6 24.2 2.2 25.2 2.2 3.9
Truck 36.5 3.7 18.6 4.6 15.0 6.5 4.0
For-hire truck S S 17.2 7.2 15.2 8.0 3.6
Private truck 47.7 10.4 41.8 6.9 39.9 7.2 18.9
Rail S S S S S S 28.1
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 38.0 2.5 S S S S 6.2
Parcel, USPS or courier 38.0 2.5 S S S S 6.2
Truck and rail
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 31.6

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 18.0 11.5 12.1 1.7
Single modes 18.5 2.2 11.6 0.5 12.2 0.5 1.6
Truck 20.5 5.3 14.6 8.0 14.4 8.5 1.7
For-hire truck 21.9 7.2 15.0 8.4 14.9 8.7 1.7
Private truck S S 47.3 4.5 46.4 4.2 21.3
Rail 43.5 2.6 37.3 8.2 37.7 8.7 23.6
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air) S S S S S S 21.1
Pipeline S S S
Multiple modes 33.4 2.0 49.2 0.5 48.8 0.5 1.9
Parcel, USPS or courier 34.9 2.0 25.0 0.2 24.1 0.1 1.9
Truck and rail S S S S S S 29.9
Truck and water
Rail and water
Other Multiple modes
Other and unknown modes S S S S S S 29.9

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 S S S S S S 15.0
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
Water
Shallow draft
Great Lakes
Deep draft
Air (including truck and air)
Pipeline S S S
Multiple modes S S S S S S 23.7
Parcel, USPS or courier S S S S S S 23.7
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.