Table 10. Inbound Shipment Characteristics by Origin for Metropolitan Area of Destination: 2007
Tuesday, July 3, 2012
Table 10. Inbound Shipment Characteristics by Origin for Metropolitan Area of Destination: 2007
Estimates are based on data from the 2007 Commodity Flow Survey. Because of rounding, estimates may not be additive.
| Origin | Value | Tons | Ton-miles2 | Value | Tons | Ton-miles | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 (million $) |
Percent of total | 2007 (thousands) |
Percent of total | 2007 (millions) |
Percent
of total |
CV3 | Standard Error of % | CV | Standard Error of % | CV | Standard Error of % | |
| Total | 35,312 | 100 | 33,516 | 100 | 17,010 | 100 | 6.5 | - | 13.4 | - | 20.7 | - |
| Alabama | 905 | 2.6 | 495 | 1.5 | 281 | 1.7 | 14.7 | 0.6 | 33.6 | 0.9 | 30.9 | 1.4 |
| Alaska | S | S | S | S | S | S | S | S | S | S | S | S |
| Arizona | S | S | S | S | S | S | S | S | S | S | S | S |
| Arkansas | 79 | 0.2 | 69 | 0.2 | 65 | 0.4 | 38.5 | 0.1 | 27.9 | 0.1 | 25.8 | 0.2 |
| California | 303 | 0.9 | 20 | 0.1 | 51 | 0.3 | 16.9 | 0.1 | 22.8 | - | 21.8 | 0.2 |
| Colorado | 104 | 0.3 | S | S | S | S | 49.5 | 0.2 | S | S | S | S |
| Connecticut | S | S | S | S | S | S | S | S | S | S | S | S |
| Delaware | 16 | - | 14 | - | 9 | 0.1 | 30.3 | 0.1 | 46.1 | 0.2 | 46.8 | 0.4 |
| District of Columbia | S | S | S | S | S | S | S | S | S | S | S | S |
| Florida | 1,406 | 4 | 1,218 | 3.6 | 573 | 3.4 | 38.7 | 1.5 | 38.4 | 1.9 | 42.7 | 3.1 |
| Georgia | 3,964 | 11.2 | 1,537 | 4.6 | 397 | 2.3 | 17.7 | 1.7 | 13.3 | 1 | 15.1 | 0.9 |
| Hawaii | 1 | - | S | S | S | S | 45.5 | - | S | S | S | S |
| Idaho | S | S | S | S | S | S | S | S | S | S | S | S |
| Illinois | 866 | 2.5 | 108 | 0.3 | 128 | 0.8 | 40 | 0.7 | 40.4 | 0.1 | 39.2 | 0.3 |
| Indiana | 1,592 | 4.5 | 144 | 0.4 | 123 | 0.7 | 38.5 | 1.8 | 37.4 | 0.2 | 38.8 | 0.5 |
| Iowa | 100 | 0.3 | S | S | S | S | 30.1 | 0.1 | S | S | S | S |
| Kansas | S | S | S | S | S | S | S | S | S | S | S | S |
| Kentucky | 922 | 2.6 | 5,837 | 17.4 | 3,829 | 22.5 | 23.9 | 0.8 | 45.1 | 4.9 | 45 | 5.7 |
| Louisiana | 677 | 1.9 | S | S | 519 | 3 | 38.3 | 0.8 | S | S | 47.2 | 1.5 |
| Maine | 1 | - | S | S | S | S | 29.7 | - | S | S | S | S |
| Maryland | 113 | 0.3 | S | S | S | S | 28.2 | 0.1 | S | S | S | S |
| Massachusetts | 100 | 0.3 | 8 | - | 8 | - | 25.7 | 0.1 | 30.2 | - | 30.3 | - |
| Michigan | 487 | 1.4 | 83 | 0.2 | 85 | 0.5 | 41.8 | 0.5 | 36.9 | 0.1 | 35.3 | 0.4 |
| Minnesota | 83 | 0.2 | 12 | - | 17 | 0.1 | 25 | 0.1 | 27.1 | - | 28.1 | 0.1 |
| Mississippi | 437 | 1.2 | 138 | 0.4 | 154 | 0.9 | 46.7 | 0.6 | 28.1 | 0.1 | 37.9 | 0.6 |
| Missouri | 135 | 0.4 | S | S | S | S | 33.5 | 0.1 | S | S | S | S |
| Montana | S | S | S | S | S | S | S | S | S | S | S | S |
| Nebraska | S | S | S | S | S | S | S | S | S | S | S | S |
| Nevada | S | S | S | S | S | S | S | S | S | S | S | S |
| New Hampshire | S | S | S | S | S | S | S | S | S | S | S | S |
| New Jersey | 275 | 0.8 | S | S | S | S | 38.9 | 0.3 | S | S | S | S |
| New Mexico | 1 | - | S | S | S | S | 6.2 | - | S | S | S | S |
| New York | 596 | 1.7 | S | S | S | S | 23.9 | 0.5 | S | S | S | S |
| North Carolina | 4,464 | 12.6 | 2,224 | 6.6 | 583 | 3.4 | 11.1 | 1.7 | 17 | 1.7 | 18.5 | 1.5 |
| North Dakota | 1 | - | - | - | - | - | 21.1 | - | 31.9 | - | 33 | - |
| Ohio | 621 | 1.8 | 327 | 1 | 271 | 1.6 | 17.7 | 0.3 | 28.8 | 0.3 | 30.8 | 0.6 |
| Oklahoma | 81 | 0.2 | 268 | 0.8 | 390 | 2.3 | 30 | 0.1 | 32.2 | 0.5 | 32.6 | 2.6 |
| Oregon | 47 | 0.1 | 4 | - | 12 | 0.1 | 42.8 | 0.1 | 47.5 | - | 48 | 0.2 |
| Pennsylvania | 502 | 1.4 | S | S | S | S | 22.8 | 0.3 | S | S | S | S |
| Rhode Island | 7 | - | - | - | - | - | 44.3 | - | 40 | - | 39.8 | - |
| South Carolina | 9,300 | 26.3 | 11,033 | 32.9 | 630 | 3.7 | 6.8 | 2 | 20.5 | 4.3 | 15.6 | 1.8 |
| South Dakota | 30 | 0.1 | 5 | - | 8 | - | 38.2 | 0.1 | 45.6 | - | 48.9 | 0.2 |
| Tennessee | 3,173 | 9 | 1,504 | 4.5 | 1,007 | 5.9 | 23.4 | 1.8 | 24.1 | 1.6 | 36.3 | 3.6 |
| Texas | 554 | 1.6 | 230 | 0.7 | 285 | 1.7 | 25.5 | 0.4 | 27.1 | 0.3 | 27.3 | 1.3 |
| Utah | S | S | S | S | S | S | S | S | S | S | S | S |
| Vermont | 31 | 0.1 | S | S | S | S | 40.1 | 0.1 | S | S | S | S |
| Virginia | 381 | 1.1 | 159 | 0.5 | 65 | 0.4 | 15.5 | 0.2 | 29.5 | 0.4 | 28.7 | 0.5 |
| Washington | S | S | S | S | S | S | S | S | S | S | S | S |
| West Virginia | S | S | S | S | S | S | S | S | S | S | S | S |
| Wisconsin | 228 | 0.6 | 94 | 0.3 | 113 | 0.7 | 24.2 | 0.2 | 35.4 | 0.2 | 35.1 | 1 |
| Wyoming | S | S | S | S | S | S | S | S | S | S | S | S |
| Birmingham-Hoover-Cullman, AL | 119 | 0.3 | 100 | 0.3 | 61 | 0.4 | 29.8 | 0.1 | 45.2 | 0.3 | 48.3 | 0.6 |
| Mobile-Daphne-Fairhope, AL | S | S | 17 | - | S | S | S | S | 40.4 | - | S | S |
| Remainder of Alabama | 631 | 1.8 | 378 | 1.1 | 205 | 1.2 | 23.2 | 0.6 | 35.9 | 0.7 | 33.8 | 1.1 |
| Phoenix-Mesa-Scottsdale, AZ | S | S | S | S | S | S | S | S | S | S | S | S |
| Tucson, AZ | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Arizona | 1 | - | - | - | - | - | 35.2 | - | 46.1 | - | 46.4 | - |
| Los Angeles-Long Beach-Riverside, CA | 176 | 0.5 | 14 | - | 35 | 0.2 | 21.4 | 0.1 | 27.9 | - | 27.7 | 0.2 |
| Sacramento--Arden-Arcade--Yuba City, CA-NV (CA part) | S | S | S | S | S | S | S | S | S | S | S | S |
| San Diego-Carlsbad-San Marcos, CA | 41 | 0.1 | 1 | - | 2 | - | 35.6 | 0.1 | 44.3 | - | 42.3 | - |
| San Jose-San Francisco-Oakland, CA | 51 | 0.1 | S | S | S | S | 35.2 | 0.1 | S | S | S | S |
| Remainder of California | 32 | 0.1 | S | S | S | S | 36.6 | 0.1 | S | S | S | S |
| Denver-Aurora-Boulder, CO | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Colorado | S | S | S | S | S | S | S | S | S | S | S | S |
| Hartford-West Hartford-Willimantic, CT | 60 | 0.2 | S | S | S | S | 49.4 | 0.1 | S | S | S | S |
| New York-Newark-Bridgeport, NY-NJ-CT-PA (CT part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Connecticut | S | S | S | S | S | S | S | S | S | S | S | S |
| Washington-Arlington-Alexandria, DC-VA-MD-WV (DC part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Jacksonville, FL | S | S | S | S | S | S | S | S | S | S | S | S |
| Miami-Fort Lauderdale-Pompano Beach, FL | S | S | S | S | S | S | S | S | S | S | S | S |
| Orlando-Deltona-Daytona Beach, FL | 33 | 0.1 | 3 | - | 1 | - | 40.1 | - | 46.4 | - | 47.8 | - |
| Tampa-St. Petersburg-Clearwater, FL | 151 | 0.4 | 72 | 0.2 | 36 | 0.2 | 30.4 | 0.3 | 36 | 0.4 | 36.5 | 0.5 |
| Remainder of Florida | 244 | 0.7 | 282 | 0.8 | 148 | 0.9 | 30.7 | 0.2 | 40.2 | 0.3 | 41.8 | 0.3 |
| Atlanta-Sandy Springs-Gainesville, GA-AL (GA part) | 2,455 | 7 | 560 | 1.7 | 180 | 1.1 | 25.9 | 1.6 | 31 | 0.8 | 29.6 | 0.6 |
| Savannah-Hinesville-Fort Stewart, GA | 254 | 0.7 | 185 | 0.6 | 23 | 0.1 | 33.6 | 0.2 | 22.7 | 0.2 | 23 | 0.1 |
| Remainder of Georgia | 1,256 | 3.6 | 792 | 2.4 | 194 | 1.1 | 12.7 | 0.5 | 16.5 | 0.4 | 18.7 | 0.4 |
| Honolulu, HI | 1 | - | S | S | S | S | 48.1 | - | S | S | S | S |
| Remainder of Hawaii | S | S | S | S | S | S | S | S | S | S | S | S |
| Chicago-Naperville-Michigan City, IL-IN-WI (IL part) | S | S | 44 | 0.1 | S | S | S | S | 35.5 | 0.1 | S | S |
| St. Louis-St. Charles-Farmington, MO-IL (IL part) | 2 | - | S | S | S | S | 47.8 | - | S | S | S | S |
| Remainder of Illinois | S | S | S | S | S | S | S | S | S | S | S | S |
| Chicago-Naperville-Michigan City, IL-IN-WI (IN part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Indianapolis-Anderson-Columbus, IN | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Indiana | 1,457 | 4.1 | 126 | 0.4 | 110 | 0.6 | 38.6 | 1.8 | 37.8 | 0.2 | 40 | 0.5 |
| Kansas City-Overland Park-Kansas City, MO-KS (KS part) | S | S | 1 | - | 1 | - | S | S | 38 | - | 38 | - |
| Remainder of Kansas | S | S | S | S | S | S | S | S | S | S | S | S |
| Louisville/Jefferson County-Elizabethtown-Scottsburg, KY-IN (KY part) | 47 | 0.1 | S | S | S | S | 48.3 | 0.1 | S | S | S | S |
| Remainder of Kentucky | 875 | 2.5 | 5,793 | 17.3 | 3,792 | 22.3 | 25.3 | 0.8 | 45.4 | 5 | 45.4 | 5.8 |
| Baton Rouge-Pierre Part, LA | 496 | 1.4 | S | S | S | S | 47.1 | 1.7 | S | S | S | S |
| Lake Charles-Jennings, LA | S | S | S | S | S | S | S | S | S | S | S | S |
| New Orleans-Metairie-Bogalusa, LA | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Louisiana | 111 | 0.3 | 98 | 0.3 | 96 | 0.6 | 38.1 | 0.2 | 43.2 | 0.2 | 43.5 | 0.7 |
| Baltimore-Towson, MD | 11 | - | 3 | - | 2 | - | 39 | - | 45.3 | - | 45.4 | - |
| Washington-Arlington-Alexandria, DC-VA-MD-WV (MD part) | 62 | 0.2 | S | S | S | S | 38.4 | 0.1 | S | S | S | S |
| Remainder of Maryland | 41 | 0.1 | S | S | S | S | 50 | 0.1 | S | S | S | S |
| Boston-Worcester-Manchester, MA-RI-NH (MA part) | 89 | 0.3 | 6 | - | 6 | - | 30.3 | 0.1 | 41 | - | 40.8 | - |
| Remainder of Massachusetts | 11 | - | S | S | S | S | 35.4 | - | S | S | S | S |
| Detroit-Warren-Flint, MI | 112 | 0.3 | S | S | S | S | 44 | 0.3 | S | S | S | S |
| Grand Rapids-Muskegon-Holland, MI | 64 | 0.2 | 12 | - | 13 | 0.1 | 42.5 | 0.1 | 29 | - | 29.5 | 0.1 |
| Remainder of Michigan | 311 | 0.9 | 56 | 0.2 | 59 | 0.3 | 47.8 | 0.5 | 37.1 | 0.1 | 36.8 | 0.5 |
| Minneapolis-St. Paul-St. Cloud, MN-WI (MN part) | 65 | 0.2 | 8 | - | 11 | 0.1 | 28.9 | 0.1 | 36.4 | - | 36.6 | - |
| Remainder of Minnesota | 17 | - | 4 | - | 6 | - | 33.1 | 0.1 | 26.6 | - | 28.3 | 0.1 |
| Kansas City-Overland Park-Kansas City, MO-KS (MO part) | 20 | 0.1 | S | S | S | S | 41.9 | 0.1 | S | S | S | S |
| St. Louis-St. Charles-Farmington, MO-IL (MO part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Missouri | 49 | 0.1 | S | S | S | S | 38.8 | 0.1 | S | S | S | S |
| Las Vegas-Paradise-Pahrump, NV | 2 | - | S | S | S | S | 49.4 | - | S | S | S | S |
| Remainder of Nevada | S | S | S | S | S | S | S | S | S | S | S | S |
| New York-Newark-Bridgeport, NY-NJ-CT-PA (NJ part) | 179 | 0.5 | S | S | S | S | 36.7 | 0.2 | S | S | S | S |
| Philadelphia-Camden-Vineland, PA-NJ-DE-MD (NJ part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of New Jersey | S | S | S | S | S | S | S | S | S | S | S | S |
| Albany-Schenectady-Amsterdam, NY | 16 | - | S | S | S | S | 44.9 | - | S | S | S | S |
| Buffalo-Niagara-Cattaraugus, NY | 35 | 0.1 | 6 | - | 12 | 0.1 | 30.3 | - | 32.5 | - | 45.7 | 0.1 |
| New York-Newark-Bridgeport, NY-NJ-CT-PA (NY part) | 340 | 1 | S | S | S | S | 32.2 | 0.4 | S | S | S | S |
| Rochester-Batavia-Seneca Falls, NY | S | S | 1 | - | 1 | - | S | S | 26.1 | - | 26.1 | - |
| Remainder of New York | 68 | 0.2 | S | S | S | S | 23 | 0.1 | S | S | S | S |
| Charlotte-Gastonia-Salisbury, NC-SC (NC part) | 1,544 | 4.4 | 734 | 2.2 | 184 | 1.1 | 21.2 | 1 | 23 | 1 | 24 | 0.9 |
| Greensboro--Winston-Salem--High Point, NC | 1,104 | 3.1 | 200 | 0.6 | 59 | 0.3 | 42.4 | 1.4 | 15.3 | 0.2 | 15.4 | 0.2 |
| Raleigh-Durham-Cary, NC | 314 | 0.9 | 60 | 0.2 | 17 | 0.1 | 43.8 | 0.5 | 25.9 | 0.1 | 25 | 0.1 |
| Remainder of North Carolina | 1,502 | 4.3 | 1,230 | 3.7 | 324 | 1.9 | 28 | 0.6 | 32.7 | 1.2 | 34.4 | 0.6 |
| Cincinnati-Middletown-Wilmington, OH-KY-IN (OH part) | 61 | 0.2 | 175 | 0.5 | 164 | 1 | 42.8 | 0.1 | 44.2 | 0.3 | 43.8 | 0.6 |
| Cleveland-Akron-Elyria, OH | 254 | 0.7 | S | S | S | S | 33.8 | 0.3 | S | S | S | S |
| Columbus-Marion-Chillicothe, OH | 134 | 0.4 | 26 | 0.1 | 18 | 0.1 | 31.1 | 0.2 | 46 | 0.1 | 47 | 0.1 |
| Dayton-Springfield-Greenville, OH | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Ohio | 149 | 0.4 | S | S | 47 | 0.3 | 27.9 | 0.2 | S | S | 46.9 | 0.5 |
| Oklahoma City-Shawnee, OK | S | S | S | S | S | S | S | S | S | S | S | S |
| Tulsa-Bartlesville, OK | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Oklahoma | 59 | 0.2 | 238 | 0.7 | 351 | 2.1 | 34.5 | 0.1 | 36.1 | 0.8 | 36.1 | 3.8 |
| Portland-Vancouver-Beaverton, OR-WA (OR part) | 21 | 0.1 | S | S | S | S | 41.5 | 0.1 | S | S | S | S |
| Remainder of Oregon | S | S | 2 | - | 6 | - | S | S | 40.7 | - | 41.2 | - |
| Philadelphia-Camden-Vineland, PA-NJ-DE-MD (PA part) | 62 | 0.2 | S | S | S | S | 39.6 | 0.1 | S | S | S | S |
| Pittsburgh-New Castle, PA | 94 | 0.3 | S | S | S | S | 28.7 | 0.1 | S | S | S | S |
| Remainder of Pennsylvania | 347 | 1 | S | S | S | S | 31.4 | 0.3 | S | S | S | S |
| Boston-Worcester-Manchester, MA-RI-NH (RI part) | 7 | - | - | - | - | - | 44.3 | - | 40 | - | 39.8 | - |
| Charleston-North Charleston, SC | 4,930 | 14 | 6,981 | 20.8 | 93 | 0.5 | 11 | 1.7 | 23.1 | 3 | 21.9 | 0.2 |
| Greenville-Spartanburg-Anderson, SC | 1,015 | 2.9 | 786 | 2.3 | 203 | 1.2 | 14.5 | 0.6 | 27.4 | 0.9 | 29.4 | 0.7 |
| Remainder of South Carolina | 3,355 | 9.5 | 3,266 | 9.7 | 335 | 2 | 15.1 | 1.7 | 23.1 | 2.5 | 19.1 | 1.2 |
| Memphis, TN-MS-AR (TN part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Nashville-Davidson--Murfreesboro--Columbia, TN | 535 | 1.5 | 83 | 0.2 | S | S | 43.1 | 0.7 | 35.3 | 0.2 | S | S |
| Remainder of Tennessee | 2,311 | 6.5 | 1,082 | 3.2 | 476 | 2.8 | 23.3 | 1.5 | 24.1 | 1.4 | 22.2 | 1.9 |
| Austin-Round Rock, TX | S | S | - | - | - | - | S | S | 32.1 | - | 32.2 | - |
| Beaumont-Port Arthur, TX | S | S | S | S | S | S | S | S | S | S | S | S |
| Corpus Christi-Kingsville, TX | S | S | S | S | S | S | S | S | S | S | S | S |
| Dallas-Fort Worth, TX | S | S | 18 | 0.1 | 20 | 0.1 | S | S | 37.4 | - | 37.2 | 0.1 |
| El Paso, TX | S | S | S | S | S | S | S | S | S | S | S | S |
| Houston-Baytown-Huntsville, TX | 205 | 0.6 | 165 | 0.5 | 201 | 1.2 | 29 | 0.2 | 37.8 | 0.2 | 38.1 | 1.4 |
| San Antonio, TX | S | S | - | - | - | - | S | S | 28.9 | - | 28.4 | - |
| Remainder of Texas | 77 | 0.2 | 39 | 0.1 | 54 | 0.3 | 26.5 | 0.1 | 46.3 | 0.1 | 47.3 | 0.4 |
| Salt Lake City-Ogden-Clearfield, UT | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Utah | S | S | S | S | S | S | S | S | S | S | S | S |
| Richmond, VA | 67 | 0.2 | 78 | 0.2 | 33 | 0.2 | 40.3 | 0.1 | 47.3 | 0.7 | 47.8 | 0.8 |
| Virginia Beach-Norfolk-Newport News, VA-NC (VA part) | S | S | S | S | S | S | S | S | S | S | S | S |
| Washington-Baltimore-Northern Virginia, DC-MD-VA-WV (VA part) | 2 | - | S | S | S | S | 17.7 | - | S | S | S | S |
| Remainder of Virginia | 296 | 0.8 | 78 | 0.2 | 31 | 0.2 | 23.3 | 0.2 | 37 | 0.1 | 34.1 | 0.1 |
| Seattle-Tacoma-Olympia, WA | S | S | S | S | S | S | S | S | S | S | S | S |
| Remainder of Washington | 7 | - | S | S | S | S | 34.8 | - | S | S | S | S |
| Milwaukee-Racine-Waukesha, WI | 54 | 0.2 | 5 | - | 7 | - | 43.9 | 0.1 | 39.4 | - | 44.9 | 0.1 |
| Remainder of Wisconsin | 173 | 0.5 | 89 | 0.3 | 106 | 0.6 | 30.5 | 0.1 | 36.8 | 0.2 | 37 | 1 |
KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - = Zero or Less than half the unit shown; thus, it has been rounded to zero.
1 Commodity Flow Survey (CFS) geographic areas were drawn from a subset of Combined Statistical Areas (CSAs) and Metropolitan Statistical Areas (MeSAs) as defined by the Office of Management and Budget (OMB). However, CFS metropolitan areas are divided into their state parts when they include more than one state. In addition, the CFS also utilizes a unique geography referred to as, "remainder of state," to represent those areas of a state not contained within a separately published metropolitan area for the CFS (as opposed to not part of any Core-Based Statistical Area (CBSA) as defined by OMB). Because of the differences in the CFS geography, as compared to OMB defined geography, caution should be exercised when comparing CFS estimates to other estimates of similar geography.
2 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.
3 Coefficient of Variation.
NOTES: Value-of-shipment estimates are reported in current prices. Estimated measures of sampling variability for each estimate known as coefficients of variation (CV) are also provided in these tables. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/publications/commodity_flow_survey/.
Rows are not shown if all cells for that particular row have no value. For example, Washington-Arlington-Alexandria, DC-VA-MD-WV (DC part) by Grand Rapids-Muskegon-Holland, MI has no data for any shipment characteristic therfore the entire row is not shown.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009.