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

Table 4. Shipment Characteristics by Mode of Transportation and Shipment Weight for State of Origin: 2007

Tuesday, July 3, 2012

Table 4. Shipment Characteristics by Mode of Transportation and Shipment Weight for State of Origin: 2007

Estimates are based on the 2007 Commodity Flow Survey. Because of rounding, estimates may not be additive.

Excel | CSV

All modes

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 563,187 100 475,857 100 96,370 100 580 4.7 - 3.7 - 7.1 - 6.3
Less than 50 lbs 71,346 12.7 1,015 0.2 621 0.6 700 12.3 1.2 6.6 - 8.3 0.1 5.5
50 - 99 lbs 13,036 2.3 629 0.1 222 0.2 353 9.1 0.2 10.5 - 8.6 - 6.4
100 - 499 lbs 44,357 7.9 3,831 0.8 1,105 1.1 294 13.1 0.7 7 0.1 8 0.1 6.7
500 - 749 lbs 15,517 2.8 1,939 0.4 517 0.5 269 19.3 0.4 5.5 - 6.7 - 10.9
750 - 999 lbs 9,817 1.7 1,619 0.3 389 0.4 240 7.4 0.1 4.8 - 4 - 6.1
1,000 - 9,999 lbs 109,644 19.5 32,123 6.8 7,666 8 236 9.2 1 4.3 0.2 7.2 0.7 3.7
10,000 - 49,999 lbs 237,896 42.2 243,731 51.2 46,327 48.1 198 3.8 1.7 7.3 2.8 4.7 2.5 5.5
50,000 - 99,999 lbs 30,704 5.5 84,640 17.8 6,076 6.3 68 12.2 0.6 7 1 8 0.4 7.3
More than 100,000 lbs 30,870 5.5 106,329 22.3 33,448 34.7 455 20.3 1.2 13.3 2.9 16.5 3.5 11.9

Single modes

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 473,247 100 450,725 100 81,054 100 315 4.9 - 3.4 - 7.8 - 17
Less than 50 lbs 17,918 3.8 308 0.1 96 0.1 463 23.7 0.8 14.6 - 40.2 - 20.5
50 - 99 lbs 6,187 1.3 387 0.1 70 0.1 177 17 0.2 16.3 - 19.8 - 8.1
100 - 499 lbs 35,294 7.5 3,408 0.8 849 1 238 15.5 0.8 7.8 0.1 10.7 0.1 8
500 - 749 lbs 14,166 3 1,842 0.4 437 0.5 240 20.5 0.4 6.2 - 6.3 - 8.2
750 - 999 lbs 9,460 2 1,587 0.4 368 0.5 232 7.4 0.2 4.8 - 3.9 - 6.4
1,000 - 9,999 lbs 106,806 22.6 31,574 7 7,382 9.1 232 9.5 1.1 4.4 0.2 7.5 0.8 3.9
10,000 - 49,999 lbs 230,102 48.6 238,902 53 42,944 53 189 3.8 1.7 7.4 2.9 4.1 2.5 5.3
50,000 - 99,999 lbs 29,153 6.2 80,915 18 5,229 6.5 63 12.5 0.8 7.5 1.2 6.5 0.4 7.8
More than 100,000 lbs 24,161 5.1 91,802 20.4 23,680 29.2 379 22.7 1.3 14.9 3 21.4 3.5 8.7

Truck3

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 437,806 100 370,509 100 58,488 100 308 5.6 - 5.8 - 6.5 - 17.9
Less than 50 lbs 16,852 3.8 304 0.1 92 0.2 450 25.8 0.9 14.9 - 42.7 - 22.4
50 - 99 lbs 6,007 1.4 385 0.1 67 0.1 172 17.6 0.2 16.4 - 21 - 8.8
100 - 499 lbs 34,577 7.9 3,397 0.9 836 1.4 235 15.8 0.8 7.8 0.1 10.9 0.1 8.2
500 - 749 lbs 13,963 3.2 1,837 0.5 431 0.7 237 21 0.5 6.2 - 6.6 - 8.5
750 - 999 lbs 9,249 2.1 1,580 0.4 358 0.6 227 7.4 0.2 4.9 - 4.1 - 6.5
1,000 - 9,999 lbs 105,680 24.1 30,952 8.4 7,319 12.5 232 9.6 1 5.1 0.4 7.6 0.9 3.8
10,000 - 49,999 lbs 222,896 50.9 236,728 63.9 41,682 71.3 185 4.2 1.7 7.4 1.9 4.5 1.4 5.7
50,000 - 99,999 lbs 25,387 5.8 76,050 20.5 4,577 7.8 59 11.9 0.9 7.1 1.4 7.5 0.2 9.1
More than 100,000 lbs 3,194 0.7 19,278 5.2 3,125 5.3 151 22 0.2 27.5 1.2 49 1.8 25.7

For-hire truck

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 289,777 100 188,590 100 46,505 100 635 6.1 - 5 - 7.1 - 14.5
Less than 50 lbs 9,264 3.2 97 0.1 74 0.2 926 43.5 1.2 33 - 48.3 - 15.9
50 - 99 lbs 2,756 1 118 0.1 51 0.1 424 30.4 0.2 35.4 - 25.2 - 12.7
100 - 499 lbs 20,965 7.2 1,212 0.6 705 1.5 576 22.6 1.1 10.2 0.1 12 0.1 4.4
500 - 749 lbs 8,956 3.1 715 0.4 356 0.8 503 30.2 0.7 9.7 0.1 8.3 0.1 6.9
750 - 999 lbs 5,731 2 595 0.3 295 0.6 499 9.9 0.3 6 - 5.4 0.1 8
1,000 - 9,999 lbs 68,560 23.7 13,498 7.2 5,584 12 436 11.4 1.7 5.6 0.5 6.7 0.8 3.4
10,000 - 49,999 lbs 157,530 54.4 119,278 63.2 33,697 72.5 300 5.7 2.5 3.2 1.7 4.4 1.7 3.3
50,000 - 99,999 lbs 13,819 4.8 39,086 20.7 2,908 6.3 72 17.7 0.9 9.2 1.3 9.6 0.5 9.9
More than 100,000 lbs 2,195 0.8 13,992 7.4 S S 173 28.1 0.3 29.4 1.7 S S 34.4

Private truck

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 148,029 100 181,919 100 11,983 100 100 7.8 - 9.6 - 9.2 - 17.5
Less than 50 lbs 7,588 5.1 207 0.1 18 0.1 146 21.6 0.9 12.8 - 27.2 - 25.1
50 - 99 lbs 3,251 2.2 267 0.1 17 0.1 61 14.4 0.2 13.8 - 15.9 - 9.8
100 - 499 lbs 13,612 9.2 2,185 1.2 132 1.1 59 18.7 0.9 11.5 0.2 9 0.1 6.4
500 - 749 lbs 5,007 3.4 1,122 0.6 74 0.6 66 15.4 0.3 9.9 0.1 9.1 0.1 7.6
750 - 999 lbs 3,517 2.4 985 0.5 63 0.5 64 12.8 0.2 8.1 0.1 9 0.1 7.5
1,000 - 9,999 lbs 37,120 25.1 17,454 9.6 1,735 14.5 90 8.5 1.9 6.8 1 17.6 1.6 8.8
10,000 - 49,999 lbs 65,366 44.2 117,450 64.6 7,985 66.6 76 7.6 1.3 13.7 3.3 10.5 2.3 8.5
50,000 - 99,999 lbs 11,567 7.8 36,964 20.3 1,669 13.9 45 18.2 1.3 13.5 2.5 15 1.9 10
More than 100,000 lbs 1,000 0.7 5,286 2.9 291 2.4 59 35 0.2 36.3 1.1 44.3 1 18.7

Rail

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 23,740 100 59,644 100 19,719 100 516 21.6 - 20.4 - 18.1 - 11.9
Less than 50 lbs - - - - - - - - - - - - - -
50 - 99 lbs - - - - - - - - - - - - - -
100 - 499 lbs S S S S S S S S S S S S S S
500 - 749 lbs S S - - S S S S S 35 - S S S
750 - 999 lbs S S S S S S S S S S S S S S
1,000 - 9,999 lbs 66 0.3 12 - 20 0.1 1,459 29.2 0.3 23.3 - 40.8 0.1 25.6
10,000 - 49,999 lbs 6,827 28.8 1,705 2.9 1,211 6.1 754 30.5 8.5 21.1 0.9 19.3 1.8 22.7
50,000 - 99,999 lbs 2,187 9.2 1,896 3.2 564 2.9 299 24.3 2 25.9 0.9 20.8 0.8 19.1
More than 100,000 lbs 14,632 61.6 56,031 93.9 17,924 90.9 468 35.4 8.8 21.3 1.8 20.5 2.3 10.5

Water

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 457 100 7,591 100 2,041 100 S 22 - 33.7 - 32.4 - S
Less than 50 lbs - - - - - - - - - - - - - -
50 - 99 lbs - - - - - - - - - - - - - -
100 - 499 lbs S S S S S S S S S S S S S S
500 - 749 lbs S S S S S S S S S S S S S S
750 - 999 lbs S S S S S S S S S S S S S S
1,000 - 9,999 lbs S S S S S S S S S S S S S S
10,000 - 49,999 lbs S S S S S S S S S S S S S S
50,000 - 99,999 lbs - - - - - - - - - - - - - -
More than 100,000 lbs 401 87.7 7,566 99.7 2,021 99 S 29 12.3 33.9 12.6 33.2 12 S

Shallow draft

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 457 100 7,591 100 2,041 100 S 22 - 33.7 - 32.4 - S
Less than 50 lbs - - - - - - - - - - - - - -
50 - 99 lbs - - - - - - - - - - - - - -
100 - 499 lbs S S S S S S S S S S S S S S
500 - 749 lbs S S S S S S S S S S S S S S
750 - 999 lbs S S S S S S S S S S S S S S
1,000 - 9,999 lbs S S S S S S S S S S S S S S
10,000 - 49,999 lbs S S S S S S S S S S S S S S
50,000 - 99,999 lbs - - - - - - - - - - - - - -
More than 100,000 lbs 401 87.7 7,566 99.7 2,021 99 S 29 12.3 33.9 12.6 33.2 12 S

Air (incl truck and air)

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 3,173 100 172 100 133 100 1,121 11.7 - 49.2 - 38.7 - 6.6
Less than 50 lbs 1,066 33.6 4 2.5 5 3.5 1,127 27 4.7 18.3 1.7 27.5 1.5 8.7
50 - 99 lbs 180 5.7 2 1.4 3 1.9 1,048 26.5 1.3 25.4 1.8 29.7 1.8 7.3
100 - 499 lbs 715 22.5 11 6.7 12 9.4 1,049 16.1 4 28.7 5.9 19.6 5.5 15.4
500 - 749 lbs 176 5.6 5 2.7 6 4.2 1,218 24.3 1.6 21.9 1.4 29.3 1.1 9
750 - 999 lbs 210 6.6 5 3.1 S S 1,874 32.2 2.4 42.8 2.8 S S 14.2
1,000 - 9,999 lbs 731 23 30 17.2 28 21.4 1,028 23 4.7 19.5 6 14.7 5.7 10.7
10,000 - 49,999 lbs 85 2.7 S S S S 644 37.9 2.8 S S S S 15.1
50,000 - 99,999 lbs S S S S S S S S S S S S S S
More than 100,000 lbs S S S S S S S S S S S S S S

Pipeline4

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 8,071 100 12,808 100 S S S 30.1 - 27.6 - S S S
Less than 50 lbs S S S S S S S S S S S S S S
50 - 99 lbs - - - - - - - - - - - - - -
100 - 499 lbs - - - - - - - - - - - - - -
500 - 749 lbs S S S S S S S S S S S S S S
750 - 999 lbs S S S S S S S S S S S S S S
1,000 - 9,999 lbs S S S S S S S S S S S S S S
10,000 - 49,999 lbs S S S S S S S S S S S S S S
50,000 - 99,999 lbs S S S S S S S S S S S S S S
More than 100,000 lbs 5,925 73.4 8,844 69.1 S S S 43.7 12 41.9 12.6 S S S

Multiple modes

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 81,159 100 19,033 100 14,200 100 782 7 - 13.8 - 14.8 - 3.1
Less than 50 lbs 52,094 64.2 691 3.6 524 3.7 788 10.6 3.3 6.9 0.8 7.7 0.7 3.3
50 - 99 lbs 6,701 8.3 231 1.2 151 1.1 656 11.5 0.9 4 0.3 5.4 0.2 2.9
100 - 499 lbs 8,601 10.6 370 1.9 252 1.8 693 11.2 1.2 6.2 0.4 6.5 0.2 3.8
500 - 749 lbs 1,273 1.6 77 0.4 78 0.6 1,013 20 0.3 22.4 0.1 47.4 0.2 16.6
750 - 999 lbs 323 0.4 20 0.1 18 0.1 882 27.6 0.1 16.7 - 21.7 - 16.8
1,000 - 9,999 lbs 440 0.5 61 0.3 116 0.8 1,695 22.8 0.1 19.9 - 15.7 0.3 14.4
10,000 - 49,999 lbs 4,697 5.8 2,040 10.7 2,789 19.6 1,414 18.4 1 25.9 2.2 19.8 5.9 8.9
50,000 - 99,999 lbs 880 1.1 S S 682 4.8 S 28.5 0.3 S S 33.6 2 S
More than 100,000 lbs 6,151 7.6 12,790 67.2 9,591 67.5 757 24 1.8 14 5.7 22.4 7.4 14.5

Parcel, U.S.P.S. or courier

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 68,898 100 1,383 100 1,010 100 782 8.1 - 4 - 5.9 - 3.2
Less than 50 lbs 52,092 75.6 691 50 524 51.8 788 10.6 2.5 6.9 2.1 7.7 2.1 3.3
50 - 99 lbs 6,700 9.7 231 16.7 151 14.9 655 11.5 1 4.1 0.4 5.4 0.6 2.9
100 - 499 lbs 8,573 12.4 368 26.6 250 24.8 692 11.3 1.5 6.3 1.8 6.6 1.9 3.8
500 - 749 lbs 1,260 1.8 75 5.4 72 7.1 942 20.2 0.3 22.4 1.1 46 2.4 15.7
750 - 999 lbs 271 0.4 17 1.3 14 1.4 799 28.5 0.1 18.1 0.2 27.7 0.4 22.9
1,000 - 9,999 lbs S S S S S S S S S S S S S S
10,000 - 49,999 lbs - - - - - - - - - - - - - -
50,000 - 99,999 lbs - - - - - - - - - - - - - -
More than 100,000 lbs - - - - - - - - - - - - - -

Truck and rail

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 11,228 100 14,228 100 9,993 100 787 16.6 - 16 - 19.2 - 13.2
Less than 50 lbs 2 - S S - - S 35.4 - S S 43.7 - S
50 - 99 lbs 1 - - - - - S 37.4 - 41.6 - 28.1 - S
100 - 499 lbs 6 0.1 1 - S S S 36.7 0.1 47.7 - S S S
500 - 749 lbs S S S S - - S S S S S 28.7 - S
750 - 999 lbs 4 - 1 - 1 - S 48.8 0.2 31.5 - 31.2 - S
1,000 - 9,999 lbs 329 2.9 49 0.3 72 0.7 1,203 23 1.2 24.4 0.1 20.7 0.2 15.5
10,000 - 49,999 lbs 4,374 39 1,923 13.5 2,513 25.1 1,338 18.8 5.2 27.4 4.2 21 8.2 9.2
50,000 - 99,999 lbs 834 7.4 S S 557 5.6 S 29.6 2.1 S S 36.5 3 S
More than 100,000 lbs 5,676 50.5 9,730 68.4 6,850 68.5 708 24.9 6 18.5 8.3 28.6 9.3 13.7

Truck and water

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 606 100 793 100 S S 2,586 36.7 - 48.5 - S S 28.7
Less than 50 lbs - 0.1 - - S S 2,529 32.8 1.6 44.6 - S S 23.1
50 - 99 lbs S S S S S S S S S S S S S S
100 - 499 lbs S S - 0.1 1 0.1 S S S 48.3 0.3 40.4 0.8 S
500 - 749 lbs S S S S S S 7,419 S S S S S S 26.4
750 - 999 lbs 1 0.2 - - 1 0.1 S 49.6 0.7 37.2 0.4 34.3 1.7 S
1,000 - 9,999 lbs 89 14.7 9 1.2 38 4 3,794 29.7 4.9 31 4.3 42.2 7.8 14.9
10,000 - 49,999 lbs 233 38.5 S S 119 12.5 1,960 42.6 12.8 S S 29.1 15.1 27.6
50,000 - 99,999 lbs S S S S 97 10.2 S S S S S 25.8 17.5 S
More than 100,000 lbs S S S S S S S S S S S S S S

Rail and water

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 119 100 1,554 100 608 100 2,076 39.9 - 49.4 - 45.8 - 31.1
Less than 50 lbs - - - - - - - - - - - - - -
50 - 99 lbs - - - - - - - - - - - - - -
100 - 499 lbs - - - - - - - - - - - - - -
500 - 749 lbs - - - - - - - - - - - - - -
750 - 999 lbs S S S S S S S S S S S S S S
1,000 - 9,999 lbs S S S S S S S S S S S S S S
10,000 - 49,999 lbs S S S S S S 3,702 S S S S S S 33.6
50,000 - 99,999 lbs - - - - - - - - - - - - - -
More than 100,000 lbs S S 1,542 99.3 567 93.2 367 S S 24.6 0.5 23.6 3.7 1.7

Other multiple modes

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 309 100 S S 1,635 100 2,948 38.4 - S S 46.7 - 24.3
Less than 50 lbs - - - - - - - - - - - - - -
50 - 99 lbs - - - - - - - - - - - - - -
100 - 499 lbs S S S S S S S S S S S S S S
500 - 749 lbs - - - - - - - - - - - - - -
750 - 999 lbs - - - - - - - - - - - - - -
1,000 - 9,999 lbs S S S S S S S S S S S S S S
10,000 - 49,999 lbs S S S S S S 3,907 S S S S S S 26.2
50,000 - 99,999 lbs S S S S S S S S S S S S S S
More than 100,000 lbs S S S S S S 2,217 S S S S S S 27.6

Other and unknown modes

Shipment Weight Value Tons Ton-miles1 Average miles per shipment Value Tons Ton-miles Average miles per shipment CV
2007
(million $)		 Percent 2007
(thousands)		 Percent 2007
(millions)		 Percent CV2 Standard
Error of %		 CV Standard
Error of %		 CV Standard
Error of %
Total 8,781 100 6,100 100 1,116 100 60 15.2 - 27.5 - 27.1 - 44.6
Less than 50 lbs 1,334 15.2 16 0.3 1 0.1 29 40.4 4.3 23.6 0.1 21 - 46.2
50 - 99 lbs 148 1.7 12 0.2 1 0.1 S 24.4 0.5 16.5 - 43 0.1 S
100 - 499 lbs 462 5.3 53 0.9 5 0.4 S 27 1.6 21 0.3 26.3 0.2 S
500 - 749 lbs 78 0.9 20 0.3 2 0.2 S 32.2 0.8 24.4 0.1 37.9 0.1 S
750 - 999 lbs 34 0.4 12 0.2 S S S 24.4 0.1 25.3 0.1 S S S
1,000 - 9,999 lbs 2,397 27.3 489 8 169 15.1 347 18.3 5 14.4 1.8 17.8 6.1 17.5
10,000 - 49,999 lbs 3,097 35.3 2,788 45.7 594 53.2 205 25.5 5.9 20.4 8.6 46.1 7 21.3
50,000 - 99,999 lbs 671 7.6 973 15.9 S S 127 41.3 3.4 36.5 6.9 S S 27.6
More than 100,000 lbs S S S S S S S S S S S S S S

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 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.
2 Coefficient of Variation.
3 "Truck" as a single mode includes shipments that were made by only private truck, only for-hire truck, or a combination of private truck and for-hire truck.
4 Estimates for pipeline exclude shipments of crude petroleum.

NOTES: Rows are not shown if all cells for that particular state by mode have no data. For example, since North Carolina by "Pipeline" has no data for any weight grouping, the entire mode of "Pipeline" for that state was removed from this table. However, if a state by mode has at least one row of data for one of the weight groupings, then the entire state by mode is shown even though there may be rows absent of data within that mode. For example, North Carolina by "Air" has a few rows absent of data but since the other rows within that mode do have data, that state by mode will be shown in its entirety for all the weight groupings. Value-of-shipments estimates have not been adjusted for price changes. 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/.

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.