Table 4b. Shipment Characteristics by Shipment Weight: 2007 and 2002
Table 4b. Shipment Characteristics by Shipment Weight: 2007 and 2002
[Estimates are based on data from the 2007 and 2002 Commodity Flow Surveys. Because of rounding, estimates may not be additive]
| Shipment Weight | Value | Tons | Ton-miles1 | Average miles per shipment | Value CV2 | Value Std. Error of % change | Tons CV | Tons Std. Error of % change | Ton-miles CV | Ton-miles Std. Error of % change | Average miles CV | Avg. miles Std. Error of % change | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 (million $) |
2002 (million $) |
Percent change |
2007 (thousands) |
2002 (thousands) |
Percent change |
2007 (millions) |
2002 (millions) |
Percent change |
2007 | 2002 | Percent change | 2007 | 2002 | 2007 | 2002 | 2007 | 2002 | 2007 | 2002 | |||||
| All shipment sizes | 11,684,872 | 8,397,210 | 39.2 | 12,543,425 | 11,667,919 | 7.5 | 3,344,658 | 3,137,898 | 6.6 | 619 | 546 | 13.5 | 0.8 | 1.3 | 2.1 | 1.6 | 2 | 2.8 | 3.6 | 3.7 | 5.4 | 2.5 | 2.9 | 4.4 |
| Less than 50 lbs | 1,480,208 | 991,839 | 49.2 | 24,828 | 18,543 | 33.9 | 15,128 | 9,911 | 52.6 | 769 | 696 | 10.4 | 1.9 | 2.5 | 4.7 | 2.1 | 2.7 | 4.5 | 3.4 | 3.5 | 7.4 | 2.6 | 2.8 | 4.2 |
| 50 to 99 lbs | 388,649 | 295,607 | 31.5 | 16,630 | 14,432 | 15.2 | 6,675 | 5,072 | 31.6 | 406 | 358 | 13.4 | 2.6 | 5.6 | 8.1 | 2 | 4.7 | 5.9 | 3.9 | 6.8 | 10.3 | 3 | 5.4 | 7 |
| 100 to 499 lbs | 1,094,506 | 811,133 | 34.9 | 96,679 | 85,224 | 13.4 | 26,644 | 21,920 | 21.6 | 287 | 263 | 9.3 | 1.9 | 3 | 4.7 | 1.4 | 3.4 | 4.1 | 3.4 | 2.6 | 5.1 | 2.7 | 3.5 | 4.8 |
| 500 to 749 lbs | 309,788 | 246,872 | 25.5 | 47,963 | 40,816 | 17.5 | 10,974 | 9,473 | 15.8 | 229 | 232 | -1.1 | 1.9 | 3.3 | 4.8 | 1.3 | 3.3 | 4.2 | 2.4 | 2.8 | 4.3 | 2.6 | 3.3 | 4.2 |
| 750 to 999 lbs | 227,805 | 182,832 | 24.6 | 43,626 | 35,892 | 21.5 | 9,573 | 7,799 | 22.8 | 217 | 216 | 0.6 | 3.1 | 3.8 | 6.1 | 1.7 | 4.6 | 6 | 5.5 | 2.6 | 7.6 | 4.8 | 4.4 | 6.5 |
| 1,000 to 9,999 lbs | 2,381,303 | 1,781,947 | 33.6 | 709,781 | 614,243 | 15.6 | 167,196 | 154,986 | 7.9 | 227 | 245 | -7.5 | 1.8 | 2.6 | 4.3 | 1.1 | 1.9 | 2.5 | 1.7 | 3.7 | 4.4 | 1.7 | 2.8 | 3 |
| 10,000 to 49,999 lbs | 3,984,093 | 3,075,335 | 29.5 | 5,267,458 | 4,453,871 | 18.3 | 984,285 | 882,900 | 11.5 | 194 | 202 | -4.2 | 1.8 | 1.7 | 3.2 | 1.8 | 3.3 | 4.4 | 1.2 | 2.1 | 2.7 | 1.5 | 2.7 | 3 |
| 50,000 to 99,999 lbs | 685,084 | 390,050 | 75.6 | 2,340,485 | 2,129,556 | 9.9 | 212,678 | 189,129 | 12.5 | 89 | 87 | 1.9 | 3.3 | 3.6 | 8.5 | 2.2 | 3.8 | 4.8 | 3.1 | 4.6 | 6.2 | 3 | 4.5 | 5.5 |
| 100,000 lbs or more | 1,133,436 | 621,594 | 82.3 | 3,995,975 | 4,275,342 | -6.5 | 1,911,504 | 1,856,708 | 3.0 | 595 | 477 | 24.8 | 4.4 | 6.5 | 14.3 | 3.3 | 3.4 | 4.4 | 5.9 | 6.2 | 8.7 | 2.9 | 3.2 | 5.4 |
1 Ton-miles estimates are based on estimated distances
traveled along a modeled transportation network.
2 Coefficient of Variation.
NOTES: Value-of-shipments estimates are reported in current prices . More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/cfs.
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.