Figure 1-3 U.S. Lock Usage by Type, 1993-2006
Figure 1-3 U.S. Lock Usage by Type, 1993-2006
Excel | CSV | Graphic Version
| Barges Empty | Barges Loaded | Commercial Lockages | Commercial Vessels | Other Lockages* | Other Vessels* | |
|---|---|---|---|---|---|---|
| 1993 | 955,596 | 1,601,853 | 471,605 | 536,716 | 10,462 | 12,351 |
| 1994 | 976,444 | 1,761,123 | 501,045 | 571,472 | 11,996 | 14,310 |
| 1995 | 1,038,496 | 1,756,099 | 495,506 | 564,153 | 12,580 | 14,815 |
| 1996 | 1,036,587 | 1,730,702 | 488,051 | 557,010 | 12,232 | 14,028 |
| 1997 | 1,002,348 | 1,701,706 | 486,199 | 555,440 | 12,263 | 13,969 |
| 1998 | 967,426 | 1,734,723 | 485,390 | 552,841 | 13,144 | 14,997 |
| 1999 | 1,049,631 | 1,808,014 | 497,084 | 559,888 | 13,025 | 14,759 |
| 2000 | 996,008 | 1,764,081 | 582,776 | 544,778 | 9,352 | 10,655 |
| 2001 | 946,613 | 1,691,546 | 555,926 | 525,856 | 9,639 | 10,901 |
| 2002 | 1,003,131 | 1,744,881 | 571,310 | 535,587 | 9,350 | 10,668 |
| 2003 | 930,941 | 1,622,718 | 547,589 | 515,047 | 9,578 | 11,158 |
| 2004 | 878,515 | 1,619,610 | 539,204 | 518,448 | 10,215 | 13,092 |
| 2005 | 893,100 | 1,642,297 | 535,021 | 515,393 | 9,941 | 12,784 |
| 2006 | 905,839 | 1,655,604 | 538,580 | 507,093 | 9,864 | 12,631 |
NOTE: * "Other lockages" and "other" vessels are too close to the x axis to be seen.
SOURCE: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, Navigation Data Center, available at http://www.iwr.usace.army.mil/ndc as of April 2007.