Figure 1-4 U.S. Locks, Percent Vessels Delayed, 1993-2006

Figure 1-4 U.S. Locks, Percent Vessels Delayed, 1993-2006

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  Percent Vessels Delayed (%)
1993 37.59
1994 36.45
1995 36.28
1996 37.34
1997 37.27
1998 35.61
1999 35.76
2000 37.19
2001 37.96
2002 36.79
2003 36.42
2004 38.02
2005 39.02
2006 39.31

NOTE: The percentage of all vessels delayed before passing through a lock chamber.

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.

  • Vessel delays have increased dramatically since 2003.
  • Age of locks is considered to be a major factor in vessel delays.