USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

Figure 4-6 Total Number of Hours of Lock Closures: 2000-2015

Friday, February 17, 2017

Table Version | Excel

Figure 4-6 Total Number of Hours of Lock Closures: 2000-2015

SOURCE: U.S. Army Corps of Engineers, Navigation Data Center, Lock Performance Monitoring System. Locks by Waterway, Locks Unavailability, Calendar Years 1993-2015
(May 22, 2015). Available at http://www.navigationdatacenter.us/ as of May 2016.