Average Weekly Total
tons
Month to Date Total
501,500 tons
Year to Date Total
1,866,643 tons
In an average week, the O'Brien locks transport 140,000 tons of goods, based on a 3 year moving average for 2006-2008 compiled by DePaul University. The weekly figure above is for demonstration purposes only and does not indicate the actual week to date figures for the locks.
Month-to-date figures are updated daily based on Army Corps of Engineers data for the prior 30 days of lock activity. Year-to-date data is based on Army Corps of Engineers records from January 1st, 2010.
