The Association of American Railroads reported U.S. rail carloads originated in June 2012 totaled 1,140,271, down 1.3 percent compared with June 2011. Intermodal volume in June 2012 totaled 996,022 containers and trailers, up 49,168 units or 5.2 percent compared with June 2011. The June 2012 average weekly intermodal volume of 249,006 units is the highest average for any June on record and the third-highest for any month, behind August and October 2006.