U.S. Intermodal freight volume rose 5.2 percent year-on-year in June to 996,022 containers and trailers, the Association of American Railroads reported this week. Intermodal volume has been on such a high that average weekly traffic in June was the third highest of any month on record. “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,” AAR ...