Home/American Shipper/U.S. intermodal traffic reaches new heights American ShipperIntermodal U.S. intermodal traffic reaches new heights FreightWaves Staff · Friday, July 06, 2012 Facebook Twitter/X LinkedIn“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,” said the Association of American Railroads.