Home/American Shipper/CSX completes first phase of National Gateway American ShipperIntermodal CSX completes first phase of National Gateway FreightWaves Staff · Tuesday, September 10, 2013 Facebook Twitter/X LinkedInThe Jacksonville, Fla.-based railroad said double-stacked intermodal service is now possible between its existing terminal in Chambersburg, Pa., and the new high-tech, intermodal hub in North Baltimore, Ohio.