Home/American Shipper/Cargo volume up at Port of Virginia, growth expected from G6 changes American Shipper Cargo volume up at Port of Virginia, growth expected from G6 changes FreightWaves Staff · Thursday, March 13, 2014 Facebook Twitter Pinterest LinkedIn Cargo volume at The Port of Virginia increased 6 percent in February when compared to the same month last year, the port said Thursday, adding that it anticipates an increase in volume soon as the G6 alliance makes changes.