Home/American Shipper/Trucking tonnage ends 2012 on high note American Shipper Trucking tonnage ends 2012 on high note FreightWaves Staff · Thursday, January 24, 2013 “As paychecks shrink for all households due to higher taxes, I’m expecting a weak first quarter (2013) for tonnage and the broader economy,” the ATA’s chief economist, Bob Costello, warned in a statement.