FILE - In this Friday, Dec. 20, 2019, file photo, shipping containers are offloaded at a BNSF Railway intermodal facility as the sun sets in Edgerton, Kan. Federal regulators say the nations four largest railroads, Union Pacific, BNSF, CSX and Norfolk Southern, shouldnt be able to exclude all the details of their conversations from a lawsuit challenging the way they set rates in the past. (AP Photo/Charlie Riedel, File)