Burlington Northern Santa Fe locomotives are seen at a maintenance and overhaul building Tuesday, Nov. 3, 2009, at the BNSF rail yard in Galesburg, Ill. Warren Buffett’s Berkshire Hathaway Inc. on Tuesday agreed to buy Burlington Northern Santa Fe Corp. for $34 billion. (AP Photo/The Register-Mail, Bill Gaither)
Warren Buffett owns the BNSF Railway Co.
FILE - This Nov. 6, 2013, file photo, shows a BNSF Railway train hauling crude oil near Wolf Point, Mont. Railroads that haul volatile crude shipments have reached an agreement with U.S. transportation officials to adopt wide-ranging voluntary safety measures after a string of explosive and deadly accidents. (AP Photo/Matthew Brown, File)