Related by context. Frequent words. (Click for all words.) 81 BNSF 62 Pacific Railroad 62 railroad 60 Norfolk Southern 59 CSX 55 railroads 51 Kinder Morgan 51 CSX Corp. 48 freight trains 48 Berkshire Hathaway 47 Railroads 47 Peabody Energy 46 railcars 46 Railroad 44 railcar 44 Federal Railroad 43 rail freight 43 Southwest Airlines Co. 43 derailment 43 KCS 43 Arch Coal 43 Warren Buffett Berkshire Hathaway 43 Metra 43 ConocoPhillips 42 intermodal 42 rail 42 Asarco 42 freight train 42 locomotive 42 AMR Corp. 42 commuter rail 42 Grupo Mexico 42 Exxon Mobil Corp. 42 Amtrak 41 Celanese 41 Powder River Basin 41 Archer Daniels Midland 41 CN 41 railway 40 Buffett 40 ConAgra 40 locomotives 40 Xcel Energy 40 parent AMR 40 Sound Transit 40 Railway 40 TransCanada 40 Metrolink 39 Chesapeake Energy 39 Weyerhaeuser 39 Enbridge 39 Chevron Corp. 39 UAL 39 XTO 39 Allied Waste 38 CF Industries 38 Warren Buffett 38 Caltrain 38 SBC Communications Inc. 38 Teck Cominco 38 AMR 38 MidAmerican 38 Lubrizol 38 NorthWestern 38 Tyson Foods Inc. 38 Qwest Communications 38 Valero Energy 37 Ameren 37 BHP 37 YRC 37 Nucor 37 Hormel 37 railroad tracks 37 Fortune Brands 37 CenterPoint 37 Potash Corp. 37 freight 37 AAR 37 SkyWest 37 Asciano 37 Dean Foods 37 Amtrak train 36 International Business Machines 36 AirTran 36 Qwest 36 MSFT 36 Southwest Airlines 36 streetcar 36 Deutsche Bahn 36 CVRD 36 MnDOT 36 Conoco 36 TriMet 36 Northwest Airlines 36 Terex 36 Encana 36 TxDOT 36 train derailment 36 ONEOK 36 TXU 36 commuter train