alabama alabama great southern railroad allentown queen city municipal airport alternating current alton railroad american civil war amtrak ann arbor railroad atlanta atlantic coast line railroad auto-train corporation autorack bnsf railway bethlehem pike bituminous coal buffalo line burlington-rock island railroad burlington northern railroad csx transportation canada canadian national railway canadian northern railway canadian pacific railway cedar crest boulevard central new england railway central railroad of new jersey central railroad of pennsylvania central vermont railway central of georgia railway chessie system chicago chicago great western railway city point railroad class i railroad classification yard clean water act clinchfield railroad coal coal pier colorado midland railway consolidated rail corporation copper range railroad corridorone cumberland valley railroad delaware diesel direct current eastern united states electric locomotive electro-motive diesel enola branch erie lackawanna railway erie railroad ferromex ferrosur florida florida east coast railway georgia northern railway georgia railroad and banking company grand trunk corporation grand trunk western railroad html hampton roads harrisburg line harrisburg transportation center history of railroads in michigan hocking valley railway illinois illinois central railroad illinois terminal railroad inch indiana intermodal freight transport international-great northern railroad interstate commerce commission kankakee belt route kansas city southern railway kentucky keystone service lehigh canal lehigh street lehigh valley lehigh valley international airport lehigh valley railroad lehigh and northampton transportation authority level crossing list of norfolk southern railway lines long island rail road louisiana lurgan branch maine central railroad maryland michigan michigan central railroad middletown and hummelstown railroad midland valley railroad millimetre mississippi mississippi central railroad missouri missouri-kansas-texas railroad missouri pacific railroad monon railroad monongahela railway montour railroad nevada northern railway new jersey new york new york central railroad new york connecting railroad news release norfolk and petersburg railroad norfolk and western railway north america north carolina northern central railway northern pacific railway northwestern pacific railroad ohio oklahoma city-ada-atoka railway ontario oregon electric railway oregon railroad and navigation company oregon short line railroad pacific electric railway pan am railways pan am southern penn central pennsylvania pennsylvania-reading seashore lines pennsylvania company pennsylvania lines llc pennsylvania railroad pere marquette railway pope lick monster port reading railroad rail gauge rail transport railfan reading company reporting mark richmond and danville railroad roadrailer rutland railway sacramento northern railway seaboard air line railroad seaboard coast line railroad seaboard system railroad soo line railroad south carolina southern pacific transportation company spokane international railroad standard gauge staten island railway steam locomotive steel mill steve kolander surface transportation board tennessee tennessee central railway texas mexican railway trans-bridge lines transportation communications international union union pacific railroad united states united transportation union utah railway via rail virginia virginian railway wabash railroad west virginia western maryland railway western pacific railroad western railway of alabama wikimedia commons william mahone wisconsin central railway