railroad station
Covered building for the public where trains and passengers arrive and depart.
mast 
Vertical support for a crosspiece, such as a signal gantry or an electric catenary.
signal gantry 
Support framework spanning several tracks used to display signals, such as tricolor lights and speed-limit panels.
signal tower 
Building housing employees and controls for directing train movement in the station.
freight station 
Set of railroad installations and buildings required for transporting cargo.
freight car 
Vehicle pulled by a locomotive for transporting cargo.
underground passage 
Pedestrian tunnel connecting one side of the tracks with the other.
diesel shop 
Building for maintaining and refueling diesel locomotives.
switch 
A pair of movable track rails (switch rails) for guiding the train from one track to another.
scissors crossing 
Track enabling a train to change tracks.
parking 
Area for parking vehicles.
suburban commuter railroad 
Railroad connecting an urban center to its suburbs and neighboring cities.
passenger station 
Covered building for the public where trains and passengers arrive and depart.
siding 
Side track not used for railroad traffic but for shunting, marshaling or loading and unloading.
commuter train 
Local train running frequently each day between an urban center and its suburbs or neighboring cities.
bumper 
Buffer placed at the end of a track stopping the train from running off the end of the track.
semaphore 
Light for relaying information such as the speed of trains and the distance between them.
grade crossing 
Intersection of a railroad and a road, with or without warning lights.
main line 
Tracks for trains traveling long distances.