A train shed is a building adjacent to a station building where the tracks and platforms of a railway station are covered by a roof. It is also known as an overall roof. Its primary purpose is to store and protect from the elements train cars not in use, The first train shed was built in 1830 at Liverpool's Crown Street Station.

A station building, also known as a head house, is the main building of a passenger railway station. It is typically used principally to provide services to passengers. A station building is a component of a station, which can include tracks, platforms, an overpass or underpass, and a train shed.