yard
Set of tracks where freight trains are reconfigured to contain cargo cars with the same destination and then dispatched.
first classification track 
Track where cars for the second classification track are switched.
hump lead 
Track where cars are released to coast onto other tracks for switching onto outbound trains.
hump 
Sloped part of the track where cars are pushed up a hill (hump) by a locomotive.
hump office 
Office where train formations are programmed and car shunting is controlled.
second classification track 
Track where cars of known destination are assembled.
classification yard 
Set of tracks where cars are hitched together to form trains with the same destination.
car cleaning yard 
Set of tracks where cars are cleansed of any cargo residue before going back into circulation.
outbound track 
Track that leads trains out of the yard.
water tower 
Elevated reservoir containing potable water.
repair shop 
Structure for repairing and maintaining locomotives and cars.
locomotive track 
Track that leads locomotives to the shop for maintenance.
receiving yard 
Set of tracks where arriving trains park and are unhitched from their locomotives.