art installations
benches
lighting
accessibility features
signage
security cameras
digital displays
turnstiles
island platforms
ventilation systems
side platforms
emergency intercoms
platforms
elevated stations
underground stations
station agents
Wi-Fi (in most stations)
at-grade stations
elevators (in accessible stations)
escalators (in some stations)
express tracks
fare control areas
local tracks
lost property offices (in some stations)
mezzanines
newsstands (in some stations)
public telephones (in some stations)
restrooms (in some stations)
retail shops (in some stations)
transfer points