East–West line may refer to several rapid transit lines:
East-West Line (Auckland), New Zealand East–West Line (Singapore), Singapore East-West Line, former name of the Blue Line (MARTA) in Georgia, United States Green Line (Kolkata Metro), also known as East–West Metro or East–West Corridor, in India
can refer to one of several Japanese railway lines: JR Tōzai Line, operated by JR West mainly in Osaka Prefecture Tōzai Line (Kobe), operated by Kobe Rapid Railway in Kobe, Hyogo Prefecture Tōzai Line (Kyoto), operated by Kyoto Municipal Transportation Bureau in Kyoto Tōzai Line (Sapporo), operated by the Sapporo City Transportation Bureau in Sapporo, Hokkaido Tōzai Line (Tokyo Metro), operated by Tokyo Metro in Tokyo Tōzai Line (Sendai), operated by the Sendai City Transportation Bureau in Sendai
See also Busan Metro Line 2 or the Dongseo Line, an east-west rail line in Busan, South Korea Central line (disambiguation) Crossrail (disambiguation) "East West Corridor" or Tuen Ma line (includes former Ma On Shan line), the MTR line in Hong Kong East and West Junction Railway, a disused line in central England East-West Passenger Rail (Massachusetts), a proposed passenger rail corridor between Boston and Western Massachusetts, United States East West Rail, a rail line under construction in England between Oxford and Cambridge East-West Railway, a proposed line in Nepal North–South Line (disambiguation) Northeast Line (disambiguation)