East–West line

East–West line may refer to several rapid transit lines:


 * East–West MRT line, Singapore
 * East-West Line, former name of the Blue Line (MARTA) in Georgia, United States


 * Tōzai Line (東西線) 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
 * Tokyo Metro Tōzai Line, operated by Tokyo Metro in Tokyo
 * Sendai Subway Tōzai Line, operated by the Sendai City Transportation Bureau in Sendai