Before revision: Afterwards it was installed: on the Santiago Metro in Santiago, Chile; on some of the MTR lines in Hong Kong ( such as the Airport Express and Tung Chung line), all enhanced with ATO, on Lines A, B and 8 of the Mexico City Metro lines in Mexico City; and on Shanghai Metro Line 3.
After revision: Afterwards it was installed: on the Santiago Metro in Santiago, Chile; on some of the MTR lines in Hong Kong ( Urban Lines, Airport Express and Tung Chung line), all enhanced with ATO, on Lines A, B and 8 of the Mexico City Metro lines in Mexico City; and on Shanghai Metro Line 3.