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 some 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 Lines A, B and 8 of the MTR lines in Hong Kong (such as the Airport Express and Tung Chung line), all enhanced with ATO, on some of the Mexico City Metro lines in Mexico City; and on Shanghai Metro Line 3.