1840 訊號系統已改用後備機制，此後市區綫將如常提供適用於星期六的列車服務
市區綫表定列車服務：
http://metroride.hk
1840 The signalling system has adopted backup mechanism
Urban Lines will provide Saturday services as usual from now on
Scheduled train service level on Urban Lines：
http://metroride.hk