NEWS Major disruptions still possible until ageing rail systems are replaced FEATURES Cooperation between all stakeholders to solve rail woes NEWS Faulty train causes Circle Line delays NEWS Siganlling fault hits North-South and Downtown Lines NEWS North-South Line hit by two-hour delay NEWS Dislodged maintenance door caused delays on NS and EW Lines NEWS Software update expected to tackle teething issues on N-S Line NEWS SMRT has identified root causes of N-S Line glitches NEWS Power fault disrupts train services on North-South and East West Lines NEWS Two different faults cause morning delays on East-West Line Next