Power trip at Promenade Station was cause of last night's Circle Line disruptions: LTA
Train services on the Circle Line are back to normal this morning.
The first train left HarbourFront at 5.51am, and Dhoby Ghaut at 6.05am.
The Land Transport Authority (LTA) says preliminary investigations found that last night's service disruptions, which happened at both 10.26pm, were due to power trip at Promenade Station that affected the entire Circle Line.
The localised power trip was likely due to a faulty cable which has been isolated.
LTA and train operator SMRT are monitoring the situation closely.
LTA says about 100 commuters who were on a train that stalled in the tunnel between Promenade and Bayfront got off the train in an orderly manner and were guided to the nearby Bayfront station within half an hour.
Bus bridging services, and free boarding of regular bus services were activated between HarbourFront and Dhoby Ghaut, and the first bus arrived at Dhoby Ghaut at 11 pm.
Partial train service was restored between HarbourFront and Paya Lebar at about 11.20pm.
LTA's Crisis Management Team led by Chief Executive Chew Hock Yong was at the Land Transport Operations Centre to monitor and coordinate the incident management and service recovery efforts.
LTA monitored the public bus network, and liaised with SMRT and SBS Transit to augment bus services serving the affected areas.
LTA engineers were sent to the incident site to work with SMRT engineers on the repair and recovery efforts.
About 50 LTA officers were also deployed to assist SMRT on service recovery, crowd control and traffic management.
LTA says it coordinated closely with SMRT on the various efforts, and it will work with SMRT to investigate the cause of the incident.
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