The track intrusion systems can detect people and objects that fall onto the rail tracks, as well as unattended objects on station platforms.
Over the next five months, the Sengkang and Punggol LRT systems will undergo maintenance works on Sundays, according to operator SBS Transit.
The 'loud boom' heard by residents along the Sengkang LRT system on Friday night was not an explosion but a power outage.
By the first quarter of 2016, Sengkang LRT train cars will run in pairs instead of the current single carriage system, boosting capacity of the LRT system.
