For three months, trains will run on a single platform between three CCL stations – Mountbatten, Dakota and Paya Lebar – to allow for tunnel strengthening works. SINGAPORE: Crowd levels and waiting times were kept under control at Circle Line (CCL) stations affected by a three-month planned service disruption , although some said their travel time was extended by about 20 minutes. Crowd management measures were in place at Serangoon MRT station on Monday (Jan 19) – the first weekday since the