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Train service delays expected on Circle Line due to tunnel works

Patrons are advised to plan additional travel time of at least 30 mins or consider alternative transport options when travelling to The Kallang from 17 Jan to 19 Apr 2026. Circle Line (CCL) train services between Mountbatten and Paya Lebar stations will operate from one platform only, with a shuttle train serving this stretch. 

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Professor Chong Yap Seng
Lien Ying Chow Professor in Medicine
Professor Chong Yap Seng

Professor Chong Yap Seng is Dean of the National University of Singapore Yong Loo Lin School of Medicine. He also oversees the academic and research development at institutions within the National University Health System as Deputy Chief Executive (Education & Research), as well as clinical programmes at the Singapore Institute for Clinical Sciences at A*STAR in his role as Chief Clinical Officer.

Professor Chong has co-authored more than 500 research publications in top journals and is the lead researcher for Growing Up in Singapore Towards Healthy Outcomes and the Singapore PREconception Study of long-Term maternal and child Outcomes. For the past few years, he has focused his energies on helping develop national strategies to advance child and maternal health and well-being, and promoting healthy living for families. 

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