D19 - Hougang / Punggol / Sengkang
D21 - Clementi / Upper Bukit Timah
D20 - Ang Mo Kio / Bishan / Thomson
D03 - Alexandra / Commonwealth
D23 - Bukit Batok / Bukit Panjang
D01 - Boat Quay / Raffles Place
D09 - Orchard / River Valley
D07 - Beach Road / Bugis / Rochor
D27 - Sembawang / Yishun
D05 - Buona Vista / West Coast
D18 - Pasir Ris / Tampines
D11 - Newton / Novena
D15 - East Coast / Marine Parade