Core Central Region
- D1 - Boat Quay / Raffles Place / Marina
- D4 - Sentosa / Harbourfront
- D6 - City Hall / Clarke Quay
- D9 - Orchard / River Valley
- D10 - Tanglin / Holland / Bukit Timah
- D11 - Newton / Novena
Rest of Central Region
Outside Central Region
- City & South West (D01-08)
- D1 - Boat Quay / Raffles Place / Marina
- D2 - Chinatown / Tanjong Pagar
- D3 - Alexandra / Commonwealth
- D4 - Sentosa / Harbourfront
- D5 - Buona Vista / West Coast / Clementi New Town
- D6 - City Hall / Clarke Quay
- D7 - Beach Road / Bugis / Rochor
- D8 - Farrer Park / Serangoon Rd
- Orchard, Holland (D09-10)
- D9 - Orchard / River Valley
- D10 - Tanglin / Holland / Bukit Timah
- Newton, Bt. Timah (D11, 21)
- D11 - Newton / Novena
- D21 - Clementi Park / Upper Bukit Timah
- Balestier, Geylang (D12-14)
- D12 - Balestier, Toa Payoh
- D13 - Macpherson / Potong Pasir
- D14 - Eunos / Geylang / Paya Lebar
- East Coast (D15-16)
- D15 - East Coast / Marine Parade
- D16 - Bedok / Upper East Coast
- Changi / Pasir Ris (D17-18)
- D17 - Changi Airport / Changi Village
- D18 - Pasir Ris / Tampines
- Serangoon, Thomson (D19-20)
- D19 - Hougang / Punggol / Sengkang
- D20 - Ang Mo Kio / Bishan / Thomson
- West (D22-24)
- D22 - Boon Lay / Jurong / Tuas
- D23 - Dairy Farm / Bukit Panjang / Choa Chu Kang
- D24 - Lim Chu Kang / Tengah
- North (D25-28)
- D25 - Admiralty / Woodlands
- D26 - Mandai / Upper Thomson
- D27 - Sembawang / Yishun
- D28 - Seletar / Yio Chu Kang
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