Network
Singapore MRT lines
North-South Line
Singapore's original line — the west, the north, and down to Marina Bay.
East-West Line
The east–west spine, with the branch to Changi Airport.
North-East Line
Driverless line from HarbourFront to the north-east.
Circle Line
The orbital loop around the city centre.
Downtown Line
The long underground line across the city.
Thomson-East Coast Line
The newest line — north to south, then out east.