it also makes a joke that travel from west to east, cross at least 29 stations and takes almost 1 hr time (4x km distance),
kampung, you said it is efficient and an "optimsied design"? from your experience with so many countries and places mrt design? you tell us better we said it clearly here

after viewing the map and from a country defense view, is it too dangerous to sg ? as each station works as bomb shelter will also be a node for targeting.
but who knows, some said sg may dig an underground city to live in the future