3 ms·
I'm not sure if you meant just the communication system was underground but some sections of the routes go overground (e.g. a large section of East West line is
by noisy_boy 10y ago
I'm not sure if you meant just the communication system was underground but some sections of the routes go overground (e.g. a large section of East West line is overground).
- ppurka 10y agoThis happened on the Yellow line, which is entirely underground.