Question

The network of underground trains in London​

Answer 1

Greater London is served by 11 Tube lines, along with the Docklands Light Railway(DLR), LondonOverground line and an interconnected local train network. Underground trains generally run between 5am and midnight, Monday to Saturday, with reduced operating hours on Sunday.

Answer 2

Answer:

London Underground

It is the world's third longest metro system, spanning 402km with 270 stations across its 11 lines. Only 45% of the network actually runs underground, mainly in the city centre, with lines in the suburbs mostly running overground.

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