He said planning his routes was fairly straightforward. "I'll just look on a map and see what is doable within a day," he said. "The first line I did was the Victoria line last su ...

Jai, 16, has walked his way around several lines so far including the Bakerloo, Hammersmith & City and Victoria lines.

Jai, 16, first tackled the entirety of the Victoria line and says walking the route of the Hammersmith and City line has been ...

Sections of the Northern line now have mobile coverage, with TfL allowing Londoners to stay connected while travelling.