Mapu London Underground

Zọba, zụba anya, kụchaa Tube, DLR, Elizabeth line ma ọ bụ Overground ọkpụkpụ iji hụ ahịrị, mgbanwe, oge emepe na nzụ n'agbamịgba. Na-arụ ọrụ n'offline ozugbo etinyeworo.