Ku sii qor faqradan - Ka dib Sharciga Tareenka ee 1921 tareenada dalka waxaa loo qaybiyay afar shirkadood, laga bilaabo 1 Janaayo 1923. Wadada Fenchurch Street, London, Midland iyo Scottish Railway (LMSR) ayaa la wareegay howlihii MR, halka adeegyada GER ay la wareegeen London iyo North Eastern Railway (LNER). Tareenada tooska ah ee loo maro waxaa caadi ahaan loo marin jiray Bromley saacadaha ugu sarreeya iyo adeegga gaadiidka ugu sarreeya ee ka shaqeeya Custom House ilaa Gallions. Rakaabkii laanta ku jiray ayaa is beddelay. Adeegyada rakaabka ee Blackwall iyo Waqooyiga Greenwich waxaa loo qorsheeyay in la xiro 30ka Juun 1926 laakiin shaqo joojinta guud
Waxaa loo gudbiyay 3da Maajo.