By A Mystery Man Writer
Bakerloo Line extension 'firmly on track' for 2030 opening
Start of Control Period 6 – Step-Free London
A Brief History of the Northern Line - Londontopia
Victoria Line Underground Stations - Facts, Trivia And Impressions - Randomly London
Victoria Line Blockage
London Underground, Overground, DLR, Tramlink and National Rail Services in BNS : r/TransitDiagrams
Public transport in Victorian London – underground
London Victoria station - Wikipedia
Elizabeth line unveiled on new London Tube map
Underground Extension To Streatham - My Streatham
London Overground to be split into separate lines
Four ways the London Underground tube map will change by 2022 including new Hertfordshire services - HertsLive
Victoria line - Wikipedia