Would a Victoria line extension into South London along with the Bakerloo line be beneficial? : r/LondonUnderground

Crossrail Western Running Tunnels. Crossing of London Underground: Victoria Line and Bakerloo Line Assets. - Crossrail Learning Legacy

Extending the Bakerloo: It's Not About Transport

Piccadilly line upgrade - Transport for London

Bakerloo line extension - Wikipedia

Tube History: A Brief History of the Victoria Line - Londontopia

Siemens Mobility secures major order to manufacture a new generation of Tube trains in London, Press, Company

London Underground Unofficial Tube Map Is Even Better Than The Real Thing

Fit For The Future - TfL Plan For Modernising London Underground, London Overground, Trams & DLR

Tube Financial Crisis: Why Closures Rarely Save Money - London Reconnections

Transit Maps: Project: Redrawing the London Tube Map

The Flowering of Overground lines & colours - How Soon is Now? - London Reconnections

Tube Love: Top 10 Things I Love About the London Underground - Londontopia

Victoria line - Wikipedia

Better Connected South London : r/LondonUnderground

Is TFL planning any Victoria line extensions? If so, where to? And if not, any fan theories of locations? - Quora