By Jack Mendel The much-vaunted extension of the Bakerloo Line to South London has taken one step closer this week after proposals were tabled ahead of a meeting next week. Transport For London’s Programmes and Investment Committee published its plans for the capital’s development in the coming years, this week. Amongst the proposals include the extension of the Docklands Light Railway to Thamesmead, and a West London Overground line, as well as a second Crossrail linking the southwest and northeast. This comes after campaigners warned the Bakerloo Line could suffer a “critical failure” if the…