Split Northern Line (Camden council permitting) - Morden-Edgware as the Bank Line (retaining Northern black) and Battersea-High Barnet/MHE as the Charing Line (dark grey). Wimbledon/Kensington Olympia-Edgware Road devolve as the Earls Line (olive green) - thus less congestion in the Circle/District section. Piccadilly and District Lines swap north-western termini with Piccadilly going to Ealing Broadway and fast District line trains (using current Piccadilly stops plus possibly Turnham Green) taking over the Uxbridge route. I mean let's face it, anyone wanting to travel even from Cockfosters to Rayners Lane has a quicker job of it changing at KXSP for the Metropolitan than staying on the Piccadilly. What does everybody reckon?