How to cycle from London's old City Hall (Southwark) to the new City Hall (Royal Docks, Newham)

[@CyclingSteve]

I can't imagine that it will get any easier to cross the roundabout at Dock Rd, with Silvertown Tunnel emptying out onto it in future. There really needs to be a complete rethink of the roads layout in that area, it should have all been buried.