Imagine a tube tunnel running under Southwark and the City, but carrying full size mainline trains -- and you would be imagining something that was actually proposed.
For a couple of years, Wembley saw an experimental railway running that never stopped. Well, it probably stopped at night time, but during the daylight hours, the trains never stopped, not once.
Later this week will be a chance to see an exhibition about the proposed extension of the Northern Line to Battersea.
One hundred years ago, two railway stations closed, but just recently construction works has uncovered the remains of one of them.
In order to build the new Crossrail station at Liverpool Street, some 3,000 skeletons from the Bedlam burial ground have to be removed, and the removal process has just started.
While much of the focus on London Bridge's redevelopment sticks to the station itself, one of the most complex parts of the upgrade is taking place a mile away, in Bermondsey