The illustrations span the entirety of the London Underground network, from Cockfosters to Clapham South, and from Barking to Baker Street.
The Modernism in Metro-Land tours are back with a couple of walks in May and June of modernist tube stations.
The recently reopened platforms at the former Waterloo International have also seen a new route into the London Underground ticket hall.
Plans for a second entrance to Southwark tube station are set to go ahead following a recommendation from the council's planning officers that they be approved.
In 1968, Pink Floyd took a trip on the London Underground, to film a video for their second album and they've just released the rarely seen video once more.
London Underground staff are being issued with new red vests to be worn in stations from next week, so that they are more visible to passengers.
Bank tube station is in the middle of a major upgrade project, and TfL has commissioned a study into whether the upgrade could be... upgraded.
You might have seen some new signs popping up around the tube stations recently showing off London Underground's heritage.
Inside the newly built Walbrook entrance to Bank tube station can be found a freize of Roman inspired murals -- known as the Hutton Panels.
To mark the 150th anniversary of the opening of District line, steam trains will once more ply the route.