Architecture firm NBBJ has unveiled a conceptual plan to turn London Underground's Circle Line tunnel into a 17-mile-long moving walkway. More about NBBJ proposal replaces London Underground's Circle Line with giant travelator
News: architecture firm Gensler wants to repurpose London's abandoned tube tunnels to create a subterranean network of pathways that generate electricity as people walk and cycle through them. More about London's derelict tube tunnels reimagined as a pedestrian and cycle network
News: designs by London studio Priestmangoode are due to be rolled out on four London tube lines in 2020, and could be the first fleet of driverless Underground trains (+ interview + movie). More about Priestmangoode unveils driverless tube train designs for London Underground
News: British designer Thomas Heatherwick has been commissioned to design a string of metro stations for Beijing and is also bidding to develop two new stations on the London Underground. More about Heatherwick to design Beijing Subway stations and bid for work on London Underground
A Tube train will appear on the back of Britain's £2 coins next year, designed by British studio BarberOsgerby for the Royal Mint to celebrate the 150th anniversary of London Underground. More about London Underground 150th anniversary coin by BarberOsgerby