The line would connect Tokyo and Osaka, two urban centers heading into dramatic population decline.
The more cities that adopt bike-share systems, the plainer the need for coordination between them.
The growing popularity of bike-share represents a shift toward embracing shared-transport networks. But there's a much larger picture to consider.
The people and ideas reshaping urban life
The developers of Human have complied user data into stunning visualizations that show how and where we get around.
A private car service has released hilarious commercials making the city's after-hours transit look unruly. But that's exactly its enduring appeal.
A Copenhagen urban-biking staple finds its way to Chicago.
The DOT plans emergency procedures to save the Highway Trust Fund, which will go bust in August if Congress doesn't take action.
A Twin Cities-based service based on Minnesota values is embraced by an unexpectedly robust marketplace.
At the top of the list: Get people on board with annual fare increases.
The technology craze of the 1890s meant fashion freedom and transportation independence.
Too many agencies favor suburban commuters over inner-city riders.
While several car manufacturers (and Google) are working on building autonomous cars, a startup is looking for another way to go driverless.
But the key question remains: Will metro residents give up their cars?
British Airways has revealed the Turducken of in-flight entertainment.
No longer will you climb up the stairs on a busy bus only to sheepishly lurch back down when you discover that all the seats are taken.
U.K. transport firm Steer Davies Gleave takes "motivational interviewing" door to door.
A round-up of the best stories on cities and urbanism we've come across in the last seven days.
And get an estimate of how much each line would cost to run.