In an ideal world, housing is built directly above transit stations, so people can get on the train without even having to go outdoors, leaving it the most obvi

In an ideal world, housing is built directly above transit stations, so people can get on the train without even having to go outdoors, leaving it the most obvious choice for almost all journeys. Look at what they've achieved with this in Hong Kong. Plus the lines and stations basically pay for themselves due to revenues from residential property.