is there a solution to solve mass transit once and for all? -- In the way the internet solved data

[Emil Jacob]

-        below ground level ?

-        at ground level and? 

both are non starters because of cost, traffic, etc

-        above ground level  -Elevated mass transit seems to be the only way:

The Mini Elevated cTrain design concept has been chosen as the (only) finalist from 29 submissions in the MIT Climate CoLab competition ,Transportation category. Currently the design is open for public vote:

http://climatecolab.org/contests/2016/transportation/c/proposal/1329506

Every vote counts if we want change.