What Chicago civic improvement project would you spend $2 billion on?

A proposed privately funded express train would shuttle passengers from the Loop to O’Hare International Airport in 15 minutes. The $2.25 billion battery-powered train line would run on existing tracks from the Old Post office to O’Hare. Say More asks: If you had $2.25 billion dollars to spend on an urban development innovation what would you do? Improve sidewalks? Smart roofs? Maybe a fleet of bullet trains? GUEST: Mark Bennett, director of planning central region, Speck Dempsey