Hudson River rail tunnel ($24 billion)
San Francisco to Los Angles high-speed train ($65 billion)
Gordie Howe Bridge from Detroit to Canada ($2 billion)
Clean up Lake Erie ($3 billion)
300-MPH train from New York to D.C. ($100 billion)
Sea wall to protect Miami from rising seas ($20 billion)
Putting I-70 underground in Colorado ($1 billion)
Light rail from the D.C. metro system into Maryland ($6 billion)
Dams to protect South Carolina from flooding ($1 billion)
300-MPH train from Houston to Dallas ($10 billion)