Columbia subject headings:
Concessions--United States.
Infrastructure (Economics)--United States--Finance.
Public-private sector cooperation--United States.
Roads--United States--Finance.
Toll roads--United States.
Harvard subject headings:
Concessions--United States.
Infrastructure (Economics)--United States--Finance
Public-private sector cooperation--United States.
Roads--United States--Finance.
Toll roads--United States.
Princeton subject headings:
Concessions--United States.
Infrastructure (Economics)--United States--Finance.
Public-private sector cooperation--United States.
Roads--United States--Finance.
Toll roads--United States.