Columbia subject headings:
Harvard subject headings:
Federal aid to transportation--United States.
Infrastructure (Economics)--United States.
Local transit--Finance--Government policy--United States.
Railroads--Finance--Government policy--United States.
Roads--Finance--Government policy--United States.
Transportation--United States--States--Planning.
Princeton subject headings:
Federal aid to transportation--United States.
Infrastructure (Economics)--United States.
Local transit--Finance--Government policy--United States.
Railroads--Finance--Government policy--United States.
Roads--Finance--Government policy--United States.
Transportation--United States--States--Planning.