Columbia subject headings:
Harvard subject headings:
Federal aid to transportation--United States.
Infrastructure (Economics)
Loans--Government guaranty--Law and legislation--United States
Railroads and state--United States.
Railroads--Finance--Law and legislation--United States.
Railroads--United States
Railroads--United States--Design and construction.
United States. Intermodal Surface Transportation Efficiency Act of 1991.
Princeton subject headings:
Federal aid to transportation--United States.
Infrastructure (Economics)
Railroads and state--United States.
Railroads--United States--Design and construction.
Railroads--United States.
United States. Intermodal Surface Transportation Efficiency Act of 1991