Columbia subject headings:
Federal aid to transportation--United States.
Highway planning--United States.
Intergovernmental fiscal relations--United States.
Roads--United States.
State-local relations--United States.
Harvard subject headings:
Federal aid to transportation--United States.
Intergovernmental fiscal relations--United States.
Roads--United States
State-local relations--United States.
Princeton subject headings:
Federal aid to transportation--United States.
Intergovernmental fiscal relations--United States.
Roads--United States.
State-local relations--United States.