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