Columbia subject headings:
Highway departments--Europe.
Public contracts--Europe.
Public-private sector cooperation--Europe.
Road construction contracts--Europe.
Harvard subject headings:
Highway departments--Europe.
Public contracts--Europe.
Public-private sector cooperation--Europe.
Road construction contracts--Europe.
Princeton subject headings:
Highway departments--Europe.
Public contracts--Europe.
Public-private sector cooperation--Europe.
Road construction contracts--Europe.