Upgrading to motorway standard of A4 between Bielany (Wroclaw) and Nogawczyce (Gliwice) via Prady (Opole) Republic of Poland ###>Mise aux normes autoroutières de ΓΑ4 entre Bielany (Wroclaw) et Nogawczyce (Gliwice) via Prady (Opole) République de Pologne