sentences:  The entire autostrada is within the Province of Alessandria.Its sole exit is for Novi Ligure and it provides a convenient means of access to both the A7 and the A26 from that town.The Autostrada A4/A26 Diramazione Stroppiana-Santhià (A4/A26) is a 32 km motorway which links the A26 near Stroppiana with the Autostrada A4 near Santhià.