sentences:  Near Castelferro ("frazione" of Predosa) an eastern branch, the Autostrada A26/A7, provides links to Novi Ligure and to the Autostrada A7 (Genoa – Milan) which it joins near Spineto Scrivia, to the south of Tortona.The A26 continues northwards until near Alessandria there is an interchange with the Autostrada A21 (Turin – Brescia).The road crosses the Po River just east of Casale Monferrato.