Bidding Adif - Presidency Announcement. Object: Supply And Transport Of Naughty, For Plate, For The Tunnels Of Bubierca, Toba, Romera And Ateca, In The Section Between Ariza And Calatayud And For The Torralba Tunnel, In The Section Between Sigüenza And Torralba, Of The 200 Line. File: 3.25/27510.0029.