Open invitation to tender, deadline 24.11.2017, for upgrading work under the D.l. n. 264/2006, PSG Phase 2, Lot 6B, in tunnels Colle Di Marzio (622 m, 602 m), San Marco (980 m, 770 m), Colle Marino (1004 m, 951 m), Colle Pino (586 m, 591 m), Pianacce (966 m, 966 m), Cappelle (554 m, 696 m), Immacolata Dx (562 m) and Immacolata Vaccari SX (910 m) on the A14 motorway Bologna - Bari - Taranto. The contract value is EUR10.81 millions, excluding VAT. The duration of the contract is 651 days from the award. Contact Autostrade per l'Italia SpA, attn eng Savino Seccia, Rome, tel +39 0643634247, fax +39 0643634206, email gareappalti@autostrade.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=396976-2017. Bid Code n. 0465/A14. 41/17.