On 31.08.2017 the joint venture between Collini Lavori Spa (Trento), Costruzioni Casarotto Srl (Villa Agnedo, TN), Misconel Srl (Cavalese, TN) and Ediltione Spa (Tione, TN) broke through on the 1 km Castel Romano tunnel, in the Province of Trento. The tunnel is part of the Pieve di Bono’s Ring Road  (km 71,100 - km 75,000) on SS 237 del Caffaro.

In the next few months the tunnel will be waterproofed and the lighting, ventilation and fire fighting equipment will be installed. The construction of the ring road began in 2016. The end of work is estimated to be before the 17^th October 2018. Click it/206 for the tunnelbuilder archive. Visit http://www.regioni.it/dalleregioni/2017/08/31/statale-del-caffaro-abbattuto-lultimo-diaframma-della-galleria-castel-romano-nel-comune-di-pieve-di-bono-528062/. 37/17.