A1 Santa Lucia tunnel breakthrough

10/06/2020

On the 08/06/2020 the TBM EPB S-900 Herrenknecht (diameter 15.87 m) completed the excavation of the 7551 m Santa Lucia tunnel on Barberino di Mugello - Calenzano section, A1 Motorway in Italy. Click here for the final breakthrough video, and here for more information on the project and it/268 for tunnelbuilder archive. 24/20.

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