Milan Underground Line 5 | Italy
Excavation diameter
6.78 m
Tunnel length
1,940 m
Geology
Clay-rich limestone, conglomerate lenses
Type of support
Prefabricated segments
Completed in
2014
Client
Astaldi S.p.A.
Two EPB TBMs excavated in parallel in the difficult alluvial soils of Milan to build the new Line 5.
This work continues the long series of metropolitan tunnels created by SELI Overseas, which began in 2000 in Porto and continued almost uninterruptedly over the next 20 years.