CPK Long Distance High Speed Tunnel in Łódź, Poland
origin:CPK Media article The construction of the CPK long-distance HSR tunnel in Łódź has begun. The construction contract has now been signed – Centralny Port...
HS2 TBM Florence within the Chiltern tunnel
from HS2 media https://mediacentre.hs2.org.uk/news/tunnel-progress-as-hs2s-florence-and-cecilia-reach-chesham-road- scaled