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 Komunikacyjny – CPK
Centralny Port Komunikacyjny Łódź tunnel POLAND
Media information from CPK
https://www.cpk.pl/en/news/the-construction-of-the-cpk-long-distance-hsr-tunnel-in-lodz-has-begun-the-construction-contract-has-now-been-signed
Rogfast tunnelconstruction, Norway
released by https://kommunikasjon.ntb.no/pressemelding/18061797/ett-ar-siden-forste-salve-pa-rogfast?publisherId=17847490&lang=no