Semmering Base Tunnel first tube break through. ÖBB (Austrian Federal Railways)...

Semmering Base Tunnel first tube break through. ÖBB (Austrian Federal Railways)...

Herrenknecht Tunnel Enlargement System - Inside the tunnel source: Herrenknecht press release: https://www.herrenknecht.com/en/newsroom/pressreleasedetail/turning-old-into-new-tunnel-enlargement-during-operation/

Herrenknecht Tunnel Enlargement System - Carving source is Herrenknecht Press release : https://www.herrenknecht.com/en/newsroom/pressreleasedetail/turning-old-into-new-tunnel-enlargement-during-operation/

Herrenknecht Tunnel Enlargement System - Train entering tunnel in process of enlargement source is Herrenknecht Press release : https://www.herrenknecht.com/en/newsroom/pressreleasedetail/turning-old-into-new-tunnel-enlargement-during-operation/

View from a bird's eye view to the area where the Szczyrzyc Tymbark railway line will be built. Photograph made available by PKP Polish State Railways press release...

Statensvegvesen pressemelding Four approved for competition for billion-dollar project in Nordland via...

Statens vegvesen Brannøving i E134 Åkrafjordtunnelen https://kommunikasjon.ntb.no/pressemelding/18211971/brannoving-i-e134-akrafjordtunnelen?publisherId=17847490&lang=no

ntb pressemelding - Konsesjon til kraftverk på Gol in connection with https://kommunikasjon.ntb.no/pressemelding/18158638/konsesjon-til-kraftverk-pa-gol?publisherId=17848223&lang=no

Ghella Melbourne Suburban Rail Loop tunnel image. Only use in connection with contents of: https://www.ghella.com/en/media/news/groundbreaking-initiative-historic-all-women-tbm-crew-build-melbournes-srl-east-tunnels