At the end, the first TBM will be rolling in early May to bore a 5.1 km from Katehaki to Evangelismos for the next 22 months. And another TBM will bore the 7.2 km tunnel in 28 months.
https://www.ekathimerini.com/news/1209012/tunnel-boring-machine-set-to-start-on-metro-extension/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.ekathimerini.com/news/1209012/tunnel-boring-machine-set-to-start-on-metro-extension/
Tunnel boring machine set to start on metro extension | eKathimerini.com
www.ekathimerini.comWith the assembly of one of two massive tunnel boring machines (TBM) in its final stage, the project to extend the Athens metro is moving ahead, despite some delays on the way.