UK: National Highways looks to upgrade technology in Saltash tunnel
https://www.cornish-times.co.uk/news/national-highways-looks-to-upgrade-technology-in-saltash-tunnel-631700Reply on topic: Making Tunnels Fast and Safe. Hyundai E&C Patented TBM Technology
Hyundai new efficient tunel boring machine technology Making Tunnels Fast and Safe. Hyundai E&C Patented TBM Technology https://news.hyundaimotorgroup.com/Article/Hyundai-EnC-Patented-TBM-Technology?mainYn=Y&num=3
cover tunnel photo by: Matt Brown from London, England / CC BY
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