Bangkok Post reports the Tunnel Boring Machine breakthrough for longest tunnel in Thailand. 5.2km tunnel is part of dual-track project carried out by Italian-Thai Development Plc and the Rail Tunnelling Co for State Railway of Thailand.
The new 5.2km tunnel is now Thailand's longest tunnel. Previous longest tunnel was 1.3km Khun Tan Tunnel.
https://www.bangkokpost.com/thailand/general/2135483/srt-marks-longest-tunnel-breakthrough
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.bangkokpost.com/thailand/general/2135483/srt-marks-longest-tunnel-breakthrough
SRT marks longest tunnel breakthrough
www.bangkokpost.comA tunnel boring machine working on the country's longest rail tunnel at Ban Hin Lab, in Saraburi's Muak Lek district, has reported its first breakthrough, the State Railway of Thailand said.