Latest from Tunnels and Tunnelling


Bids open for India’s bullet train tunnel
26 September, 2022 National High-Speed Rail Corporation Ltd (NHSRCL) is inviting bids for the construction of a 21km tunnel, including India’s first undersea tunnel, for the Mumbai-Ahmedabad bullet train project.
  • Seattle TBM breakdown not covered by insurance
    Insurance companies do not have to reimburse Washington State for its costs during the two years the new Highway 99 tunnel was delayed because of the TBM’s breakdown during construction, the Washington State Supreme Court has ruled.


Vision for a path ahead
09 September, 2022 Prof Arnold Dix has just been elected as new ITA President. Shortly beforehand, in T&T’s preview of WTC 2022, he described his proposed plans to accelerate a practical mission on sustainability in tunnelling – to include moves on procurement, contract conditions and metrics.
  • Kate Cooksey Interview
    Kate Cooksey has completed one of the most unusual and challenges periods for any chair of the BTS. With much success achieved despite the trying times, she talks about the journey with Julian Champkin
  • ‘Mrs Vera’ ventures forth
    Robbins’ TBM ‘Mrs Vera’ was launched earlier this year to complete a tunnelling challenge in karstic limestone below St Louis, Missouri
  • Refurb rules in NY
    Safety upgrade work has been completed on the Hugh L Carey and Queens Midtown tunnels in New York
  • Sound signals improve road tunnel evacuation
    Norwegian researchers undertook sound signal studies to improve evacuation safety in road tunnels. Abridged report of paper by Tronstad, T.V., Jenssen, G.D., Moscoco, C., Södersten, C, of SINTEF, and Zaikonnikov, E. of Norphonic AS