Latest from Tunnels and Tunnelling


Lower Thames Crossing plans accepted for review
29 November, 2022 The Lower Thames Crossing has moved a step closer with the Planning Inspectorate accepting National Highway’s application for a Development Consent Order.
  • RFQs issued for Ontario Line North
    Infrastructure Ontario and Metrolinx have issued two Request for Qualifications (RFQ) for the Ontario Line North segment, including tunnels.


Hydro caverns offer vital experience for underground oil and gas storage
24 November, 2022 Norway’s experience with extensive hydropower development and surge chamber cavern technology offered lessons for its underground oil and gas storage projects. This is an abridged report of the full paper by Prof. Bjørn Nilsen discussing the similarities and key lessons to share
  • Leadership vision for a path toward sustainability
    Shortly before his recent election as President of International Tunnelling and Underground Space Association (ITA-AITES), Prof Arnold Dix, a global expert in tunnel sector contractual arrangements, told T&T about his vision for how the international tunneling industry can accelerate its practical pursuit of sustainability – by being armed with new, tailored-made measurement tools and introducing a ‘non-dispute’ option in contract law
  • Clean hat trick
    Nicholson Construction has had three contracts for Project Clean Lake in Ohio, and each has posed its challenges. Keren Fallwell reports
  • Out and in at sea
    Major lifts for tunnel projects have taken place at sea recently for an outfall off Kuwait and at Hinkley Point C power station, in UK