| CONTENTS


10 12


18


TBM ‘Karen’ ready to get underway in west London for the HS2 Euston Tunnel drive Image credit: HS2


Comment 3


10 24 31


REGULARS 6 News


12 26 34


42 Events 18


24 26 31


34


Guest Editorial


Tunnelling education John Corcoran, BTS Chair A call to restart the highly-respected MSc course in tunnelling.


Sector Rail, Metro


More in Munich Marc Steinfeld, DB InfraGO Roland Herr, Freelance Journalist


A second mainline rail tunnel, with three large deep new stations, is being built in Munich.


Technical Soft Ground


HS2 Euston Tunnel Julian Champkin, T&TI


Excavation on HS2’s last main section of rail tunnels - Euston Tunnel - recently started. Two TBMs will drive from west to central London.


Preview


BTS D&C course Mike King, BTS and MK Tunnelling


The BTS is running its renowned 1-week intensive, and social, Design & Construction course this summer, in July.


WTC 2026 The World Tunnel Congress is being hosted by Canada in May, in Montréal. We preview the themes, and list sponsors and exhibitors.


ICSMGE 2026 Vienna hosts the ICSMGE conference and exhibition in June, with deep dives into technical and research aspects of soil mechanics and tunnelling.


Interview


David Fawcett Julian Champkin, T&TI David Fawcett, a former BTS Chair, discusses his tunnelling career with contractors and consultant Babtie, business development, perspective on risk, and much more.


May 2026 | 5


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