First stage of excavating the HS2 Chiltern tunnels completed
Two Tunnel Boring Machines (TBMs) excavating HS2’s longest tunnel have completed the first stage. The first section from the Chiltern tunnel’s south portal to the first ventilation shaft are finished.Read more
Helsinki-Tallinn tunnel can open up rail in Finland and Estonia: ‘we love competition’
InterviewThere is an ambitious plan to build a tunnel from Helsinki to Tallinn. Peter Vesterbacka, COB and founder of the company behind the project and founding partner Kustaa Valtonen talk about the progress of the...Read more
Brenner Base Tunnel reaches the Italian-Austrian border
After 14 kilometers and 3.5 years of tunneling, ‘Serena’, a 300-meter Tunnel Boring Machine, reached the Brenner Pass under the Alps. In May 2018, the machine started its work on an exploratory tunnel, going from...Read more
Will the Helsinki-Tallinn tunnel be built privately?
AnalysisAn undersea tunnel between Finland and Estonia, which brings together the two capitals as a twin city. The ‘Talsinki’ tunnel is a vision of entrepreneur Peter Vesterbacka, but the countries’ governments are wary to have...Read more
Tunneling for Paris’ metro line 11 finished
The Sofia tunnel boring machine has finished its run in Paris last week after 15 months of digging. Six new stations will see the light of day, and an extension of 6 kilometres of track....Read more
HS2 reveals first images of tunnel construction site in Warwickshire
The project organisation of the high speed project HS2 has revealed the first few images of the construction site in Warwickshire, England. This part of the project is considered one of the largest and it...Read more