The Tunnel Observatory’s latest newsletter is available

Discover the latest issue of the Observatory’s newsletter now, available by clicking on this link.

In this issue (available in French):

  • News: The latest updates on French tunnels.
  • Feature: A comprehensive focus on Urban Guided Transport (UGT) tunnels, covering their historical context and mapping, as well as an overview of notable tunnels in France and elsewhere.
  • Outlook: A preview of the Observatory’s forthcoming socio-economic bulletin. Several charts analyse underground activity in France in 2024 and highlight the importance of the underground sector within the national civil engineering industry.


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