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MNN UK · January 19, 2026 · 1 min read

Two HS2 tunnels under Chilterns hailed as engineering highlights

What happened: Two 10-mile tunnels for the HS2 railway under the Chilterns have been completed, showcasing advanced engineering despite delays in the wider project.

Why it matters:

  • The tunnels demonstrate progress in a project facing significant setbacks and criticism.
  • They protect an area of outstanding natural beauty by routing the railway underground.

MNN Take: These tunnels represent key infrastructure achievements within HS2, highlighting what parts of the project could look like when completed, even as other sections remain unfinished.

Sources: Guardian UK