Tunnel route

  • The total length of the three tunnels will be approximately 32.5km.
  • The depth of the tunnels range between 10m and 63m. Most of the tunnels will be approximately 30m deep.
  • The tunnel and shafts are below ground and should not require planning approval as we can carry out the work to build these under our permitted development rights.


Section 1: Wimbledon to New Cross

Length: 12km

Planned construction: July 2019 – March 2025

Operational by: 2025


Section 2: New Cross to Hurst

Length: 18km

Planned construction: July 2019 – December 2025

Operational by: 2026


Section 3: Hurst to Crayford

Length: 2.5km

Planned construction: January 2023 – December 2025

Operational by: 2026