How did they manage to build the Channel Tunnel in only 6 years, while the Gotthard Base Tunnel or Brenner Base Tunnel of similar length took 15-20 years? - Quora
How did they manage to build the Channel Tunnel in only 6 years, while the Gotthard Base Tunnel or Brenner Base Tunnel of similar length took 15-20 years? - Quora
Channel Tunnel: The 20th century's most expensive construction project — but worth every penny | by Gareth Dennis | Medium
![Customs buildings handed over as Eurotunnel prepares for Brexit | News | Railway Gazette International Customs buildings handed over as Eurotunnel prepares for Brexit | News | Railway Gazette International](https://d1c4d7gnm6as1q.cloudfront.net/Pictures/480x320fitpad[0]/4/1/1/23411_tn_fr-eurotunnel-customs-lorry-park.jpg)
Customs buildings handed over as Eurotunnel prepares for Brexit | News | Railway Gazette International
![Cut and cover tunnel section of the Channel Tunnel under construction adjacent to the Eurotunnel UK Terminal at Holywell Combe Stock Photo - Alamy Cut and cover tunnel section of the Channel Tunnel under construction adjacent to the Eurotunnel UK Terminal at Holywell Combe Stock Photo - Alamy](https://c8.alamy.com/comp/B8J2EG/cut-and-cover-tunnel-section-of-the-channel-tunnel-under-construction-B8J2EG.jpg)
Cut and cover tunnel section of the Channel Tunnel under construction adjacent to the Eurotunnel UK Terminal at Holywell Combe Stock Photo - Alamy
![Channel Tunnel: The 20th century's most expensive construction project — but worth every penny | by Gareth Dennis | Medium Channel Tunnel: The 20th century's most expensive construction project — but worth every penny | by Gareth Dennis | Medium](https://miro.medium.com/v2/resize:fit:1200/1*XB6srBd6GLy_4w6yDbtKPQ.png)
Channel Tunnel: The 20th century's most expensive construction project — but worth every penny | by Gareth Dennis | Medium
![Channel Tunnel, the longest undersea tunnel in the world, reaches a technological grid milestone with GE | GE News Channel Tunnel, the longest undersea tunnel in the world, reaches a technological grid milestone with GE | GE News](https://www.ge.com/news/sites/default/files/2023-02/ge_getlink_eurotunnel_infographic_en_2023.png)