![Completed section of 7.5km concrete lined tunnel between Stratford and Kings Cross in London on the Channel Tunnel Rail Link Stock Photo - Alamy Completed section of 7.5km concrete lined tunnel between Stratford and Kings Cross in London on the Channel Tunnel Rail Link Stock Photo - Alamy](https://c8.alamy.com/comp/B8J3GG/completed-section-of-75km-concrete-lined-tunnel-between-stratford-B8J3GG.jpg)
Completed section of 7.5km concrete lined tunnel between Stratford and Kings Cross in London on the Channel Tunnel Rail Link Stock Photo - Alamy
![Benchmarks: February 12, 1986: France and the U.K. sign the Treaty of Canterbury, paving the way for the Chunnel Benchmarks: February 12, 1986: France and the U.K. sign the Treaty of Canterbury, paving the way for the Chunnel](https://www.americangeosciences.org/static/earth/benchmarks-february-12-1986-france-and-uk-sign-treaty-canterbury-paving-way-chunnel/Cantner_ChunnelCrossSection.jpg)
Benchmarks: February 12, 1986: France and the U.K. sign the Treaty of Canterbury, paving the way for the Chunnel
![File:Channel Tunnel cross section National Railway Muswum York (27812217500).jpg - Wikimedia Commons File:Channel Tunnel cross section National Railway Muswum York (27812217500).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Channel_Tunnel_cross_section_National_Railway_Muswum_York_%2827812217500%29.jpg/2560px-Channel_Tunnel_cross_section_National_Railway_Muswum_York_%2827812217500%29.jpg)
File:Channel Tunnel cross section National Railway Muswum York (27812217500).jpg - Wikimedia Commons
![Irish Sea link | The bridge and tunnel options deemed technically feasible by ex-ICE presidents | New Civil Engineer Irish Sea link | The bridge and tunnel options deemed technically feasible by ex-ICE presidents | New Civil Engineer](https://cdn.ca.emap.com/wp-content/uploads/sites/9/2021/11/Indicative-tunnel-cross-section.jpg)
Irish Sea link | The bridge and tunnel options deemed technically feasible by ex-ICE presidents | New Civil Engineer
![Geological section of the English Channel at the crossing of the Channel Tunnel. [851x350] : r/MapPorn Geological section of the English Channel at the crossing of the Channel Tunnel. [851x350] : r/MapPorn](https://external-preview.redd.it/SZjAjlwT-xalmsdcPRLob0MVDOYArNzBplyXg1n5BUQ.jpg?width=640&crop=smart&auto=webp&s=c1a84950d3cadc9f81fb0812473a107312429aea)
Geological section of the English Channel at the crossing of the Channel Tunnel. [851x350] : r/MapPorn
![The location of the U.K. "cross-over" section of the Channel Tunnel... | Download Scientific Diagram The location of the U.K. "cross-over" section of the Channel Tunnel... | Download Scientific Diagram](https://www.researchgate.net/publication/284832712/figure/fig3/AS:667991234596866@1536272929444/The-location-of-the-UK-cross-over-section-of-the-Channel-Tunnel-and-the-additional.png)
The location of the U.K. "cross-over" section of the Channel Tunnel... | Download Scientific Diagram
![West-northwest-east-southeast (WNW-ESE) structural cross-section across... | Download Scientific Diagram West-northwest-east-southeast (WNW-ESE) structural cross-section across... | Download Scientific Diagram](https://www.researchgate.net/publication/258490917/figure/fig5/AS:667092340707339@1536058616477/West-northwest-east-southeast-WNW-ESE-structural-cross-section-across-the-Dover-Strait.png)
West-northwest-east-southeast (WNW-ESE) structural cross-section across... | Download Scientific Diagram
![a : Tender Designed Cross Section b : Typical As built Tunnel Cross Section | Download Scientific Diagram a : Tender Designed Cross Section b : Typical As built Tunnel Cross Section | Download Scientific Diagram](https://www.researchgate.net/publication/306200735/figure/fig2/AS:768915902828545@1560335245217/a-Tender-Designed-Cross-Section-b-Typical-As-built-Tunnel-Cross-Section.jpg)
a : Tender Designed Cross Section b : Typical As built Tunnel Cross Section | Download Scientific Diagram
![Cross-section of the twin bored tunnels for the Shanghai under river... | Download Scientific Diagram Cross-section of the twin bored tunnels for the Shanghai under river... | Download Scientific Diagram](https://www.researchgate.net/publication/258311283/figure/fig13/AS:645337588977667@1530871879228/Cross-section-of-the-twin-bored-tunnels-for-the-Shanghai-under-river-tunnel-after-Huang.png)
Cross-section of the twin bored tunnels for the Shanghai under river... | Download Scientific Diagram
![Infrastructure Past, Present, and Future Casebook/Channel Tunnel - Wikibooks, open books for an open world Infrastructure Past, Present, and Future Casebook/Channel Tunnel - Wikibooks, open books for an open world](https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/Tunnel_typical_X_section_resize1_cropped.jpg/914px-Tunnel_typical_X_section_resize1_cropped.jpg)