Jersey Evening Post, quoting Martyn Dorey (a former president of the Guernsey Chamber of Commerce), writes that `investors are showing enthusiasm for backing a project to build a tunnel between Guernsey, Jersey and France and politicians need to start taking the idea ‘seriously’'.

Reportedly the same investors who funded the inter-island tunnels in Faroe Islands are very interested in the project:

https://jerseyeveningpost.com/news/2022/04/09/groups-ready-to-invest-in-ci-tunnel-to-france/