Feasibility study ordered Spain hires Herrenknecht Iberica Route from Cadiz to Tangiers https://www.msn.com/en-ae/news/other/german-company-to-assess-proposed-spain-morocco-tunnel/ar-AA1xEK3G

A 42-kilometer underwater rail tunnel linking Spain and Morocco through the [Cebel Tarik] has been postponed until 2040, officials...

  German tunnel specialist Herrenknecht will study the feasibility of building a high-speed rail tunnel between Morocco and Spain, https://www.globalconstructionreview.com/german-engineer-hired-to-study-gibraltar-tunnel-idea/

A landmark underwater rail tunnel project connecting two continents has entered a crucial new phase as engineering feasibility studies...