Overview of the “A4 Neue Axenstrasse” project including the Sisikon Tunnel (right). (Image: ©axen.ch)

Released by Implenia as part of the press release: https://implenia.com/en/media/news-article/implenia-erhaelt-zuschlag-fuer-sisikoner-tunnel-herzstueck-der-neuen-axenstrasse-in-der-innerschweiz/

Switzerland