The work on the nearly 14km-long tunnel, including a 1.4km underwater section at a depth of up to 60m, is being led by a consortium of Turkish and Japanese companies.
Radove na tunelu ukupne duljine približno 14 kilometara, uključujući podzemnu dionicu od 1,4 km na dubini do 60 metara, vodi konzorcij turskih i japanskih kompanija.