Demirciköy Tunnel

Demirciköy Tunnel (Demirciköy Tüneli) is a highway tunnel constructed in Sinop Province, northern Turkey. Demirciköy Tunnel is part of the Sinop-Samsun Highway D.010 within the Black Sea Coastal Highway, of which construction was carried out by the Turkish Dağcan Construction and Trade Company Inc. The 1,680 and 1,680 m (5, 510 and 5, 510 ft)-long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by 1,285–1,285 m (4, 216–4, 216 ft)-long Çiftlik Tunnel in the north and 348–348 m (1, 142–1, 142 ft)-long Gerze Tunnel in the south on the same highway. The tunnel was opened to traffic on 26 March 2014.

Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).