Tekkebak Tunnel
Tekkebak Tunnel (Tekkebak Tüneli), is a highway tunnel constructed in Ordu Province, northern Turkey. Tekkebak Tunnel is part of the Samsun-Ordu Highway D.010 E70 within the Black Sea Coastal Highway, of which construction was carried out by the Turkish Nurol-Tekfen-Yüksel joint venture. The 170 and 135 m (558 and 443 ft)-long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by 261–257 m (856–843 ft)-long Kozbükü Tunnel in the west and 3,805–3,825 m (12, 484–12, 549 ft)-long Ordu Nefise Akçelik Tunnel (named in honour of the late female engineer Nefise Akçelik) in the east on the same highway. The tunnel was opened to traffic on 7 April 2007 by Turkish Prime Minister Recep Tayyip Erdoğan. Dangerous goods carriers are not permitted to use the tunnel.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).