Çiftlik 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.[1] The 1,285 and 1,285 m (4,216 and 4,216 ft)-long twin-tube tunnel carrying two lanes of traffic in each direction. The Demirciköy Tunnel follows the Çiftlik Tunnel in direction Samsun.
The tunnel was opened to traffic on 26 March 2014.[2]