. "8.5"^^ . "1702.0"^^ . "The Zigana Tunnel (Turkish: Zigana T\u00FCneli) is a road tunnel constructed on the Ma\u00E7ka, Trabzon\u2013Torul, G\u00FCm\u00FC\u015Fhane state highway D.885 E97 southwest of the provincial border Trabzon\u2013G\u00FCm\u00FC\u015Fhane, northeastern Turkey.Situated at Zigana Pass on the Pontic Mountains, the 1,702 m (5,584 ft)-long tunnel was excavated in two years. The breakthrough took place on September 2, 1977. It carries one lane of traffic in each direction in one tube, which has 8.50 m (27.9 ft) clearance and 11.20 m (36.7 ft) width."@en . . "Operational" . . . "Zigana Tunnel"@en . "2"^^ . "(Zigana T\u00FCneli)"@en . "11.2"^^ . . .