Situated near Mount Zigana in the Pontic Mountains, the new twin tube tunnel is country's longest tunnel with a length of 14,481 m (47,510 ft).[1]
It is built to bypass the 2,032 m (6,667 ft) Zigana Pass and the current Zigana Tunnel. It shorten the route by about 8 km (5.0 mi) and reduce the travel time by twenty minutes.[1][2]