Buca Onat Tunnel

The Buca-Bornova Tunnel (Buca-Bornova Tüneli) is the unofficial name of the 2.5 km tunnel, currently under construction, in İzmir, Turkey. The tunnel is part of a 7 km express route that will connect the İzmir Coach Terminal, in Bornova, to central Konak, via the Konak Tunnel. Once completed, the tunnel will become the longest tunnel in the İzmir Province and the 14th longest in Turkey. Work began on 12 March 2018 and the estimated construction cost is ₺184 million.