Tags: Road Tunnel.
The Dolmabahçe-Bomonti Tunnel (Turkish: Dolmabahçe-Bomonti Tüneli) is a twin-tube road tunnel under the inner city of Istanbul Turkey connecting the neighborhood of Dolmabahçe in Beşiktaş district and Bomonti in Şişli district. Opened in 2010 it is 2360–2390 m (7740–7840 ft) long and under 40 m (130 ft) underground.The tunnel is part of a project of the Istanbul Metropolitan Municipality to build seven tunnels for the City of Seven Hills which is the nickname of Istanbul.