The project covers a great tunnel with 17,5 m diameter and 4,5 km in length. There are 2×2 lane highway and dual line metro in scope of the great tunnel. It will be integrated with rail systems and highway lines.

Within the project; there are 31 km metro line having 14 stations and 16,5 km highway. The station located at Golden Horn (Haliç) crossing of 350 m metro line will be constructed under sea with the method of immersed tube.

With completion of the project, access with the highway will be provided in 14 minutes to Hasdal Interchange in European Side, to Çamlık Interchange in Anatolian Side and will be provided in 45 minutes from İncirli to Söğütlüçeşme by metro. It is expected that 6,5 million passengers a day benefit from the line.