The new Metro Ankara-Esenboğa line will connect both Esenboğa Airport and Yıldırım Beyazıt University to the central rail system network in Ankara. The line will be a fully automated Metro System, running mostly underground, 27 km long. The line has been designed with the aim to satisfy a typical suburban transport demand and to supply a faster connection from/to the airport. The project contains 7 underground stations, 4 crossovers, 1 turnback siding, an arrangement for a new line, one viaduct with a U shape prestressed concrete deck, a pedestrian bridge to link the new metro line with Esenboga airport etc. The stations will be built using open-cut and bottom-up method, with diaphragm wall as retaining structures. Coding performed the engineering services for preparation of overall design for the alignment and the stations, which included structures, architecture, bill of quantity and tender documents.