Northern Marmara Motorway (including the 3rd Bosporus Bridge) Project, Section-4 of Kurtköy-Akyazı (including connection roads) Section, Highway Construction Works of Kurtköy-Liman Junction (including connection roads) were undertaken by Limak Construction.
Within this scope, there are 10 intersections, 6 viaducts, 14 bridges, 16 overpasses, 22 underpasses, 185 culverts, along with a 22- kilometer- long main road and a 14- kilometer- long linking road. Within the scope of the project, 33.5 million cubic meters of excavation and the production of 21.5 million cubic meters of embankment, 900 thousand cubic meters of concrete, and 3.8 million tons of superstructure were realized.
4th Section of Northern Marmara Motorway was completed in March 2019 and opened to traffic.