North Marmara highway project is made by Referans Altyapı.
The Northern Marmara Highway Project, which starts in Silivri district of Istanbul and ends in Sakarya by going through 3rd Bridge, Eyup and Pendik route, is among the mega projects of Turkey with its excavation site of 134,322,846 M3.
We are honored to take the responsibility of such a great project as Referans Holding.