Completion of Earthworks, Structures, Bridges, Superstructure, and Miscellaneous Works on the D-100 Istanbul–Gebze–Izmit State Road (including Çayırova, Hanibal, Gebze East, Dilovası, and Eynerce Interchanges).
This project, implemented along the Gebze–Izmit section of the D-100 dual carriageway between Istanbul and Kocaeli, aimed to relieve heavy traffic by eliminating at-grade junctions and streamlining the corridor through new grade-separated interchanges and infrastructure upgrades.