30
Haz
AVRASYA TÜNELİ

The total length of 15,4 km, 3.34 km two story undersea 2 x 2 highway tunnel with a diameter of 13.70m (TBM). Deep elevation of the road is -106m below sea level. It is one of the most prestigious and unique transportation construction in Turkey’s history. It connects the Asian

31
Ağu
YERKOY SIVAS KISIM3

33,5 km double line 250 km/hr high-speed railway between Yerköy - Sivas section of Ankara - Sivas Railway. Supervision includes 6 tunnels with total length 6 km, 9 viaducts with total length 2,1 km, 3 overpasses, 11 underpasses, 25 culverts. Soil Improvements, Engineering Structures, Material Approvals and Progress Payment Control,

13
Mar
ISTANBUL KOCAELI DEPREM

Total length 45,5 km 2 x 2 roads of 3 different groups in earthquake zones of Kocaeli - Gölcük. Supervision includes 9 bridge junctions,7 hydraulic bridges (425,00 m), 5 overpass bridges (240,00 m), 7 underpass bridges (150,00 m), 123 box culverts (4.915,00 m), Soil Works, Engineering Structures, Sea and Creek

20
Şub
ANKARA POZANTI

44,5 km long 2 x 3 motorway, 17,7 km 2 x 2 Connection Roads between Gölcük - Kemerhisar with a design speed of 100 km/hr. Supervision includes 12 underpass bridges, 5 overpass bridges, 255 box culverts, 4 toll collection facilities, 1 highway service facility. Soil Works, Engineering Structures, Sea and

30
Eyl
GAZIANTEP SANLIURFA

34,4 km long 2 x 3 motorway, 6,1 km 2 x 2 Connection Roads, 2,6 km 2 x 1 Side Road between Gaziantep - Şanlıurfa with design speed of 100 km/hr. Supervision includes 1 viaduct in 360 m, 7 bridge junctions in 303m length, 19 underpass bridges in 426 m

09
Ara
SAKARYA DUZCE

43,26 km 2 x 2 roads in earthquake zones of Sakarya - Kocaeli - Düzce. Soil Works, Engineering Structures, Sea and Creek Fortifications, Bored Piles, Bridges, Tunnels, Sub-foundations, Plant-Mix Foundation and Bituminous Hot Mix. Project Management, Construction Supervision, Material Approvals and Progress Payment Control, Quality Control and Quality Assurance, Provisional

31
Ara
BOLAMAN PERSEMBE

27,6 km long 2 x 2 highway between Bolaman - Perşembe with a design speed of 100 km/hr. Supervision includes 5 double tube tunnels (Longest tunnel “Nefise Akçelik Tunnel” NATM with 3,815 m length) with total length 9,314m. 66 bridges with a total length of 7,651 m. Soil Works, Engineering