The Project is comprised of approximately 21.4 km of 2X2 lane ring road construction. Earthworks, road construction, asphalt pavement, road marking, road drainage and small culvert structures are included within the scope of the Project. The Project also involves constrution of six double tube tunnels and four viaducts. The Project was undertaken by the Joint Venture formed by Yüksel İnşaat A.Ş., Nurol İnş. ve Tic. A.Ş., Özka İnşaat A.Ş. ve YDA İnş. San. ve Tic. A.Ş. The structures included in the scope of the Project are as follows:
Boztepe Tunnel: 3311 m (twin tube)
Öceli Tunnel :2020 m (twin tube)
Terzili Tunnel: 2360 m (twin tube)
Tunnel 1: 690 m (twin tube)
Tunnel 2: 3400 m (twin tube)
Tunnel 3: 1420 m (twin tube)
Civil Viaduct: 672 m (13,5 m x 2)
Melet Viaduct: 1198 m (13,5 m x 2)
Viaduct 1: 160 m Viaduct 2: 335 m
Client General Directorate of State Highways
Location Turkey
Contract Date 07 February 2012
Completion Date 31 December 2017