GI has performed a complete technical and financial supervision of the rehabilitation of tunnel Žutnica.
Road tunnel is in traffic since 1970, and had no drainage system.
Žutnica tunnel has a length of 215 m¹. The existing tunnel lining, which served as the primary tunnel support, hydro insulation has been added and built a new secondary tunnel lining. Concrete used for the secondary tunnel lining was reinforced with plastic bristles. Rehabilitation of the tunnel was built with a completely new drainage system.