Ümraniye-Altunizade Expressway Construction, İstanbul
The Ümraniye-Altunizade Motorway connects the I. and II. Ring Roads of Istanbul with 2x2 lanes. Within the scope of the project, Vecdi Diker and Tantavi Tunnels and with a total length of 2 km and 3 viaducts of 404 m were constructed.