ST. PETERSBURG, WESTERN HIGH SPEED DIAMETER
It is one of the important links of the urban transportation network connecting the northern, central, and southern regions of St. Petersburg. Consisting of sea crossings, bridges, and viaducts passing over the city's waterways, the project was designed as an engineering solution aiming to carry urban traffic without interruption. The EPC contractor for the project is the joint venture formed by IC İçtaş İnşaat and Astaldi S.p.A.
Project Profile
| PROJECT DETAIL | DESCRIPTION |
| PROJECT NAME | Central Section of Western High-Speed Diameter (WHSD) |
| CLIENT | Northern Capital Highway LLC (NCH) |
| DESIGNER | COWI A/S (Lead Designer) |
| CONTRACTOR | IC İçtaş – Astaldi JV |
| CONTRACT TYPE | EPC Contract |
| LOCATION | St. Petersburg, Russia |
| COMMENCEMENT DATE | 2013 |
| COMPLETION DATE | 2018 |






