Karabük-Yenice Balıkısık-1 (T14) Tunnel
Task: Devrek - Zonguldak, Karabük - Safranbolu Road Project T-14 (Balıkısık-1 Tunnel) Survey, Design and Engineering Service
Management: KGM 15.Division Directorate
Constructor: POLAT Yol Yapı San. ve Tic. A.Ş.
Project Scope: Tunnel entrance and exit portals structures were projected.