PORR has been awarded the design & build contract for the 16 km stretch of the S3 expressway Bolków – Kamienna Góra. The infrastructure project includes a range of engineering services which will include building two road tunnels (with lengths of around 2,300 m and 320 m) as well as a bridge and twelve viaducts. Completion of the stretch measuring around 16 km is expected in 2023.