Contract: ‘Extension of ul. Gen. Wł. Andersa section from ul. Wasilkowskiej to ul. Baranowicka in Białystok’, construction of: an overpass with retaining walls, a pedestrian underpass with retaining walls, a tunnel with retaining walls, amount of inbuilt concrete: 11,894 m3, amount of inbuilt reinforced steel: 1,371,834 kg - Contractor: EUROVIA Polska S.A.