On 21 March 2014, ZUE S.A. signed the contract for the following project: “Upgrade of the Wrocław – Zgorzelec railway line no. 274 on the Wrocław – Jelenia Góra section” – upgrade of the railroad surface with auxiliary works, Smolec junction signal box, track no. 1, the Smolec – Kąty Wrocławskie route, track no. 1, the Kąty Wrocławskie – Mietków route and track no. 3 in the Boguszów Gorce Zachód station.”