 Construction of rest of this part of bypass started in 2019 and it is planned to be completed by the end of 2022.Central section (Belgrade–Niš) is 210 km-long and is completed in 1985.First section of this part of A1 motorway was opened in 1977, and it was 28.1 km long section Beograd (Bubanj Potok) – Umčari, which was opened with another 12.5 kilometers of motorway through Belgrade from Mostar interchange to Bubanj Potok.