 In the Novi Sad area, the motorway features local-express lanes, in order to avoid congestion in both directions.The Belgrade city motorway ( / "Autoput kroz Beograd") is a 29 km long urban highway, which connects the A3 motorway and the A1 motorway, passing by the Belgrade Nikola Tesla Airport, Zemun, Novi Beograd, Voždovac and ending at Bubanj Potok.It was constructed in the 1970s and, until the completion of the Belgrade bypass, it is the only motorway connection between the northern and southern parts of the A1 motorway.