The Belgrade bypass ( sr, Обилазница око Београда, Obilaznica oko Beograda) or Belgrade city road bypass is a U-shaped, 69-km long motorway partially encircling the city of

Belgrade Belgrade ( , ;, ; Names of European cities in different languages: B, names in other languages) is the Capital city, capital and List of cities in Serbia, largest city in Serbia. It is located at the confluence of the Sava and Danube rivers a ...

, the capital of Serbia. Some 9.6 km of the bypass is the section of A1 motorway (currently under construction), and the rest is planned eastern extension of A3. The construction of the bypass started in 1990 and its parts have been sporadically built ever since. Its completion is expected to help alleviate Belgrade's

traffic congestion Traffic congestion is a condition in transport that is characterized by slower speeds, longer trip times, and increased vehicular queueing. Traffic congestion on urban road networks has increased substantially since the 1950s. When traffic de ...

, and remove all transit traffic from the city itself.

Route

;Sector A (Batajnica - Dobanovci, A3 interchange) Sector A is 11.1 km long part of A1 motorway that intersects with A3 motorway at Dobanovci interchange. It is completed and opened to traffic in 2012. ;Sector B (Dobanovci, A3 interchange – Bubanj Potok) Sector B is 37.2 km long part of A1 motorway that intersects with A2 motorway at Surčin interchange. It is currently under construction, with some 27.6 km fully in service, the final 9.6 km still under construction. It spans the hilly terrain to the south of Belgrade, and will eventually include 4 tunnels and 40

viaduct A viaduct is a specific type of bridge that consists of a series of arches, piers or columns supporting a long elevated railway or road. Typically a viaduct connects two points of roughly equal elevation, allowing direct overpass across a wide v ...

s when completed, nine of them over 400 m long, with

dual carriageway A dual carriageway ( BE) or divided highway ( AE) is a class of highway with carriageways for traffic travelling in opposite directions separated by a central reservation (BrE) or median (AmE). Roads with two or more carriageways which are ...

Ostružnica bridge across the

Sava The Sava (; , ; sr-cyr, Сава, hu, Száva) is a river in Central and Southeast Europe, a right-bank and the longest tributary of the Danube. It flows through Slovenia, Croatia and along its border with Bosnia and Herzegovina, and finally th ...

. It is divided in 6 sections: Section B1: Dobanovci interchange – Surčin. It includes Surčin interchange and the Surčin South interchange with the A2 highway. The right carriageway of this 7.8 km long sector was opened in 2005, while the left was opened in 2016. Section B2: Surčin –

Ostružnica Bridge Ostružnica Bridge is a six-lane girder bridge carrying the Belgrade bypass over the Sava at Ostružnica. Original bridge First half was constructed by Mostogradnja between 1990 and 1998. Total length of the bridge is , with a long continuou ...

. The right carriageway of this 4.9 km long section was opened in 2005, while the left was opened in 2016. Section B3: Ostružnica Bridge – Ostružnica. This 4.1 km long section includes 1950 meters long

over the Sava river and Ostružnica interchange with road 26 for Belgrade center and Obrenovac. The right carriageway was opened in 2005, while the left one was opened in June 2020. Section B4: Ostružnica – Orlovača. On this 7.7 kilometer stretch are tunnels Lipak (665 m) and Železnik (699 m), as well as Orlovača interchange with road 22 for Belgrade center and

Čačak Čačak ( sr-Cyrl, Чачак, ) is a city and the administrative center of the Moravica District in central Serbia. It is located in the West Morava Valley within the geographical region of Šumadija. , the city proper has 73,331 inhabitants, wh ...

. Only the right carriageway was constructed in 2008, while the left one was opened in April 2021. Section B5: Orlovača – tunnel Straževica. It includes tunnel "Straževica", the longest one on Sector B (772 m). Only 3.1 km of the right carriageway was constructed in 2012. The left one was opened on June 15, 2022. Section B6: Tunel "Straževica" – Bubanj Potok. Construction of this 9.6 km long section is undergoing (as of 2022). It includes tunnel "Beli Potok" (360 m) and the Avala interchange. Along with the section B, it ends at the existing interchange Bubanj Potok, with the connecting roads being built. ;Sector C (Bubanj Potok - Pančevo) Sector C is planned 21 km long eastern prolongation of A3 motorway (which itself will connect Belgrade with

Pančevo Pančevo (Serbian Cyrillic: Панчево, ; german: Pantschowa; hu, Pancsova; ro, Panciova; sk, Pánčevo) is a city and the administrative center of the South Banat District in the autonomous province of Vojvodina, Serbia. It is located on ...

and

Vršac Vršac ( sr-cyr, Вршац, ; hu, Versec; ro, Vârșeț) is a List of cities in Serbia, city and the administrative centre of the South Banat District in the autonomous province of Vojvodina, Serbia. As of 2011, the city urban area had a pop ...

and eventually

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...

at border crossing near

Vatin Vatin (; hu, Versecvát) is a village located in the municipality of Vršac, Serbia. A border crossing between Serbia and Romania is located in the village. The village has a Serb ethnic majority (53.2%) with a sizable Hungarian minority (26.8 ...

). This is the most complex sector of the bypass, as its construction involves building a bridge over the Danube, and additional 11 viaducts and 2 tunnels. Its exact route is not decided yet, nor the start of the construction.

References

External links

Beobuild.rs
– news, discussions and photos of the bypass {{DEFAULTSORT:Belgrade Bypass Transport in Belgrade Transport in Serbia Motorways in Serbia Ring roads Bypasses