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Zagreb bypass ( hr, Zagrebačka obilaznica) is a U-shaped motorway partially encircling
Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Sl ...
,
Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...
. The largest part by far, between Jankomir and Ivanja Reka interchanges, was built between 1977 and 1979, while the Ivanja Reka – Sveta Helena section was built between 1996 and 1999. The bypass is long, tracing around the city from the northwestern suburb of
Zaprešić Zaprešić () is a town in Hrvatsko Zagorje, Hrvatsko zagorje, Zagreb County in Croatia. It has a population of 19,644 inhabitants in the city proper, town proper, with 25,223 in the administrative area. The town's metropolitan area, which encomp ...
to Sveta Helena in the northeast. The bypass crosses 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 t ...
River twice and comprises a bridge across the Sava-Odra floodwater overflow canal. As the busiest sections between Jankomir and
Buzin Buzin is a village in Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , ma ...
interchanges carry traffic volume of approximately 45,000
AADT Annual average daily traffic, abbreviated AADT, is a measure used primarily in transportation planning, transportation engineering and retail location selection. Traditionally, it is the total volume of vehicle traffic of a highway or road for a ...
, it is the most heavily used motorway sector in Croatia. Zagreb bypass is not designated as a separate motorway with a distinct motorway number, rather it consists of sections of three motorways: Those motorway sections are concurrent with sections of the D1 and D3 state roads as well as
European route The international E-road network is a numbering system for roads in Europe developed by the United Nations Economic Commission for Europe (UNECE). The network is numbered from E1 up and its roads cross national borders. It also reaches Centr ...
s E59, E65, E70 and E71. The bypass currently comprises four traffic lanes along its entire length, with an emergency lane in each direction. In its current form, the Zagreb bypass has a small number of interchanges spaced widely apart. For example, the current Zaprešić interchange extends a trip from Zaprešić to Zagreb via the bypass by . The last new interchange was built in 2007–2008 at Kosnica in the southeast, to connect the Homeland Bridge and Zagreb via Radnička cesta (Ž1029). There are two rest areas along the bypass: Lučko rest area is located between Jankomir and Lučko interchanges comprising famous Plitvice Motel, well known for its pedestrian bridge across the bypass, while Sesvete rest area is located between Popovec and Sveta Helena interchanges. A new rest area is planned between Jakuševec and Kosnica interchanges.


Future expansion

A proposal has been made in 2007 for a new interchange near Zaprešić, one that would reduce traveling time between the cities. As a part of the A11 motorway construction works, a new
Jakuševec Jakuševec is a neighborhood in the Novi Zagreb – istok city district of Zagreb, the capital of Croatia. Located on Sajmišna Road east of Sarajevska Road and Utrine, Zagreb, Utrine, Travno and Dugave apartment block complexes, the neighborhood ...
interchange was built east of the Buzin interchange. The Buzin interchange in turn is planned to be abolished, in favor of another new interchange,
Sveta Klara Sveta Klara (English: ''Saint Clara'') is a settlement in the southern part of Zagreb, Croatia. Once a separate village, it is now administered as a neighbourhood of the city district of Novi Zagreb – zapad Novi Zagreb – zapad (, "Novi Zagreb ...
, further to the west. A long-term plan exists to build a new outer bypass road around Zagreb. The outer bypass would be a part of the tolled motorway network thus permitting vehicles not to stop at two toll plazas near Zagreb as they enter and leave the present bypass, decreasing congestion on the inner bypass motorway. 2009–2012 motorway and road construction plan entails funds for development of design documents for the outer bypass motorway and specifies its route: It is to be a long motorway originating from the
A2 motorway This is a list of roads designated A2. Roads entries are sorted alphabetically by country. * A2 motorway (Albania), a road connecting Vlore with Fier * A002 road (Argentina), a road connecting Avenida General Paz and Ministro Pistarini Internat ...
Luka interchange, connecting the
A3 motorway This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...
Gradina interchange near
Samobor Samobor () is a city in Zagreb County, Croatia. It is part of the Zagreb metropolitan area. Administratively it is a part of Zagreb County. Geography Samobor is located west of Zagreb, between the eastern slopes of the Samobor hills ( hr, Samo ...
, the A1 motorway Horvati interchange, the A11 motorway Mraclin interchange, once again the
A3 motorway This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...
Ivanić Grad Ivanić ( sr-Cyrl, Иванић, ) is a Croatian and Serbian surname. * Delfa Ivanić (1881–1972), Serbian painter, humanitarian and writer * Dragutin Ivanić, Croatian pilot * Dušan Ivanić (born 1946), Croatian-born Serbian literary histori ...
interchange and finally the A4 motorway Zelina interchange. A total of 14 interchanges are planned on the new bypass, including the ones connecting it to the other motorways already specified, connecting the outer bypass to all major roads intersected. Because of the
Medvednica Medvednica () is a mountain in central Croatia, just north of Zagreb, and marking the southern border of the historic region of Hrvatsko Zagorje, Zagorje. The highest peak, at is Sljeme. Most of the area of Medvednica is a nature park (''park p ...
Mountain north of Zagreb, the present bypass is U-shaped, leaving the city without a northern bypass that would connect the A2 and A4 highways. A northern branch (around 27 km long) of the bypass was planned and designed to bridge the gap. It was planned to connect the Zaprešić interchange with the Popovec interchange. The route would have required a number of long tunnels and viaducts making it expensive.Official study concerning Northern branch
/ref> According to the general design alternative in a study executed by the Faculty of Architecture and Institut IGH, the route would comprise 15 tunnels. The tunnels longer than 500 m would be: Ivanec Tunnel (2656 m), Borčec Tunnel (1797 m), Pantovčak Tunnel (1625 m), Dotrščina Tunnel (1050 m), Remete 1 Tunnel (1025 m), Čuguvec Tunnel (550 m) and Novaki Tunnel (502 m). The construction works were planned in stages with an additional 5–10 km long tunnel built subsequently through Medvednica Mountain to connect Zagreb and
Hrvatsko zagorje Hrvatsko Zagorje (; Croatian Zagorje; ''zagorje'' is Croatian for "backland" or "behind the hills") is a cultural region in northern Croatia, traditionally separated from the country's capital Zagreb by the Medvednica Mountain. It compri ...
directly. However, as of September 2011, all such plans were cancelled as unfeasible.
Croatian Motorways Highways in Croatia are the main transport network in Croatia. The Croatian classification includes several classes of highways: * The main motorways are named A (''autocesta'') accompanied by one or two digits. By and large they are contr ...
has started the realization of the project of building the third lane on the Zagreb bypass. Thus, HAC and the consortium led by the IGH Institute signed a contract for the development of a preliminary design, environmental impact assessment and obtaining a location permit for the reconstruction of the Zagreb bypass from Jankomir to Ivanja Reka by upgrading the third lane and for the main and detailed design and obtaining a building permit, for the busiest section, Jankomir - Lučko. The estimated value of the investment for the expansion of the entire bypass is around HRK 800 million, and the exact amount will be known after the development of the preliminary design. Construction could begin in 2023.


Exit list

{, class="wikitable" , - !scope="col", County !scope="col", km !scope="col", Exit !scope="col", Name !scope="col", Destination !scope="col", Notes , - , rowspan= 2,
Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Sl ...
, 0.0 , align=center , 6 ,
Zaprešić Zaprešić () is a town in Hrvatsko Zagorje, Hrvatsko zagorje, Zagreb County in Croatia. It has a population of 19,644 inhabitants in the city proper, town proper, with 25,223 in the administrative area. The town's metropolitan area, which encomp ...
,


, Connection to
Zaprešić Zaprešić () is a town in Hrvatsko Zagorje, Hrvatsko zagorje, Zagreb County in Croatia. It has a population of 19,644 inhabitants in the city proper, town proper, with 25,223 in the administrative area. The town's metropolitan area, which encomp ...
and
Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Sl ...
via Aleja Bologne and Ilica.
The westernmost interchange of the Zagreb bypass.
Westbound traffic continues along the northbound A2 motorway towards
Krapina Krapina (; hu, Korpona) is a town in northern Croatia and the administrative centre of Krapina-Zagorje County with a population of 4,482 (2011) and a total municipality population of 12,480 (2011). Krapina is located in the hilly Zagorje regio ...
and
Maribor Maribor ( , , , ; also known by other historical names) is the second-largest city in Slovenia and the largest city of the traditional region of Lower Styria. It is also the seat of the City Municipality of Maribor, the seat of the Drava stati ...
,
Slovenia Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, and ...
.
The D1 road is not physically signposted along the Zagreb bypass. , - , 2.9 , colspan=4 align=center , Sava River Bridge , - , rowspan= 6,
City of Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Sl ...
, 7.4 , align=center , 7/3 , Jankomir ,

, Connection to the A3 motorway ( E70) (connecting
Samobor Samobor () is a city in Zagreb County, Croatia. It is part of the Zagreb metropolitan area. Administratively it is a part of Zagreb County. Geography Samobor is located west of Zagreb, between the eastern slopes of the Samobor hills ( hr, Samo ...
and
Ljubljana Ljubljana (also known by other historical names) is the capital and largest city of Slovenia. It is the country's cultural, educational, economic, political and administrative center. During antiquity, a Roman city called Emona stood in the a ...
, Slovenia to the west) and to
Zagreb Zagreb ( , , , ) is the capital and largest city of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb stands near the international border between Croatia and Sl ...
via the Ž1035 road.
The southern terminus of the European route E59.
For the eastbound traffic the exit is signposted as A2 exit number 7, and for the westbound traffic the exit is signposted as A3 exit number 3.
The Zagreb bypass switches between the A2 (to the west) and the A3 (to the east) at this point. , - , 10.9 , align=center , , colspan=3 , Plitvice rest area , - , 12.3 , align=center , 4/1 ,
Lučko Lučko is a settlement in the Novi Zagreb - zapad district of the City of Zagreb, located south of the Sava The Sava (; , ; sr-cyr, Сава, hu, Száva) is a river in Central and Southeast Europe, a right-bank and the longest tributary o ...
,




, Connection to A1 motorway and to the City of Zagreb via
Jadranska Avenue Jadranska Avenue ( hr, Jadranska avenija, literally: ''Adriatic Avenue'') is a mostly six-lane controlled-access avenue in the Novi Zagreb – zapad city district of southwestern Zagreb, Croatia. Legally designated as a part of County road ...
.
The western terminus of European routes E65/E71 concurrency.
The eastern terminus of the D1 state road concurrency and the western terminus of D3 state road concurrency; the state roads are not signposted along the Zagreb bypass. , - , bgcolor=#ffdead , 19.0 , bgcolor=#ffdead align=center , 4a , bgcolor=#ffdead , Sveta Klara , bgcolor=#ffdead nowrap=yes, , bgcolor=#ffdead , A planned connection to the City of Zagreb via
Novi Zagreb Novi Zagreb () is the part of the City of Zagreb located south of the Sava river. Novi Zagreb forms a distinct whole because it is separated from the northern part of the city both by the river and by the levees around Sava. At the same time, it i ...
and Većeslava Holjevca Avenue , - , 21.1 , align=center , 5 ,
Buzin Buzin is a village in Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , ma ...
,
, Connection to the City of Zagreb via Savezne Republike Njemačke Street and Novi Zagreb, Zagreb airport and to Velika Gorica , - , bgcolor=#ffdddd , 22.1 , bgcolor=#ffdddd align=center , 5b , bgcolor=#ffdddd ,
Jakuševec Jakuševec is a neighborhood in the Novi Zagreb – istok city district of Zagreb, the capital of Croatia. Located on Sajmišna Road east of Sarajevska Road and Utrine, Zagreb, Utrine, Travno and Dugave apartment block complexes, the neighborhood ...
, bgcolor=#ffdddd ,
, bgcolor=#ffdddd , Interchange to the A11 motorway (under construction), providing connections to Zagreb via Sarajevska Road and to Velika Gorica. As of 2017, the interchange is fully built, but access to and from the north end is impossible as the interchange has not yet been connected to Sarajevska Road. , - , rowspan= 3, Zagreb , 29.3 , align=center , 5a , Kosnica ,
, Connection to the City of Zagreb via Radnička Road (Ž1029 to the north) and to Velika Gorica and Zagreb Airport (D31 to the south; the southern ramp under construction as of October 2010) , - , 33.4 , colspan=4 align=center, Sava River Bridge , - , 34.1 , align=center , 6/12 , Ivanja Reka ,

, Connection to the A3 motorway leading east towards
Slavonski Brod Slavonski Brod (), commonly shortened to simply Brod, is a city in eastern Croatia, near the border with Bosnia and Herzegovina. Being one of the principal cities in the historical regions of Slavonia and Posavina, Slavonski Brod was the 7th large ...
and
Osijek Osijek () is the fourth-largest city in Croatia, with a population of 96,848 in 2021. It is the largest city and the economic and cultural centre of the eastern Croatian region of Slavonia, as well as the administrative centre of Osijek-Baranja ...
. Connection to the City of Zagreb via Ž1035.
The eastern terminus of European route E70 concurrency.
For the westbound traffic the exit is signposted as A4 exit number 12, and for the eastbound traffic the exit is signposted as A3 exit number 6.
The Zagreb bypass switches between the A3 (to the west) and the A4 (to the east) at this point. , - , rowspan=3 , City of Zagreb , 34.9 , style="text-align:center;", 11 , Kraljevečki Novaki , , Connection to
Sesvete Sesvete () is the easternmost city district of Zagreb, Croatia. With a total population of 70,009 (as of 2011) it is the most populated district as well as the largest by area (165.255 km2). The settlement population is 54,085. Administrati ...
and
Dugo Selo Dugo Selo is a town in Zagreb County, Croatia. Geography Dugo Selo (lit. ''Long Village'') is a 20 km drive from Zagreb city centre. The town covers an area of 51 km² and it consists of numerous settlements. The summit of the hill M ...
, - , 38.1 , text-align:center;", 10 , Popovec , , Connection to Popovec and Soblinec ( D29)
The northern terminus of
concurrency Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to: Law * Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea'' * Concurring opinion (also called a "concurrence"), a ...
of the A4 motorway and the D3 state road.
The D3 road is not physically signposted along the Zagreb bypass. , - , 42.0 , align=center , , colspan=3 , Sesvete rest area , - , Zagreb , 48.9 , align=center , 9 , Sveta Helena ,



, Connection to
Vrbovec Vrbovec () is a town in Zagreb County, Croatia, lying to the northeast of the capital Zagreb. Geography The town of Vrbovec lies to the north-east of Zagreb, either along the A4 motorway and the D10 expressway or by the old Zagreb –Du ...
and
Križevci Križevci (; la, Crisium; hu, Kőrös ; german: Kreutz ) is a city in central Croatia with a total population of 21,122 and with 11,231 in the city itself (2011), the oldest city in its county, the Koprivnica-Križevci County. History The ...
via D10 expressway.
Connection to Rakovec, Sveta Helena and Donja Zelina ( D3) (via the Ž3016)
The easternmost interchange of the Zagreb bypass. The eastbound traffic defaults to the northbound A4.


Incidents

On September 29, 2021, highway patrol workers noticed increased vibrations on the Sava River Bridge between Jankomir and Zaprešić interchanges along the bypass. The preliminary investigation has shown that one of the bearings of the bridge on the abutment was damaged. The section of the bypass between Jankomir and Zaprešić interchange has been closed for traffic, causing large traffic jams throughout Zagreb.


See also

* Hrvatske autoceste *
Autocesta Zagreb - Macelj Highways in Croatia are the main transport network in Croatia. The Croatian classification includes several classes of highways: * The main motorways are named A (''autocesta'') accompanied by one or two digits. By and large they are contr ...


References

{{DEFAULTSORT:Zagreb Bypass Roads in Zagreb Ring roads Motorways in Croatia Bypasses