page_title: A3 (Croatia)
section_title: Zagreb suburban interchanges
hierarchical_section_title: A3 (Croatia) / Zagreb suburban interchanges
caption_attribution_description: English: Lučko interchange, near Zagreb, CroatiaHrvatski: Čvor Lučko
context_page_description: The A3 motorway is a major motorway in Croatia spanning 306.5 kilometres. The motorway connects Zagreb, the nation's capital, to the Slavonia region and a number of cities along the Sava River. It represents a major east–west transportation corridor in Croatia and a significant part of the Pan-European Corridor X, serving as a transit route between the European Union states and the Balkans. Apart from Zagreb, where the A3 motorway comprises a considerable part of the Zagreb bypass, the motorway runs near a number of significant Croatian cities. The motorway has a positive economic impact on the cities and towns it connects, and is an important route within Croatia.
  The motorway consists of two traffic lanes and an emergency lane in each driving direction, separated by a central reservation. All intersections of the A3 motorway are grade separated, and the motorway comprises several large stack and cloverleaf interchanges at junctions with four other motorways in Croatia: A1, A2, A4 and A5. There is a cloverleaf interchange is on the A3 route, where the A11 motorway is scheduled to branch off.
context_section_description: The route between Bobovica and Ivanja Reka interchanges (inclusive) serves as a part of Zagreb bypass, and it is therefore not tolled. The A3 section of the bypass also comprises junctions to a number of other motorways: the A1 at the Lučko interchange, the A2 at the Jankomir interchange, the A11 motorway at the Jakuševec interchange, and the A4 at the Ivanja Reka interchange. Two interchanges east of Zagreb, Rugvica and Križ, have recently been built to fill in 20-kilometre (12 mi) gaps between the Ivanja Reka, Ivanić-Grad and Popovača interchanges, respectively. Even though the sections east of Rugvica are not parts of Zagreb bypass proper (they are tolled), the area has recently shown a rise in the population as it comprises several Zagreb suburbs and commuter towns. The consequent increase of commuter traffic volume, overall increase of the motorway transit traffic and plans for construction of a Sava River port in Rugvica warranted construction of the additional interchanges.
  The A3 section of Zagreb bypass is currently the busiest section of the Croatian motorway network, with annual average daily traffic (AADT) volume exceeding 40,000 vehicles, leading to congestion of the six-lane bypass at peak hours, especially during the summer, when tourist traffic adds to the congestion. The mainline toll plazas at Bobovica and Ivanja Reka can both become bottlenecks at such times. The alternative to the bypass is going through the city via Ljubljanska, Zagrebačka and Slavonska avenues. Despite being a shorter and a more direct route, those avenues are much more congested than the bypass at rush hours and they contain at-grade intersections and traffic lights at some of their junctions.
caption: Lučko interchange
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