Traffic Key of the City of Zagreb

I. Dadic, A. Malic, G. Kos: Ljubljanska and Slavonska Avenue- Traffic Key of the City of Zagreb IVAN DADIC, D.Sc. Traffic Planning Institut prometa i veza Preliminary Communication Kuslanova 2, Zagreb U.D.C. 625.712 ADOLF MALIC, D.Sc. Accepted: May. 29, 1998 Fakultet prometnih znanosti Approved:Dec.23, 1998 Vukelieeva 4, Zagreb GO RAN KOS, B.Eng. LJUBLJANSKAAND SLAVONSKAAVENUE- TRAFFIC KEY OF THE CITY OF ZAGREB SUMMARY Hrvatska bratska zajednica is about 10,550 m away from the interchange with the ring road. Thus, in a The paper analyses the urban motorway, the Ljubljanska certain way, the Street Hrvatska bratska zajednica to and Slavonska Avenue in Zagreb. As the key road, it is impor gether with Ljubljanska and Slavonska Avenue forms tant for the city of Zagreb both regarding internal and external a kind of a Zagreb urban and traffic cross. The centre traffic links. The almost ideal location of the Ljubljanska and of this cross is the geotraffic centre of the city. Slavonska Avenue has not been properly evaluated and used by the Zagreb urban and traffic designers. The traffic count, meas This cross is positioned approximately in the mid uring the vehicles speed and the analysis of the existing inter dle of the Dubrovnik Avenue, which is the central changes have indicated the disadvantages, drawbacks and ir street of Novi Zagreb. Allowing for a certain asymme regulalities related to the design ofthe motorway. The measures try, the Dubrovnik Avenue is connected towards the for improving the traffic flows and change ofsignalling devices south-west, from the western side by the Jadranska have been proposed and the design of interchanges has been Avenue leading towards Karlovac, Split, Rijeka, i.e. recommended. The traffic forecast for the next ten years, ac through the "Lucko" interchange to the Zagreb ring cording to the growth predicted by BDP, imposes urgency in re road. To the east, the Dubrovnik Avenue is extended alising the phases in improving the throughput capacity and by the Avenue of Savezna Republika Njemacka and safety of the traffic along this motorway. the Velikogoricka Road, which connect Zagreb with Velika Gorica and the airport, as well as further with 1. INTRODUCTION Sisak, Petrinja, Pounje and a part ofPosavlje (the Sava region), and also Zagreb with the ring road over the The Ljubljanska and Slavonska Avenue, in the "Buzin" interchange. East-West direction, passes almost through the geo The city of Zagreb spreads along the whole length graphical city centre itself. The historical centre of the of the Ljubljanska and Slavonska Avenue, to both Zagreb city (Gornji grad, Kaptol and Donji grad) is sides- the north and the south. The length of the city situated along its middle part, between the inter from the east to the west almost equals that of the change with the Zagreb ring road west of Jankomir, Ljubljanska and Slavonska Avenue. Unfortunately, and the interchange with the ring road near lvanja such almost ideal position of the Ljubljanska and Sla Reka one to two kilometres to the north, in the exten vonska Avenue has not been properly evaluated and sion of the Hrvatska bratska zajednica Street. The used for the internal traffic connecting of the city of Street ofHrvatska bratska zajednica has been marked Zagreb by the Zagreb urban and traffic planners and out so that, leading from the north to the south, from designers. This is partly the result of the impossibility the Ban Josip Jelacic Square, over Zrinjevac, Glavni for consistent development of the overall urban space kolodvor (the main railway station), and between the of a country such as Croatia, whose development was buildings of the Zagreb municipal board and the Con for 45 years subjected to unnatural laws and regula cert Hall "Vatroslav Lisinski", and bridging the Sava tions. During that time the urban traffic development river, it leads to the central part of the Novi Zagreb concept of Croatia was realised in even unintention (the new part of the city). Therefore, the Novi Zagreb ally promoting the development of big cities at the ex centre is only about 2 km from the Slavonska Avenue. pense of the traffic and urban development of the Since the overall length of the Ljubljanska and Slavon whole. This is also partly the reason why the today's ska Avenue amounts to about 22,400 m, the Street Ljubljanska and Slavonska Avenue accommodate Promet- Traffic- Traffico, Vol. 10, 1998, No. 5-6, 233-241 233 I. Dadic, A. Malic, G. Kos: Ljubljanska and Slavonska Avenue- Traffic Key of the City of Zagreb more vehicles (over 4,000 vehicles per day) than the - connecting the main roads and motorways of Za "feasible" traffic capacity, causing thus frequent and greb with the eastern Croatia (Slavonija and Hrvat long standstills, whereas at the same time there is the sko Podunavlje - the Croatian Danube Region), Zagreb ring road with 8,000 vehicles passing daily and Varazdin, Cakovec, i.e. Krapina, and over these the capacity of about 60,000 vehicles. roads also with the neighbouring countries of Slove Apart from the fact that more than 20% of the nia and Austria, Hungary, SR Yugoslavia and Bos overall population of Croatia lives in Zagreb, and that nia and Herzegovina. more than 30% of the vehicles and social production Without internally connecting Zagreb there may are in Zagreb, the knowledge that traffic jams make be no efficient traffic and economic linking of Zagreb Zagreb less comfortable for living and less competi with its surroundings, nor with the rest of Croatia and tive on the world market of economic and cultural de the world. Therefore, the tendency has to be towards velopment, is a reason enough for serious worries. faster inter-linking of the single parts of the city, i.e. T11e similar situation can also be found in other towards reducing the travelling time, increasing the major Croatian cities (Split, Osijek,. Rijeka). Such pol safety of vehicles and pedestrians, reducing the ad icy of urban disintegration, i.e. growth of the cities has verse effects of traffic on the environment (noise, air damaged in particular the smaller towns, villages and pollution), towards optimal usage of the urban space even whole urban regions (Lika, Dalmatinska Zagora, and reduction of transportation costs in transporting Croatian islands, part of Slavonija). For the sake of goods, and especially towards reducing the travelling comparison only, let us note that during the last inter time of citizens in carrying out their daily activities. war period the urban disintegration has left the Re public of Slovenia almost untouched. With the knowledge of these failures, and the un 3. ANALYSIS OF THE CURRENT limited possibilities provided by the new Croatian so CONDITION ciety in the Republic of Croatia, there is a chance, even over a ten-year period, for an economic turn, i.e. 3.1. The analysis of the current traffic and ur integration into the company of highly developed ban solutions regarding the Slavonska and European countries,. Among all the other tasks, one Ljubljanska Avenue · of the most important is the reconstruction, i.e. con struction of a modern traffic system. The Slavonska and Ljubljanska Avenue represents The disharmony in the previous development of the basic backbone of the urban traffic network. It at the traffic system of Zagreb as a whole, as well as its tracts directly the population of about 40 kn12 of city subsystems, especially the road and railway traffic, re area, including the city centre and the most important quires a more versatile study and proposals regarding industrial and commercial zones, which means that its future development in order to make the realisa the most important traffic flows in the city use this tion as efficient as possible. The paper analyses a prin road (source and target traffic, inner urban traffic) cipled approach to this problem with the basic charac Apart from being the main internal traffic connec teristics of the previous development and the concept tion, The Ljubljanska and Slavonska Avenue also inte of the traffic solution for the Ljubljanska and Slavon grate the city of Zagreb over the six key European ska Avenue as the urban motorway. roads not only into the Croatian road network but also into the road network of the Central Europe, as well as the Danube region and the Adriatic. 2. SIGNIFICANCE AND ROLE OF THE The basic characteristic in the development of the LJUBLJANSKA AND SLAVONSKA road traffic system, i.e. the road traffic infrastructure, AVENUE which most affects the traffic development, is present in the development through three main phases. The significance and the role of this road in the 1) the first development phase after the World War II saturation of the future traffic flows is reflected in: includes the construction of the urban motorway - internal traffic flows circulating within the city from (Slavonska and Ljubljanska Avenue), road to the eastern towards the central i.e. western parts of wards Krapina and Maribor, and the construction the city and vice versa, of the basic street network in Zagreb with the - connecting Zagreb with the western and north bridge over the river Sava in the Street of Hrvatska western parts of the counties of Zagreb and bratska zajednica, Krapina-Zagorje over the J ankomir interchange, 2) the second, post-war phase, includes the construc and connecting it with the eastern and north tion and additional construction of the road net eastern parts of the county of Zagreb over the work with the bridges (Most mladosti and Jadran Ivanja Reka interchange ski most), as well as the construction of the 234 Promet- Traffic- Traffico, Vol.

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