The work is describing some typical and some modern interchange designs. It is also describing problems on diamond interchanges. These urban interchanges can be problematical, because capacity on the ramp terminal intersections is exceeded and congestions and queues are occuring. That is why is reasonable started to use modern designs, that direct traffic flows a bit otherwise and are more efficient of existent interchanges. Also some theoretical bases behind further discussion are passed in beginning of work. Shapes of interchanges are described, their advantages and disadvantages. Use of new design of traffic flow directions is showed on three realistic cases, namely on interchange Dunajska – vzhodna obvozna cesta, Celovška - severna obvozna cesta and Zasavska – mestna obvozna cesta. These new designs are diverging diamond interchange and single point diamond. Used traffic volumes are from year 2003 and 2005. Pedestrian movement path is described for each version. The interchanges are analysed with microsimulation tool Synchro 6.0, essential characteristics of interchanges are got with the help of which. Program is designed for modeling and optimizing signal timings. Finally the diploma deals with the comparison of the interchanges. Comparisons are offered for lighter performance in shape of graphs and tables.
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