The master´s thesis focuses on modification of existing interchange Kývalka on D1 motorway. The purpose of this thesis is to design optimal solution of junction of roads I/23 and II/602 with D1 motorway connecting all directions, considering transport capacity a safety. The another part of the thesis is widening motorway D1 to six lane arrangement with one lane for slow vehicles.
At first, several possible designs were suggested of which two were chosen for further elaboration as a search study. In the end, thesis contains the comparison of two chosen designs.