engleski

Design elements of modern roundabouts

Roundabouts are used in the transportation system all around the world. Design elements of German, Swiss and Austrian guidelines are analyzed in the paper. Different approaches in determining design elements and their differences and similarities are discussed. The advantages of roundabouts when compared to conventional intersections are based on the appropriate geometric design. Based on implemented and designed roundabouts in the county of Varaždin a comparison to the guidelines is shown. Options in geometry optimization for increasing the efficiency of the analyzed roundabouts are also presented.

roundabouts; geometric design; intersection planning

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