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Published: Građevinar 71 (2019) 5
Paper type: Subject review
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Design limits for intersection angles between approach legs of suburban roundabouts

Ivica Stančerić, Saša Ahac, Šime Bezina, Filip Vlaović

Abstract

Roundabout design guidelines typically offer a step-by-step design process for roundabouts with four approach legs that intersect at right angle in the centre of the central island. If the angle between the approaches is skewed, it is recommended to realign either one or more approach legs. The design limits for intersection angles (i.e. the alignments that do not require repositioning of the approaches) are not listed in most relevant guidelines. This research, conducted in order to define these design limits, is based on theoretical examples of suburban roundabouts with different approach angles and outer radii, designed according to current Croatian and German guidelines.

Keywords
roundabouts, intersection angle limits, design vehicle

HOW TO CITE THIS ARTICLE:

Stančerić, I., Ahac, S., Bezina, Š., Vlaović, F.: Design limits for intersection angles between approach legs of suburban roundabouts, GRAĐEVINAR, 71 (2019) 5, pp. 389-399, doi: https://doi.org/10.14256/JCE.2029.2017

OR:

Stančerić, I., Ahac, S., Bezina, Š., Vlaović, F. (2019). Design limits for intersection angles between approach legs of suburban roundabouts, GRAĐEVINAR, 71 (5), 389-399, doi: https://doi.org/10.14256/JCE.2029.2017

LICENCE:

Creative Commons License
This paper is licensed under a Creative Commons Attribution 4.0 International License.
Authors:
Stanceric WEB
Ivica Stančerić
University of Zagreb
Faculty of Civil Engineering
AhacS WEB
Saša Ahac
University of Zagreb
Faculty of Civil Engineering
Department for Transportation Engineering
Bezina WEB
Šime Bezina
University of Zagreb
Faculty of Civil Engineering
Vlaovic WEB
Filip Vlaović
Vodoprivreda Nova Gradiška d.d.