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Published: Građevinar 66 (2014) 5
Paper type: Preliminary report
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Study of vehicle speed in the design of roundabouts

Hrvoje Pilko, Davor Brčić, Nikola Šubić

Abstract

Some roundabout design elements significantly influence the vehicle driving speed, i.e. the trajectory of vehicles at roundabouts, which is directly responsible for the level of service and traffic safety at roundabouts. An "in situ" speed, taken as a significant roundabout-design element, is analysed in the paper using as an example four urban single-lane roundabouts located in the City of Zagreb. The American method and the Australian method are used for the definition and verification of the design speed at roundabouts. Results obtained show correlation between the design speed and the actual vehicle speed measured at roundabouts.

Keywords
urban area, dimensioning and design, vehicle movement trajectory, vehicle speed, single-lane roundabout

HOW TO CITE THIS ARTICLE:

Pilko, H., Brčić, D., Šubić, N.: Study of vehicle speed in the design of roundabouts, GRAĐEVINAR, 66 (2014) 5, pp. 407-416, doi: https://doi.org/10.14256/JCE.887.2013

OR:

Pilko, H., Brčić, D., Šubić, N. (2014). Study of vehicle speed in the design of roundabouts, GRAĐEVINAR, 66 (5), 407-416, doi: https://doi.org/10.14256/JCE.887.2013

LICENCE:

Creative Commons License
This paper is licensed under a Creative Commons Attribution 4.0 International License.
Authors:
887 Autor 13 WEB
Hrvoje Pilko
University of Zagreb
Faculty of Transport and Traffic Sciences
Department of Road Transport
887 Autor 23 WEB
Davor Brčić
University of Zagreb
Faculty of Transport and Traffic Sciences
Department of Urban Transport
887 Autor 3 WEB
Nikola Šubić
HOK Insurance d.d.