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Preliminary communication
https://doi.org/10.7307/ptt.v25i5.1230

New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’

Tomaž Tollazzi ; University of Maribor, Faculty for Civil Engineering
Goran Jovanović ; Appia d.o.o.Leskoškova 9eSI-1000 LjubljanaSlovenija
Marko Renčelj ; University of Maribor, Faculty for Civil Engineering

Fulltext: english, PDF (1 MB) pages 475-481 downloads: 723* cite
APA 6th Edition
Tollazzi, T., Jovanović, G. & Renčelj, M. (2013). New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’. Promet - Traffic&Transportation, 25 (5), 475-481. https://doi.org/10.7307/ptt.v25i5.1230
MLA 8th Edition
Tollazzi, Tomaž, et al. "New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’." Promet - Traffic&Transportation, vol. 25, no. 5, 2013, pp. 475-481. https://doi.org/10.7307/ptt.v25i5.1230. Accessed 25 Sep. 2021.
Chicago 17th Edition
Tollazzi, Tomaž, Goran Jovanović and Marko Renčelj. "New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’." Promet - Traffic&Transportation 25, no. 5 (2013): 475-481. https://doi.org/10.7307/ptt.v25i5.1230
Harvard
Tollazzi, T., Jovanović, G., and Renčelj, M. (2013). 'New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’', Promet - Traffic&Transportation, 25(5), pp. 475-481. https://doi.org/10.7307/ptt.v25i5.1230
Vancouver
Tollazzi T, Jovanović G, Renčelj M. New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’. Promet - Traffic&Transportation [Internet]. 2013 [cited 2021 September 25];25(5):475-481. https://doi.org/10.7307/ptt.v25i5.1230
IEEE
T. Tollazzi, G. Jovanović and M. Renčelj, "New Type of Roundabout: Dual One-Lane Roundabouts on Two Levels with Right-Hand Turning Bypasses – ’’Target Roundabout’’", Promet - Traffic&Transportation, vol.25, no. 5, pp. 475-481, 2013. [Online]. https://doi.org/10.7307/ptt.v25i5.1230

Abstracts
The problems of low level traffic safety on multi-lane roundabouts have been resolved in various ways in different countries, usually by using alternative types of roundabouts that reduce the number of conflict points. Alternative types of roundabouts typically differ from "normal" or "standard" roundabouts in one or more design elements, as their implementation purposes could also be specific. Today, several different types of roundabouts are already in use ("mini", "double mini", "dumb-bell", those "with joint splitter islands" ("dog-bone"), those "with a spiralling circular carriageway" ("turbo"), those "with depressed lanes for right-hand turners" ("flower") etc.). This paper introduces a new type of roundabout, dual one-lane roundabouts on two levels with right-hand turning bypasses, namely the "target roundabout". This paper describes and analyses their design, traffic safety, and capacity characteristics, compared with the standard two–lane roundabouts.

Keywords
roundabouts; alternative types of roundabouts; turbo roundabout; target roundabout

Hrčak ID: 111576

URI
https://hrcak.srce.hr/111576

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