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Title:Reduction of the roundabout capacity due to a strong stream of pedestrians and/or cyclists
Authors:ID Tollazzi, Tomaž (Author)
Files:.pdf PROMET_1999_Tollazzi_Reduction_of_the_roundabout_capacity_due_to_a_strong_stream_of_pedestrians_andor_cyclists.pdf (1,66 MB)
MD5: C304B09FEAC3A150B3700F48A5213F3F
URL http://www.fpz.unizg.hr/traffic/index.php/PROMTT/article/view/1125
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:Single-lane roundabouts may face the problems of getting crowded and empty in their circulatory roadway due to a strong stream of pedestrians and/or cyclists. Vehicles at the roundabout entries or exits have to provide the right of way over pedestrians and/or cyclists. Therefore, it comes to disturbances and traffic jams. If there are jams at the entry carriageway, vehicles are unable to get into roundabouts. If there are jams at the exit carriageway, vehicles are not able to leave the roundabout. When the length of vehicle platoon at the exits so long that it reaches the preceding entry, the roundabouts suffer from getting fully overcrowded. The paper presents the methodology of calculating the reduction of the roundabout capacity due to the pedestrian or cyclist stream. The method of calculating the reduction of the roundabout capacity with the disturbed streams may be used for roundabouts in urban environments, where the strength of the cyclist or pedestrian streams is not negligible.
Keywords:road traffic, roundabouts, roundabout capacity, traffic throughput, bicyclists, pedestrians
Year of publishing:1999
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:str. 11-14
Numbering:Letn. 11, št. 1
PID:20.500.12556/DKUM-66038 New window
ISSN on article:0353-5320
COBISS.SI-ID:4304150 New window
DOI:10.7307/ptt.v11i1.1125 New window
Publication date in DKUM:05.06.2017
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Record is a part of a journal

Publisher:Fakultet prometnih znanosti Sveučilišta u Zagrebu
COBISS.SI-ID:1416196 New window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:05.06.2017

Secondary language

Abstract:V krožnih križiščih z enim voznim pasom v krožnem toku lahko, zaradi močnega toka pešcev in/ali kolesarjev, nastopajo problemi polnjenja in praznjenja krožnega križišča. Vozila na vhodih/izhodih v krožno križišče morajo pešcem/kolesarjem odstopiti prednost. Vsled tega prihaja do oviranosti tokov in zastojev. V primeru, da do zastojev prihaja na vhodu, vozila ne morejo uvažati v krožno križišče. V primeru, da do zastojev prihaja na izhodu, vozila ne morejo zapuščati krožnega križišča. V primeru, ko je dolžina vozil v koloni tako dolga, da doseže predhodni vhod, prihaja do problemov s polnjenjem krožnega križišča. V prispevku je prikazana metodologija izračuna zmanjšanja kapacitete krožnega križišča zaradi tokov kolesarjev in pešcev. Metodologija izračuna zmanjšanja kapacitete krožnega križišča s pomočjo oviranih tokov je uporabna pri krožnih križiščih v urbanih sredinah, kjer so jakosti prometnih tokov kolesarjev in pešcev nezanemarljive.
Keywords:cestni promet, krožna križišča, kapaciteta krožnih križišč, prometna prepustnost, kolesarji, pešci


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