This paper presents a comparative analysis of the level-of-service (LOS) determination based on the VISSIM simulation software and technique described in Highway Capacity Manual (HCM). The methodology used in the analysis is that of the level of service determination for road transport network as exemplified by T-shape intersection and partial cloverleaf (parclo AB3) interchange in the city of Kryvyi Rih. The Department of Road Safety of the National Patrol Police of Ukraine set the task to determine the vehicles queuing length on the bridge if traffic lights at the T-shape intersection are installed. To conduct the project, the VISSIM simulation model of the intersection was developed according to site data collection on workdays and at weekends. LOS criteria were determined by using both traffic management assessment methods. The scenario of traffic lights installation at the intersection was elaborated. It was determined that with traffic signalization adjustment the average travel speed would be about 40% of the free flow speed for a street class. The two assessment methods vary significantly regarding traffic flow density criterion (35.1%). The conclusion is that flow density criterion is not reliable for the node LOS definition. By way of application value of the research findings the recommendations have been prepared for T-shape intersection traffic management that dismissing the project of traffic lights installation at the intersection needs to be considered.

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The different versions of the original document can be found in:

https://zenodo.org/record/3386809 under the license http://creativecommons.org/licenses/by/4.0/legalcode
http://dx.doi.org/10.5281/zenodo.3386808 under the license http://creativecommons.org/licenses/by/4.0/legalcode

DOIS: 10.5281/zenodo.3386808 10.5281/zenodo.3386809

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Published on 01/01/2019

Volume 2019, 2019
DOI: 10.5281/zenodo.3386808
Licence: Other

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