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New Analytic Solutions of Queueing System for Shared-Short Lanes at Unsignalized Intersections

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2019
332.pdf (3.479Mb)
Authors
Tanackov, Ilija
Dragić, Darko
Sremac, Siniša
Bogdanović, Vuk
Matić, Bojan
Milojević, Milica
Article (Published version)
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Abstract
Designing the crossroads capacity is a prerequisite for achieving a high level of service with the same sustainability in stochastic traffic flow. Also, modeling of crossroad capacity can influence on balancing (symmetry) of traffic flow. Loss of priority in a left turn and optimal dimensioning of shared-short line is one of the permanent problems at intersections. A shared-short lane for taking a left turn from a priority direction at unsignalized intersections with a homogenous traffic flow and heterogeneous demands is a two-phase queueing system requiring a first in-first out (FIFO) service discipline and single-server service facility. The first phase (short lane) of the system is the queueing system M(p lambda)/M(mu)/1/infinity, whereas the second phase (shared lane) is a system with a binomial distribution service. In this research, we explicitly derive the probability of the state of a queueing system with a short lane of a finite capacity for taking a left turn and shared lane ...of infinite capacity. The presented formulas are under the presumption that the system is Markovian, i.e., the vehicle arrivals in both the minor and major streams are distributed according to the Poisson law, and that the service of the vehicles is exponentially distributed. Complex recursive operations in the two-phase queueing system are explained and solved in manuscript.

Keywords:
Intersections / Lane capacity / Left turn / Sustainability
Source:
Symmetry-Basel, 2019, 11, 1
Publisher:
  • MDPI AG
Projects:
  • Research of technical-technological, staff and organizational capacity of Serbian Railways, from the viewpoint of current and future European Union requirements (RS-36012)

DOI: 10.3390/sym11010055

ISSN: 2073-8994

WoS: 000459739500055

Scopus: 2-s2.0-85061100669
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URI
http://raf.arh.bg.ac.rs/handle/123456789/334
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  • Publikacije istraživača / Researchers' publications
Institution
Arhitektonski fakultet

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