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Archives of Transport

Tytuł artykułu

Effect of Vehicle Composition and Delay on Roundabout Capacity under Mixed Traffic Conditions

Autorzy Abhigna, D.  Kondreddy, S.  Ravi Shankar, K. V. R. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN Roundabouts are replacing conventional unsignalized intersections in many parts of the world (Polus and Shmueli, 1997). Capacity estimation is necessary for designing a new roundabout, to analyze and improve the existing roundabout facilities. There are several methods to estimate the capacity of the roundabout, but most of them are for homogeneous lane based traffic conditions and not applicable for mixed traffic conditions. This study tries to find out the applicability of the existing methods to mixed traffic conditions, identify the effect of vehicle composition, travel time and delay on capacity. In this study, data was collected from two roundabouts located in Mysore, Karnataka and Rajahmundry, Andhra Pradesh in India. Capacities for both the roundabouts are calculated using the existing methods and compared. VISSIM simulation model has been developed and analyzed for different vehicle compositions scenarios. It was observed that vehicle composition of the traffic influences the roundabout capacity. Since the entry capacity of a roundabout varies significantly with the vehicle composition of the traffic at the roundabout, it is necessary to incorporate this factor into the existing capacity estimation models.
Słowa kluczowe
PL pojazd   opóźnienie   pojemność   symulacja  
EN critical gap   vehicle type   delay   capacity   simulation   circulation flow  
Wydawca Warsaw University of Technology, Faculty of Transport
Czasopismo Archives of Transport
Rocznik 2016
Tom Vol. 40, iss. 4
Strony 7--14
Opis fizyczny Bibliogr. 14 poz., tab., wykr.
autor Abhigna, D.
  • Department of Civil Engineering, National Institute of Technology, Warangal, Telangana, India,
autor Kondreddy, S.
autor Ravi Shankar, K. V. R.
  • Department of Civil Engineering, National Institute of Technology, Warangal, Telangana, India,
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PL Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-d0f67836-0fa5-4249-8202-2f4e841f5ab1
DOI 10.5604/08669546.1225456