Denetimsiz Kavşaklarda Yanyol Katılım Kapasitesinin Modellenmesi

Denetimsiz kavşaklar, şehiriçi trafik akımının yönetilmesinde etkin olarak kullanılan kavşak tipleridir. Denetimsiz bir kavşakta yanyol katılım kapasitesinin belirlenmesinde kullanılan hesap yöntemleri çoğunlukla analitik yöntemlere dayanmaktadır. Çalışma kapsamında yanyol katılım kapasitesinin hesaplanması amacı ile bir benzetim program yazılmış ve farklı koşullardaki yanyol katılımları için ampirik kapasite bağıntıları elde edilmiştir. Elde edilen bağıntılar literatürde yaygın olarak kullanılmakta olan bağıntılar ile karşılaştırılmış ve kullanılabilir oldukları belirlenmiştir.

Modelling Minor Approach Capacity of Unsignalized Intersections

Unsignalized intersections are effectively used in urban traffic management. Capacity calculation methods for unsignalized intersections’ minor approach are usually based on analytical calculation methods. In this study, empirical capacity calculation equations are obtained by using a micro simulation program for different types of unsignalized intersections’ minor approaches. Obtained empirical equations are compared with the models which are commonly used in literature and the applicability of the equations is determined.

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  • Gedizlioğlu, E., Denetimsiz kavşaklarda yanyol sürücülerinin davranışlarına göre pratik kapasite saptanması için bir yöntem, Doktora Tezi, İ.T.Ü. Mühendislik Fakültesi, İstanbul, 1979.
  • Tanyel, S ve Yayla, N. Yuvarlakada Kavşakların kapasiteleri üzerine bir tartışma, TMMOB-İnşaat Mühendisleri Odası, Teknik Dergi, 21 (101) 4935-4958, 2010.
  • Stuwe, B. Capacity and safety of roundabouts in Germany, Intersections Without traffic SignalsII, Brilon, W.; Bochum, Germany, Springer-Verlag, 1991.
  • Troutbeck, R., Background of HCM section on analysis of performance of roundabouts, Transportation Research Record, 1646, 54-63, 1998.
  • Troutbeck, R. and Brilon, W., Unsignalized intersection theory, in Traffic Flow Theory: A State of Art Report, 8-1 - 8-44, Eds.Gartner, N., Messer, C.J & Rathi, A. K., 1995.
  • Transportation Research Board (TRB), 2000. Highway Capacity Manual, Transportation Research Board of National Academies, Washington D.C.
  • Tanner, J. C., A Theoretical analysis of delay at uncontrolled intersections, Biometrika, 49(1-2), 163-170, 1962.
  • Tanyel, S., Türkiye’deki Dönel Kavşaklar için Kapasite Hesap Yöntemi, Doktora Tezi, İstanbul Teknik Üniversitesi FenBilimleri Enstitüsü, İstanbul, 2001.
  • Hagring, O., Vehicle-vehicle interactions at roundabouts and their implications for the entry capacity, Bulletin 159. Department of Traffic Planning and Engineering, Lund, 1998.
  • Sullivan, D.P., Troutbeck, R., An exponantial relationship for the proportion of free vehicles on arterial roads, Transportation Research Part A, 31(1), 21-33, 1997.
  • Brilon, W., Intersections without traffic signals, Recent Developments in Calculation Methods for Unsignalized Intersections in West Germany, (Brilon W. ed.), 111-153, Springer-Verlag, Berlin, 1988.
  • Akçelik, R. Speed-flow and bunching relationships for uninterrupted flows. Proceedings of 25th Conference of Austrailan Institute of transportation Research (CAITR 2003), University of South Austraila, Adelaide, Australia 2003.
  • Troutbeck, R., A review on the process to estimate the Cowan M3 headway distribution parameters, Traffic Engineering & Control, 38(11), 600-603, 1997.
  • Çalışkanelli, S.P. ve Tanyel, S., Investigation of vehicle bunching at signalized arterials in Turkey, Canadian Journal of Civil Engineering, 37(3), 380-388, 2010.
  • Troutbeck, R., 1998a. The capacity of a limited priority merge, Physical Infrastructure Centre Research Report 98-4, Queensland University of Technology, School of Civil Engineering, Brisbane, Australia
  • Dawson, R. F., Chimini, L.A., The Hyperlang probability distribution: A generalized traffic headway model, Highway Research Record, 230, 1-14, 1968.
  • Fessman, F., Unsigalized intersection simulation model INTERSIM, Third International Symposium on Intersections Without Traffic Signals, Portland, Oregon, 1997.