Using Potential Accessibility Measure for Urban Public Transportation Planning: A Case Study of Denizli, Turkey

  • Gorkem Gulhan Pamukkale University
  • Huseyin Ceylan Pamukkale University
  • Ozgur Baskan Pamukkale University
  • Halim Ceylan Pamukkale University
Keywords: urban public transport, potential accessibility, VISUM, transit assignment,


Policy makers and planners evaluate the implementation of the urban public transport (UPT) planning studies in terms of some objective measures such as load factor, mean volume per trip, capacity usage ratio and total capacity. In some cases, improving these measures may lead an unforeseen decrease on accessibility to the opportunities in terms of UPT users. Thus, this study aims to evaluate Potential Accessibility (PA) as an efficiency measure in decision stage of UPT planning. It widely depends on fieldwork, surveys, data inventories and existing plans. In this context, a comprehensive UPT planning has been carried out through VISUM traffic simulation software by taking the PA into account, and a four-step UPT planning procedure has been proposed. The results showed that PA may alternatively be used as an evaluation instrument in decision stage of UPT planning while the objective measures are insufficient to represent the effectiveness of alternative scenarios.

Author Biographies

Gorkem Gulhan, Pamukkale University

Department of Architecture and Design


MSc in City and Regional Planning

Huseyin Ceylan, Pamukkale University

Department of Civil Engineering

Division of Transportation


PhD. in Civil Engineering

Ozgur Baskan, Pamukkale University

Department of Civil Engineering

Division of Transportation


PhD. in Civil Engineering


Halim Ceylan, Pamukkale University

Department of Civil Engineering

Division of Transportation


PhD in Civil Engineering


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How to Cite
Gulhan G, Ceylan H, Baskan O, Ceylan H. Using Potential Accessibility Measure for Urban Public Transportation Planning: A Case Study of Denizli, Turkey. PROMET [Internet]. 2014Apr.26 [cited 2019Dec.15];26(2):129-37. Available from: