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Application of Queuing Theory on the Development of the First CNG Daughter Station in the Philippines


The design of the first Compressed Natural Gas (CNG) daughter station in the Philippines considered the refueling characteristics of buses. A problem encountered was its location relative to existing bus terminals/depots. That is, bus depots and terminals are in Metro Manila while the initial refueling station is located along the South Luzon Expressway in Sta. Rosa, Laguna. This paper examines the future operation of the CNG daughter station from the perspective of traffic flow theory applications. The adequacy of facilities provided is assessed primarily through the use of queuing models that incorporated bus and station operation characteristics. Of particular interest in the analysis were arrival rates for buses and service characteristics for the station. Suitable assumptions were made concerning the arrival and service parameters to be able to set-up the appropriate queuing models and scenarios for evaluation. The paper illustrates the practical applications of concepts in queuing theory, focusing on the design of typical transport infrastructure.

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