Shortest service location model for planning waste pickup locations

Jehng-Jung Kao*, Tsung I. Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A municipal solid waste (MSW) and recycled material curbside pickup bus system was recently initiated in a Taiwan cityto improve collection service. For such an MSW pickup system, selecting appropriate collection stops critically affects hauling costs and service efficiency. Conventionally, MSWcollection points are heuristically and manually chosen, resulting in a hauling system that is not as effective as intended in terms of location suitability and the number of collection points. The Shortest Service Location (SSL) model, which minimizes the sum of service distances, was thereforeproposed in this study. The SSL model was compared with twoother models for a local MSW pickup system problem. Usinggeoreferenced graphs generated by a geographical informationsystem (GIS) and related programs, the performance of the three models was compared according to walking distance to a service stop, the coverage of a service stop, and the number of service stops. The results show that the SSL solution can shorten walking distances by -10% and reduce the overlap of service areas covered.

Original languageEnglish
Pages (from-to)585-592
Number of pages8
JournalJournal of the Air and Waste Management Association
Volume52
Issue number5
DOIs
StatePublished - 1 Jan 2002

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