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Open AccessArticle

Logistic Modeling of the Last Mile: Case Study Santiago, Chile

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Escuela de Ingeniería, Universidad Central de Chile, Santa Isabel 1186, Santiago 8330601, Chile
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Industrial Engineering Department, University of Santiago de Chile, Avenida Ecuador 3769, Santiago 9170124, Chile
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Facultad de Ingeniería, Ciencia y Tecnología, Universidad Bernardo O’Higgins, Avenida Viel 1497, Ruta 5 Sur, Santiago 8370993, Chile
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Instituto de Matemáticas, Física y Estadística, Universidad de las Américas, Avenida Manuel Montt 948, providencia, Santiago 7500975, Chile
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Facultad de Ingeniería y Tecnología, Universidad San Sebastian, Bellavista 7, Santiago 8420524, Chile
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Author to whom correspondence should be addressed.
Sustainability 2020, 12(2), 648; https://doi.org/10.3390/su12020648
Received: 23 November 2019 / Revised: 13 December 2019 / Accepted: 16 December 2019 / Published: 16 January 2020
(This article belongs to the Section Sustainable Transportation)
This research proposes a new distribution system of goods in the historical center of the city of Santiago, Chile. For the design of the urban logistic system, the methodology city logistics and last mile are used. This design incorporates to the freight transport flexible solutions that improve the efficiency of the distribution process and trade supply, minimizing the environmental impact of the atmospheric pollution (AP). The proposal was made through the data collection, the characterization of the sector and the diagnosis of the urban logistics processes. The analysis of the factors allowed to evaluate the costs of the AP negative externalities. The causes were used as design criteria for the proposals, with the aim of improving the quality of life of the city users. The physical location selection of the Cross-Docking was made through an optimization model of maximum coverage. The optimization algorithm of the nearest neighbor was proposed for vehicle routing. The analytic hierarchy process (AHP) was used to generate a ranking of the best non-polluting vehicles to be used in the zone. Finally, the results obtained allowed a 53 ton decrease in carbon dioxide in the square kilometer and reduced 1103 h of interruptions per year in the vehicular congestion of the sector. View Full-Text
Keywords: atmospheric pollution; city logistics; historical center; last mile; urban logistics atmospheric pollution; city logistics; historical center; last mile; urban logistics
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Urzúa-Morales, J.G.; Sepulveda-Rojas, J.P.; Alfaro, M.; Fuertes, G.; Ternero, R.; Vargas, M. Logistic Modeling of the Last Mile: Case Study Santiago, Chile. Sustainability 2020, 12, 648.

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