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Justyna Lemke
Faculty of Economics and Transport Engineering, Maritime University of Szczecin, ul. H. Pobożnego 11, 70-507 Szczecin, Poland

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Journal article
Published: 13 April 2021 in Sustainability
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A city as a system that constitutes one of the most important areas of human activities. The significant role to fulfill their expectations pay the goods transport and deliveries. These issues are the subject of urban logistics. In broad terms, urban logistics may be construed as a number of processes focused on freight flows, which are completed in cities, including deliveries, supply, goods transfer, services, etc. Due to the different urban logistics stakeholders’ expectations, these systems generate many challenges for managers, especially in the context of city users’ needs and their quality of life. Today, there is a lack of broadened approach and methodology to support them from the processes’ efficiency perspective. To fulfill this gap, the purpose of this paper is to apply the Six Sigma method as a support in last mile delivery management. Six Sigma method plays important role in production systems processes management. However, it could be useful in much wider perspective, including transport and logistics processes. The Authors emphasize that the Six Sigma method could be efficient approach in the last mile delivery processes’ analysis in the context of their efficiency. It helps positioning the customer satisfaction level and quantify the delivery processes defects, related to the undelivered goods. Following that it could improve significantly the last mile delivery processes efficiency. The concept is illustrated by a sample evaluation of one of the urban logistics processes: completion of deliveries. To this end, urban logistics processes were defined. In particular, the delivery completion process was mapped, and the process client was defined along with their expectations. The defects that occurred in the process were identified and analyzed. A DPMO (Defect per Million Opportunities) indicator was established for three randomly selected months. In addition, a root cause analysis of errors was performed. The sigma level for the studied process ranged from 2.61 to 2.89. The factor that had the greatest impact on the number of defects defined as failed deliveries was customer’s absence. The obtained results indicate that the delivery process should be examined in more detail.

ACS Style

Justyna Lemke; Kinga Kijewska; Stanisław Iwan; Tomasz Dudek. Six Sigma in Urban Logistics Management—A Case Study. Sustainability 2021, 13, 4302 .

AMA Style

Justyna Lemke, Kinga Kijewska, Stanisław Iwan, Tomasz Dudek. Six Sigma in Urban Logistics Management—A Case Study. Sustainability. 2021; 13 (8):4302.

Chicago/Turabian Style

Justyna Lemke; Kinga Kijewska; Stanisław Iwan; Tomasz Dudek. 2021. "Six Sigma in Urban Logistics Management—A Case Study." Sustainability 13, no. 8: 4302.

Journal article
Published: 01 January 2019 in Transportation Research Procedia
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ACS Style

Artur Kujawski; Justyna Lemke; Tomasz Dudek. Concept of using unmanned aerial vehicle (UAV) in the analysis of traffic parameters on Oder Waterway. Transportation Research Procedia 2019, 39, 231 -241.

AMA Style

Artur Kujawski, Justyna Lemke, Tomasz Dudek. Concept of using unmanned aerial vehicle (UAV) in the analysis of traffic parameters on Oder Waterway. Transportation Research Procedia. 2019; 39 ():231-241.

Chicago/Turabian Style

Artur Kujawski; Justyna Lemke; Tomasz Dudek. 2019. "Concept of using unmanned aerial vehicle (UAV) in the analysis of traffic parameters on Oder Waterway." Transportation Research Procedia 39, no. : 231-241.

Journal article
Published: 01 January 2019 in Transportation Research Procedia
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ACS Style

Roma Strulak-Wójcikiewicz; Justyna Lemke. Concept of a Simulation Model for Assessing the Sustainable Development of Urban Transport. Transportation Research Procedia 2019, 39, 502 -513.

AMA Style

Roma Strulak-Wójcikiewicz, Justyna Lemke. Concept of a Simulation Model for Assessing the Sustainable Development of Urban Transport. Transportation Research Procedia. 2019; 39 ():502-513.

Chicago/Turabian Style

Roma Strulak-Wójcikiewicz; Justyna Lemke. 2019. "Concept of a Simulation Model for Assessing the Sustainable Development of Urban Transport." Transportation Research Procedia 39, no. : 502-513.

Journal article
Published: 01 January 2019 in Procedia Computer Science
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ACS Style

Tomasz Dudek; Tygran Dzhuguryan; Justyna Lemke. Sustainable production network design for city multi-floor manufacturing cluster. Procedia Computer Science 2019, 159, 2081 -2090.

AMA Style

Tomasz Dudek, Tygran Dzhuguryan, Justyna Lemke. Sustainable production network design for city multi-floor manufacturing cluster. Procedia Computer Science. 2019; 159 ():2081-2090.

Chicago/Turabian Style

Tomasz Dudek; Tygran Dzhuguryan; Justyna Lemke. 2019. "Sustainable production network design for city multi-floor manufacturing cluster." Procedia Computer Science 159, no. : 2081-2090.

Journal article
Published: 01 January 2016 in Transportation Research Procedia
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The growth of B2C e-commerce market results in the increase of importance of last mile deliveries in the city area. Due to e-commerce's generic specificity, functioning of the deliveries in e-commerce on B2C market is based on home deliveries. Due to influence on the growing demand for deliveries, which consequently could have the impact on traffic and congestion problem as well as city environment, it is important to look for the alternative measures, which will help to reduce this negative impact. In recent years a very interesting and popular solution became parcel lockers as the efficient last mile delivery system. This paper is focused on the assessment of usability of this measure based on the example of InPost company system

ACS Style

Justyna Lemke; Stanisław Iwan; Jerzy Korczak. Usability of the Parcel Lockers from the Customer Perspective – The Research in Polish Cities. Transportation Research Procedia 2016, 16, 272 -287.

AMA Style

Justyna Lemke, Stanisław Iwan, Jerzy Korczak. Usability of the Parcel Lockers from the Customer Perspective – The Research in Polish Cities. Transportation Research Procedia. 2016; 16 ():272-287.

Chicago/Turabian Style

Justyna Lemke; Stanisław Iwan; Jerzy Korczak. 2016. "Usability of the Parcel Lockers from the Customer Perspective – The Research in Polish Cities." Transportation Research Procedia 16, no. : 272-287.

Journal article
Published: 01 January 2016 in Transportation Research Procedia
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Last mile deliveries are one of the major effectors of heavy traffic of commercial vehicles in the whole city area. Due to e-commerce's generic specificity, its functioning on B2C market is based on home deliveries. In recent years very interesting and popular solution became the parcel lockers as the efficient last mile delivery system. This paper is focused on the analysis of usability and efficiency of this measure based on the example of Polish InPost Company system. It introduces the results of pilot survey realized in Szczecin (Poland), as well as the general expectations regarding the efficient utilization of this kind of solution.

ACS Style

Stanisław Iwan; Kinga Kijewska; Justyna Lemke. Analysis of Parcel Lockers’ Efficiency as the Last Mile Delivery Solution – The Results of the Research in Poland. Transportation Research Procedia 2016, 12, 644 -655.

AMA Style

Stanisław Iwan, Kinga Kijewska, Justyna Lemke. Analysis of Parcel Lockers’ Efficiency as the Last Mile Delivery Solution – The Results of the Research in Poland. Transportation Research Procedia. 2016; 12 ():644-655.

Chicago/Turabian Style

Stanisław Iwan; Kinga Kijewska; Justyna Lemke. 2016. "Analysis of Parcel Lockers’ Efficiency as the Last Mile Delivery Solution – The Results of the Research in Poland." Transportation Research Procedia 12, no. : 644-655.

Journal article
Published: 01 January 2016 in Transportation Research Procedia
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ACS Style

Justyna Lemke; Leszek Piotrowski. Availability of Transport Services on the Odra Waterway Depending on the Weather. Transportation Research Procedia 2016, 16, 266 -271.

AMA Style

Justyna Lemke, Leszek Piotrowski. Availability of Transport Services on the Odra Waterway Depending on the Weather. Transportation Research Procedia. 2016; 16 ():266-271.

Chicago/Turabian Style

Justyna Lemke; Leszek Piotrowski. 2016. "Availability of Transport Services on the Odra Waterway Depending on the Weather." Transportation Research Procedia 16, no. : 266-271.

Journal article
Published: 01 January 2013 in Journal of Entrepreneurship, Management and Innovation
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ACS Style

Justyna Lemke; Małgorzata Małgorzata. Validation of System Dynamics Models – a Case Study. Journal of Entrepreneurship, Management and Innovation 2013, 9, 45 -59.

AMA Style

Justyna Lemke, Małgorzata Małgorzata. Validation of System Dynamics Models – a Case Study. Journal of Entrepreneurship, Management and Innovation. 2013; 9 (2):45-59.

Chicago/Turabian Style

Justyna Lemke; Małgorzata Małgorzata. 2013. "Validation of System Dynamics Models – a Case Study." Journal of Entrepreneurship, Management and Innovation 9, no. 2: 45-59.