Journal of Sustainable Development of Transport and Logistics

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ISSN / EISSN : 25202979 / 25202979
Total articles ≅ 63
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Siarhei Azemsha, Volha Yasinskaya, Tatsiana Hryshchanka
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 19-27; doi:10.14254/jsdtl.2020.5-1.2

The purpose of this article is to formulate and structure the many goals of the 2030 Agenda for Sustainable Development related to transport and to review the dynamics of changes in indicators of achievement in the Republic of Belarus of those related to safety. The article used methods of collecting and analyzing information with statistical tools using specialized software. The main results are the formation of the many Sustainable Development Goals (SDGs) of the 2030 Agenda related to transport and their structuring. Statistical models have also been obtained showing the dynamics of changes in SDGs related to safety. The study shows how the application of methods of analysis, structuring and statistical data processing can assess the reachability of SDG and, thereby, establish the main places of application of efforts to achieve SDG for transport.
Conrad Ochego Mogaka, Wycliffe Arani
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 56-65; doi:10.14254/jsdtl.2020.5-1.6

The goal of this research paper is to explore logistics strategy as a competitive tool for firm performance; the moderating effect of effectiveness of customer service: by presenting academic and practical advantages by explaining the preceding and suggesting a forward-looking research agenda based on a conceptual framework for competitiveness in logistics strategy. For support today's logistics managers and scholars, a literature review is established for scrutinize what was previously studied and what needs to be examined. From a focal firm perspective, the research expands the understanding of logistics strategy as a competitive tool while linking customer service effectiveness and the limitations for eventual research. Design/Methodology/Approach: This study utilizes a systematic literature review to design a suggested conceptual framework for a research agenda on a competitive tool for firm performance on the subject of logistics strategy; the moderating effect of effectiveness of customer service. Findings: The research paper provides insights into deficiencies in the current logistics strategy literature. The research paper explicitly recommends exploring the logistics strategy as it relates to expected and actual performance moderated by the effectiveness of customer service. Research limitations/implications: This article makes several unique literature contributions. First it offers the first comprehensive concise overview of the core concepts used for the logistics strategy in the current research. Next, three particular strategies that influence firm performance are examined. Third it explores the customer service effectiveness' moderating effect. Fourth as a competitive tool unnoticed problems are then exposed as ideas for potential research in logistics strategy. Eventually, when carrying out a similar exercise, the approach used to perform the systematic literature review can be used as a model for potential researchers. Practical implications: Contemporary research is aimed at providing a research group that address the needs of modern corporate executives. Originality/value: As a competitive tool for firm performance, the article presents a suggested conceptual framework for logistics strategy; the moderating effect of customer service effectiveness.
Donatus Eberechukwu Onwuegbuchunam
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 133-140; doi:10.14254/jsdtl.2020.5-1.13

Regulation in seaports broadly covers port safety, security, pollution and terminal operations which generally fall within the purview of national government’s administrative authority. Port deregulation policy in the era of global port reforms beginning in 1990’s, was introduced to limit government interference in commercial aspects of port operations, attract private sector funding and improve port productivity etc. The involvement of private sector in port terminal management arguably, entailed risk of collusion among new entrants. This paper examined port user welfare following private sector participation in a deregulation port environment. The Nigeria’s port terminal concession policy implementation was analysed as case study. From the findings, we demonstrated the essence for and role of economic regulator in ensuring that optimal welfare gains were achieved and maintained in post port reform regime.
Bouraima Bayane, Qiu Yanjun
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 103-114; doi:10.14254/jsdtl.2020.5-1.10

In view of the crucial role, railways have played historically inland transportation, the West African region still endure to provide an efficient transport system. While road transport has been almost the exclusive predominant transportation mode in the region, the railway is now showing a global comeback. In the absence of a new phase of modernization at the international standard, it is unavoidable that the high demand for mobility of its increasing population and the full exploitation of its natural resource endowment will be constrained. This study presents the past, present, and future developments of the railway sector. The first section includes the brief historical development of the railways, the determinants choices of their location, and the influential parameters for their construction. The second section deals with the present state of the railway infrastructure, operational performance, and railway sector institutions. The last section provides some recent investment in the key construction projects at a national level.
Obiageli N. Nze, Ejem Agwu Ejem
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 37-47; doi:10.14254/jsdtl.2020.5-1.4

With cognizance to some differences among the ports and complexities in productivity measurement, the research tries to identify and evaluate productive issues in terms of technical efficiencies (managerial efficiency) and scale efficiencies (managerial and allocative efficiency) experienced at individual Nigeria ports. It equally provided a technical benchmark for assessing the overall efficiencies of the respective ports in Nigeria during the pre-concessioned and post-concessioned era. The level of inputs required for each DMU to be efficient is given i.e. for DMU 2014 to be efficient input-wise, the number of berth may be reduced by two units as a result of idleness of this two (2) berths, the average turnaround time may be reduced by 3 hours and the berth occupancy may be reduced by 3%. Since a fixed asset such as berth cannot be reduced therefore technically and complimentarily the turnaround time and berth occupancy rate need to be decreased more than 5hours and 3% respectively by allocating the queue ship at the over-utilized berth to the idle berths which in turn will mitigate underutilization of this berths been required to be reduced or alternatively the port should embrace more cargo handling technology to enhance fast loading and discharging of cargoes thus attracting more vessels to the Port.
Irina Kravchenya, Iryna Lebid
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 48-55; doi:10.14254/jsdtl.2020.5-1.5

The problem of traffic management, especially in big cities is particularly actual. Due to unavoidable motorization increase in number of vehicles has resulted in congestion, traffic jams, difficulty of the movement of pedestrians, increasing the number of accidents. Traffic jams are undesirable because of higher fuel consumption, increased pollution due to exhaust gases as well as noise, etc. The only way to avoid harmful consequences is to optimize the operation of the traffic lights cycle. The purpose of the work is creation the simulation model in GPSS for determining the optimal traffic lights cycle at adjustable crossroads when managing vehicle flows with specified intensities. The mathematical model of adjustable crossroads can be presented as a queuing system. Development of the simulation model includes several stages: programming in GPSS, verification and assessment of the adequacy. The algorithm for optimizing the traffic lights cycle and diagrams are used to find the optimal value of the cycle. The minimum intersection travel time (including time of queuing) is selected as the optimal criterion. The object of study is the traffic lights cycle regulation of the intersection Sovietskaya St. – Rogachevskaya St. – Telman St. in Gomel, Belarus. The existing traffic lights cycle regulation at the intersection Sovietskaya str. – Rogachevskaya str. – Telman str. has been studied. Simulation modeling of the intersection has been created in GPSS and traffic light cycle optimization algorithm has been developed. According to a worked out algorithm the traffic lights cycle at research intersection during saturation flux has been improved. Transport delays both at the existing and optimized crossings have been estimated. Optimization of the traffic lights cycle will increase the traffic capacity of the intersection, reduce the volume of toxic emissions and decrease the accident risk. The developed simulation model can be modified for other types of intersections and used as the basis for a decision support system based on low-level simulation.
Donatus Onwuegbuchunam, Moses Olatunde Aponjolosun, Ayotunde Oludare, Okafor Onyekachi
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 124-132; doi:10.14254/jsdtl.2020.5-1.12

This paper is based on a study that was carried out to assess the implementation of cabotage act in Nigeria from the perspectives of the seafarers and shipowners who are considered as the major stakeholders in maritime sector and are directly affected by this act. The objectives of this study were to evaluate cabotage operations and to ascertain the effect of cabotage act implementation on Nigerian seafarers onboard cabotage vessels. Primary data was used through a design of questionnaire and interview. Fifty (54) copies of questionnaires were retrieved out of 60 copies that were administered. The method of data analysis was descriptive using statistical mean and percentages with the aid of Statistical Package for Social Sciences (SPSS) version 23. The data collected were measured in 5-point Likert scale with a hypothesized mean of 3.00. The findings of the study revealed that despite some successes recorded in the aspect of increase in the number of cabotage vessels operating on Nigeria waters and increase in the number of Nigerian seafarers employed onboard these cabotage vessels , there are still some challenges in respect to the implementation of this act such as, low capacity of Nigerian ship building industry to meet the demand of cabotage trade market, inability of shipowners to access fund to enhance their operations, lack of adequate attention to the condition of service and welfare of Nigerian seafarers onboard cabotage vessels. This study recommends investment in Nigerian shipbuilding industry in order to meet the demand of cabotage trade and also seeks enforcement of the ratified Maritime Labour Convention by Nigeria Maritime Administration and Safety Agency (NIMASA) in order to ensure better working and living conditions for Nigeria Seafarers.
Soner Esmer
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 115-123; doi:10.14254/jsdtl.2020.5-1.11

Purpose: Belt and Road Initiative (BRI) was announced by China in 2013. In the initiative, railway lines are operated (Belt), and sea transportation is continuing with sea routes (Road) between China and Europe. The geographical scope of the initiative covering the Chinese-European route is increasing day by day. The purpose of this study is to identify the strategies that container terminals in sea routes need to consider achieving a sustainable competitive advantage. Methodology: To achieve the goal, it has been focused on the criteria that container ship operators considered in port selection as the main user of the container terminals. Results: It is seen that the bilateral agreements between the countries where the ports are located have gained importance especially with China and the other countries involving the initiative. Moreover, it has been determined that the connections with the railway infrastructure will create a competitive advantage. The theoretical contribution: According to the results of the research, it is observed that the container terminals located on the route have not only enough with classical advantages such as location, equipment and infrastructure to achieve sustainable competitive advantage.
Nuwan Dhammika Jayarathna, Chula J. Jayawardene
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 28-36; doi:10.14254/jsdtl.2020.5-1.3

The government of Sri Lanka established several economic centres in the provinces according to the budget proposals in the year 1998. The Dambulla economic centre was the first such centre that was established on the 01st of April 1999. Thereafter, a number of economic centres were established throughout the island. However, the Dambulla main hub remained the central warehouse of vegetables in the island. This paper deals with a vehicle scheduling problem related to transportation, and investigates a method whereby a solution can be arrived at to overcome the problem using linear programming (LP). Marketing Department Logistics (MDL) Ltd needs to distribute vegetables and fruits to different provinces. Its main hub is situated near the Dambulla vegetable and fruit market, and minor hubs are situated in different provinces in Sri Lanka. The main objective of this research is building a cost minimized model which creates a suitable method for delivering vegetables and fruits from the Dambulla major hub through its minor hubs to outlets in the provinces. Hence, to optimize the cost of outbound distribution, a mathematical model has been developed by using Integer Linear Programming, and by using reliable sources to collect data. Software assistance was obtained using the LINGO 06 optimizer, Java, MS Access and MS Excel tools to solve this mathematical model. This study is based on the Dambulla economic centre. This is an initial step to bring a correct protocol to arrange a transport model to distribute the vegetables and fruits from this centre in a cost-effective way. According to this study, all districts in Sri Lanka could be divided into four clusters. At the beginning of this research, we assumed that each district contains two warehouses and three vendors. This model is flexible enough to be re-scheduled at any request. It paves the way to create a larger model for solving any type of transportation planning problem. Keywords: Vehicle scheduling; Minimizing transportation cost; Hamiltonian cycle; LINGO AMS Mathematics Subject Classification (2010): 90C10, 90C05, 90C90
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