Journal of Sustainable Development of Transport and Logistics

Journal Information
ISSN / EISSN : 2520-2979 / 2520-2979
Total articles ≅ 84
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Latest articles in this journal

Dhibi Mohamed
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 59-71;

This article explores one of the most important segments of public transport in developing countries, namely informal transport and its relation to the pricing system of public transport. This paper is an extension of the work of Tirachini, A. and Hensher, D.A., who have developed a model to analyze the impact of non-motorized transport on an optimal public transport pricing policy. We are looking at three congested modes of transportation, and we introduce informal transport as an independent mode of transport instead of non-motorized transport in this analysis. Informal transport has never been incorporated into an intercity transport pricing analysis and this is the first one that informal transport has been considered an autonomous mode in a pricing model. We tried to show how the pricing policy would change by considering or ignoring the Informal Transport. We propose three congested modes (Public transport, particular vehicular and informal transport) pricing model that incorporates informal transport and reconstruct the impact of a capacity constraint on optimal public transport prices. Pricing model were developed explaining the first best and second best prices and the changes effects of capacities and frequency of public transport bus.
Maria Karatsoli, Eftihia Nathanail
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 18-31;

Social media are deemed influential in making decisions and seeking advice. Due to their explosive growth as critical channels for information, their content can trigger a place visit, a change of transport mode or destination, or plans’ cancellation. The main objective of this paper is to investigate the influence of social media on users’ activity and mobility planning. Responses of 738 participants in a digital survey were used to formulate ordinal regression models. The developed models determine the contribution of users’ demographic characteristics, travel characteristics and social media usage to mobility decisions after using social media as a source of information. These decisions were expressed in two dependent variables; (i) the impact of social media use in activity and mobility planning; (ii) the impact of the proposed transport mode by social media information, on mode choice. Analysis of the results indicated that the models, which considered all the characteristics together, could better predict the two variables.
Abdullah Açık, Esra Baran Kasapoğlu, Ilke Sezin Ayaz
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 81-89;

The aim of this research is to test the volatility spillover between the stock values of the major liner shipping companies in the world and the freight indices measuring the freight revenues in the container market. The dataset in the study consists of 9 stock values of the top 10 biggest liner companies in 2018 and 3 container freight indices on weekly basis covering the period between 05.11.2010 and 06.07.2018. Volatility spillovers have been determined to some companies' stock values from some container freight indices, and the most influential freight index has been determined as New ConTex. Moreover, some volatility spillovers from some companies' stock values to freight indices have been also determined. These results suggest that some stock investors position their portfolios in the market according to the flow of information from freight indices while some investors position by following macro variables.
Jeffrey A Shelton, Peter T Martin
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 18-31;

It is becoming standard practice for many departments of transportation (DOTs) to use incentive/disincentive clauses (also known as road user costs) with contractors to stay on or ahead of schedule. These road user costs are clauses that DOTs use to calculate a monetary amount to encourage contractors to complete work prior to milestone dates and/or limit the time specified on the contract. The monetary amounts are typically vehicle operating costs and vehicle delay costs encumbered by highway users resulting from construction, maintenance, or rehabilitation activity. In this paper, we propose an innovative way of calculating these costs using varied values of time based on trip purpose and departure time. In addition, we use advanced pre-trip and en route traveler information to determine the influence it has on route choice. Several scenarios are modeled using an advanced, simulation-based dynamic traffic assignment model. The goal of this paper is to identify the governing factors that contribute to road use costs by determining different approaches to derive the value one places on a trip. The approach to this study is twofold: first several research methods were used to derive the value of time. Second, the use of advanced traveler information is introduced to determine if it plays a critical role in route choice. The proposed methodology shows differences in road user cost calculations. Which approach would be more receptive to a contractor while proposing roadway construction? A case study of a roadway construction project in El Paso, Texas, is used to compare different approaches to calculate road user costs.
Lidiia ‌ Savchenko, Sophia Zhigula, Kate Yurchenko, Yuriy Vovk, Andrii Oleksiuk
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 6-17;

Purpose. The main purpose of the article is to assess the economic and socio-environmental costs of the urban delivery of small shipments in difficult weather conditions with a combination of different delivery means - a car, a motorcycle, a bicycle and a pedestrian courier. Methodology. The methodology for determining the integrated costs of urban logistics for small shipments in difficult weather conditions is based on an assessment of the region's synoptic data, statistics on road accidents and congestion levels, as well as on the specific operating conditions of the delivery company. Results. The result of the work is the cost of combining all-season delivery means with a motorcycle and a bicycle, which can only be used under favorable weather conditions. The theoretical contribution. The theoretical contribution consists in the presentation of a methodology that makes it possible to estimate the complex costs of a combination of various urban delivery means. Practical implications. Practical implementation consists in calculating the total costs for the delivery of goods for an online store in Kyiv with various combinations of delivery means, which allows to choose the most successful alternative.
Olusegun Onifade Adepoju
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 49-58;

The approaches to managing our road transportation infrastructure are not sustainable. A sustainable road transport infrastructure must meet the needs of present road users and give allowance to accommodate future developments. There is a gap between expected life span of roads in Nigeria and actual life span after putting the infrastructure into use. This paper examined the reasons government cannot repair roads in Nigeria, identify the challenges faced by the construction companies while on road construction projects and the effects of bad roads on national sustainable development. Ministry of Works and Transport, Ibadan and ad hoc staff of two major construction companies Reynolds Construction Company (RCC) and China Civil Engineering Construction Corporation (CCECC) were purposively selected based on the number of roads they have constructed in South-western Nigeria. Principal Component Analysis was used to identify the various factors that are responsible for the inability of government to construct and repair roads. Descriptive analysis was used to explain the challenges of construction companies and also the effects of bad road on national development. The findings identified 20 factors that are responsible for the inability of government to construct and maintain roads which were reduced into eight components. Some challenges in road construction are erosion, inadequate skilled labour, capital for equipment, funding, user’s problem and machinery repairs. The effects of bad roads include: road crashes (27%), high vehicle maintenance cost (21%), capital flight (17%), passengers’ discomfort (14%), high transportation cost (11%) and drivers’ fatigue (10%). The study concluded that, there should be standardized procedure for road construction projects in the form of: penalty for failure to meet the required deadline, quality, usage and rehabilitation in order to achieve sustainable development.
Stergios Mavromatis, Vassilios Matragos
Journal of Sustainable Development of Transport and Logistics, Volume 6, pp 72-80;

In the present research, Stopping Sight Distance (SSD) adequacy is assessed through a three-dimensional approach, which associates road visibility in terms of grade effect. SSD adequacy is controlled through the difference between the available and the required SSD. The research is focused on a right turned, two lane rural road, associated with a crest vertical curve for a given speed value. The road design is in accordance with the Greek Road Design Guidelines (OMOE-X, 2001) by utilizing the control design parameters for a design speed of 80 km/h and a wide range of grade values, where the vertex point of the crest vertical curve is positioned at fixed points along the road axis. The investigation is based on a vehicle speed exceeding the design speed by 20 km/h. In total 1874 cases of compound alignments were examined and the results revealed that the available sight distance is decreasing while grade increases. The vehicle speed on the tangent sections was proved unacceptable in terms of providing SSD adequacy. However, it was found that SSD adequacy is granted when the vertical vertex falls inside the circular arc of the curve’s horizontal alignment, while the optimum area is defined shortly before the horizontal vertex point.
Ralph Gambetta, Danijela Barić
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 22-28;

Following the growing world population and associated need for increased transportation, there is a growing interest in some aspects of transport such as sustainability, to reduce CO2 emissions and reach climate objectives. Modern urban living is rapidly changing with new technological innovations, one of which is the possibility to integrate different electronic “on demand” services into one single medium. Public transport users need innovative, multi-applicative, multi-functional, safe and secure ticketing systems, easy to use. Concept of Mobility as a Service (MaaS) as an integration of various forms of transport services into a single mobility service accessible on demand is a new way of thinking about public transport. This paper focuses on mobility market transformation with main question how Mobility as a Service based on open source principles will impact the ecosystem.
Sodiq Olusegun Buhari, Moses Olatunde Aponjolosun, Babatope Gabriel Oni, Matthew Woridigitere Sam
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 90-97;

In Lagos state, the relationship between urbanization and motorization is unbalanced because the present transportation interventions of the state do not commensurate with her growing population and migration rate. However, the state cannot be said to be totally insensitive to these challenges as witnessed in her renewed effort by providing suitable public transportation system with a dedicated lane and the expansion of other modes of transport such as rail and inland water transport. Through content analysis, this research examined the present situation of Lagos state public transport system with her prevailing population size, sustainable urban mobility approach and the future of public transport in Lagos State in line with global practices. The study reviewed the Lagos state non-motorized transport policy and the impact thus far. It was revealed that unless certain strategic decisions and policies are made, the state will continue to experience the current traffic congestion on her roads as well as increased vehicular pollution and waste of resources. Also, for Lagos state to attain her acclaimed position of a 21st century economy, she must as a matter of policy initiate and implement interventions that align with the principle of urban mobility where cycling, walking, high capacity buses operation is effectively operational and open up of other modes of transportation in the state. It was further recommended that the Lagos state government should take a bold step as recently done in the restriction of motorcycles and tricycles operation on certain routes within the state, hence, initiating interventions that will best enhance public transportation, improve habitable environment and safety of lives and properties in the state.
Conrad Ochego Mogaka, Kellen Karimi Njiru, Wycliffe Arani
Journal of Sustainable Development of Transport and Logistics, Volume 5, pp 143-152;

The major purpose of this research paper is to examine supply chain management practices as a strategic tool for third-party logistics firms’ performance: by presenting practical and theoretical advantages by reviewing the corresponding literature, and also by proposing more forward-looking studies. A literature review was developed to help today's supply chain managers and analysts to thoroughly scrutinize what was already recognized as well as what requires further research. The research broadens, from a centered company perspective, the understanding of supply chain management practices as a tactical resource for success of third party logistics firms, as well as limitations for future studies. This research paper presents a comprehensive analysis of the literature to develop a proposed general framework for a strategic tool research initiative to perform TPLs' supply chain management practices. The research paper provides perspectives into deficiencies in current practices of supply chain management, along with the progress of third party logistics sector literature. The research paper proposes specific research into the logistics process, as it relates to planned and current performance. The research paper makes a series of important literary contributions. First, it provides the first comprehensive analysis of the fundamental concepts used throughout the current supply chain management activities research in relation to the performance of third party logistics companies. Indeed, when carrying out a similar exercise, the approach used to conduct the systematic literature review may be used as a guide for future investigators. Current research is aimed at providing a researcher who meets the needs of modern business leaders.
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