Pub Date : 2020-10-01DOI: 10.18757/EJTIR.2020.20.4.5429
J. Vaughan, Ahmadreza Faghih Imani, B. Yusuf, E. Miller
This study proposes a framework to impute travel mode for trips identified from cellphone traces by developing a deep neural network model. In our framework, we use the trips from a home interview survey and transit smartcard data, for which the travel mode is known, to create a set of artificial pseudo-cellphone traces. The generated artificial pseudo-cellphone traces with known mode are then used to train a deep neural network classifier. We further apply the trained model to infer travel modes for the cellphone traces from cellular network data. The empirical case study region is Montevideo, Uruguay, where high-quality data are available for all three types of data used in the analysis: a large dataset of cellphone traces, a large dataset of public transit smartcard transactions, and a small household travel survey. The results can be used to create an enhanced representation of origin-destination trip-making in the region by time of day and travel mode.
{"title":"Modelling cellphone trace travel mode with neural networks using transit smartcard and home interview survey data","authors":"J. Vaughan, Ahmadreza Faghih Imani, B. Yusuf, E. Miller","doi":"10.18757/EJTIR.2020.20.4.5429","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.4.5429","url":null,"abstract":"This study proposes a framework to impute travel mode for trips identified from cellphone traces by developing a deep neural network model. In our framework, we use the trips from a home interview survey and transit smartcard data, for which the travel mode is known, to create a set of artificial pseudo-cellphone traces. The generated artificial pseudo-cellphone traces with known mode are then used to train a deep neural network classifier. We further apply the trained model to infer travel modes for the cellphone traces from cellular network data. The empirical case study region is Montevideo, Uruguay, where high-quality data are available for all three types of data used in the analysis: a large dataset of cellphone traces, a large dataset of public transit smartcard transactions, and a small household travel survey. The results can be used to create an enhanced representation of origin-destination trip-making in the region by time of day and travel mode.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43101294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-01DOI: 10.18757/EJTIR.2020.20.4.5409
Qingying Lu
Like other transportation data, lane-mean speeds are also best modeled by a system of structural equations. Several studies omit the interrelation between adjacent lane speeds, which may produce biased and inconsistent results if models are solved by ordinary least squares. The uncorrelatedness of regressors and disturbances assumption of ordinary least squares is violated since one or more independent variables are endogenous in the system. This study attempts to propose a structural equations approach to model the lane-mean speeds in multi-lane traffic, in which the endogeneity of adjacent lane speeds and the downstream speeds are being considered. Additionally, the equations system can serve as a prediction model for lane-mean speeds. Several empirical analyses using the data collected from multi-lane freeways with different lengths and different numbers of lanes are conducted to observe the performance of the equations system in different conditions. The study further compares the prediction accuracy between the underlying approach and the model established by Shankar and Mannering (1998) for assessing the impact of introducing downstream speeds within the model. The findings show that more precise results are obtained generally after downstream speeds are included, emphasizing the improvements and superiority of this approach.
{"title":"structural equations approach for modeling the endogeneity of lane-mean speeds considering the downstream speeds","authors":"Qingying Lu","doi":"10.18757/EJTIR.2020.20.4.5409","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.4.5409","url":null,"abstract":"Like other transportation data, lane-mean speeds are also best modeled by a system of structural equations. Several studies omit the interrelation between adjacent lane speeds, which may produce biased and inconsistent results if models are solved by ordinary least squares. The uncorrelatedness of regressors and disturbances assumption of ordinary least squares is violated since one or more independent variables are endogenous in the system. This study attempts to propose a structural equations approach to model the lane-mean speeds in multi-lane traffic, in which the endogeneity of adjacent lane speeds and the downstream speeds are being considered. Additionally, the equations system can serve as a prediction model for lane-mean speeds. Several empirical analyses using the data collected from multi-lane freeways with different lengths and different numbers of lanes are conducted to observe the performance of the equations system in different conditions. The study further compares the prediction accuracy between the underlying approach and the model established by Shankar and Mannering (1998) for assessing the impact of introducing downstream speeds within the model. The findings show that more precise results are obtained generally after downstream speeds are included, emphasizing the improvements and superiority of this approach.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41983191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-01DOI: 10.18757/EJTIR.2020.20.4.5468
C. Antoniou, Emmanouil Chaniotakis, Christos Katrakazas, Alejandro Tirachini
In a rapidly changing world, transportation is a big determinant of quality of life, financial growth and progress. New challenges (such as the emergence of the COVID-19 pandemic) and opportunities (such as the three revolutions of shared, electric and automated mobility) are expected to drastically change the future mobility landscape. Researchers, policy makers and practitioners are working hard to prepare for and shape the future of mobility that will maximize benefits. Adopting a human perspective as a guiding principle in this endeavor is expected to help prioritize the “right” needs as requirements. In this special issue, eight research papers outline ways in which transportation research can contribute to a better tomorrow. In this editorial, we position the research within the state-of-the-art, identify the needs for future research, and then outline how the included contributions fit in this puzzle. Naturally, the problem of sustainable future transportation systems is way too complicated to be covered with a single special issue. We thus conclude this editorial with a discussion about open questions and future research topics.
{"title":"Editorial: A better tomorrow: towards human-oriented, sustainable transportation systems","authors":"C. Antoniou, Emmanouil Chaniotakis, Christos Katrakazas, Alejandro Tirachini","doi":"10.18757/EJTIR.2020.20.4.5468","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.4.5468","url":null,"abstract":"In a rapidly changing world, transportation is a big determinant of quality of life, financial growth and progress. New challenges (such as the emergence of the COVID-19 pandemic) and opportunities (such as the three revolutions of shared, electric and automated mobility) are expected to drastically change the future mobility landscape. Researchers, policy makers and practitioners are working hard to prepare for and shape the future of mobility that will maximize benefits. Adopting a human perspective as a guiding principle in this endeavor is expected to help prioritize the “right” needs as requirements. In this special issue, eight research papers outline ways in which transportation research can contribute to a better tomorrow. In this editorial, we position the research within the state-of-the-art, identify the needs for future research, and then outline how the included contributions fit in this puzzle. Naturally, the problem of sustainable future transportation systems is way too complicated to be covered with a single special issue. We thus conclude this editorial with a discussion about open questions and future research topics.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44403125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-01DOI: 10.18757/EJTIR.2020.20.4.5304
Wolfgang Blumthaler, Bartosz Bursa, M. Mailer
This paper explores the usability of floating car data (FCD) of mixed quality in congestion analysis on motorways. The specific data quality aspects that we are investigating are the number and density of trajectories, the GPS interval, and the fleet representativeness. We use a dataset provided by the German Automobile Club ADAC covering the Tyrolean road network in 2016. From this dataset, trajectories along the A12 motorway were extracted for congestion analysis. These data are characterized by high GPS time interval, low number of trajectories, and are not representative for total traffic due to overrepresentation of trucks. The influence of these quality parameters on congestion identification is explored by analyzing the parameter distribution among different congestion types. In addition, we validate the results by comparing them with congestion incidents obtained from the stationary detector data (SDD) and examining the impact of quality parameters on the validation results. We find that the given data set does not allow short-term congestion patterns to be identified due to quality flaws. Especially the low number of trajectories proved problematic, whereas the influence of other parameters was less distinct. Despite these flaws, for large-scale congestion incidents, floating car data provide outcomes similar to those derived from stationary detectors.
{"title":"Influence of floating car data quality on congestion identification","authors":"Wolfgang Blumthaler, Bartosz Bursa, M. Mailer","doi":"10.18757/EJTIR.2020.20.4.5304","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.4.5304","url":null,"abstract":"This paper explores the usability of floating car data (FCD) of mixed quality in congestion analysis on motorways. The specific data quality aspects that we are investigating are the number and density of trajectories, the GPS interval, and the fleet representativeness. We use a dataset provided by the German Automobile Club ADAC covering the Tyrolean road network in 2016. From this dataset, trajectories along the A12 motorway were extracted for congestion analysis. These data are characterized by high GPS time interval, low number of trajectories, and are not representative for total traffic due to overrepresentation of trucks. The influence of these quality parameters on congestion identification is explored by analyzing the parameter distribution among different congestion types. In addition, we validate the results by comparing them with congestion incidents obtained from the stationary detector data (SDD) and examining the impact of quality parameters on the validation results. We find that the given data set does not allow short-term congestion patterns to be identified due to quality flaws. Especially the low number of trajectories proved problematic, whereas the influence of other parameters was less distinct. Despite these flaws, for large-scale congestion incidents, floating car data provide outcomes similar to those derived from stationary detectors.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48520728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-01DOI: 10.18757/EJTIR.2020.20.4.5425
F. Witlox
On May 23-24 2019 the Transport Research Days (TRDs) of BIVEC-GIBET, the Benelux Interuniversity Association of Transport Researchers, took place in Ghent (Belgium). What then was common practice -- going to a conference, present your paper, and interact with people face-to-face on campus – is now, due to COVID-19, something we all again look very much forward to. The TRDs are organized biannually and offer young and established scholars from the three Benelux Countries an opportunity to present their research findings to an informed audience of transport, mobility, and logistics researchers. It is already the 8th time that the TRDs have been organized. Previous editions were held in Hasselt (2005), Rotterdam (2007), Brussels (2009), Namur (2011), Luxembourg (2013), Eindhoven (2015), Liège (2017), and Ghent (2019). And also the venue for the 9th TRD has been decided: Delft (2021). In May 2019 the TRDs were organized by the Social and Economic Geography (SEG) Research Group of the Geography Department of Ghent University. The conference theme, although general enough to welcome various mobility- and transport-related disciplines, centred around moving forward towards more sustainability mobility and transport through smart systems. In 12 different sessions devoted to Safety, Travel behaviour, Traffic flows, Freight, Climate, Accessibility, Route choice, Pricing, Cars, Ports/airports, and Travel data, the best of current transport, mobility and logistics research in the Benelux-countries was presented. The set of full papers can be found in Witlox (2019). Yes, BIVEC-GIBET keeps its tradition and still publishes (in paper form) its proceedings… Another tradition is to go for a special issue of a journal, and we are very happy that European Journal of Transport and Infrastructure Research (EJTIR) agreed to host such a SI. In total we received eight papers, three of which, after review, have been accepted. By coincidence, all three accepted papers stem from Dutch researchers. And all three are of high relevance in today’s ongoing pandemic of the coronavirus disease, although neither of the three papers refers to COVID-19 because the research was conducted prior to the pandemic.
{"title":"Editorial: Special issue of the Transport Research Days (TRDs) of BIVEC-GIBET 2019","authors":"F. Witlox","doi":"10.18757/EJTIR.2020.20.4.5425","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.4.5425","url":null,"abstract":"On May 23-24 2019 the Transport Research Days (TRDs) of BIVEC-GIBET, the Benelux Interuniversity Association of Transport Researchers, took place in Ghent (Belgium). What then was common practice -- going to a conference, present your paper, and interact with people face-to-face on campus – is now, due to COVID-19, something we all again look very much forward to. \u0000The TRDs are organized biannually and offer young and established scholars from the three Benelux Countries an opportunity to present their research findings to an informed audience of transport, mobility, and logistics researchers. It is already the 8th time that the TRDs have been organized. Previous editions were held in Hasselt (2005), Rotterdam (2007), Brussels (2009), Namur (2011), Luxembourg (2013), Eindhoven (2015), Liège (2017), and Ghent (2019). And also the venue for the 9th TRD has been decided: Delft (2021). \u0000In May 2019 the TRDs were organized by the Social and Economic Geography (SEG) Research Group of the Geography Department of Ghent University. The conference theme, although general enough to welcome various mobility- and transport-related disciplines, centred around moving forward towards more sustainability mobility and transport through smart systems. In 12 different sessions devoted to Safety, Travel behaviour, Traffic flows, Freight, Climate, Accessibility, Route choice, Pricing, Cars, Ports/airports, and Travel data, the best of current transport, mobility and logistics research in the Benelux-countries was presented. The set of full papers can be found in Witlox (2019). Yes, BIVEC-GIBET keeps its tradition and still publishes (in paper form) its proceedings… Another tradition is to go for a special issue of a journal, and we are very happy that European Journal of Transport and Infrastructure Research (EJTIR) agreed to host such a SI. In total we received eight papers, three of which, after review, have been accepted. By coincidence, all three accepted papers stem from Dutch researchers. And all three are of high relevance in today’s ongoing pandemic of the coronavirus disease, although neither of the three papers refers to COVID-19 because the research was conducted prior to the pandemic.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45663377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-09-29DOI: 10.18757/EJTIR.2020.20.3.4612
Omid Maghazei, M. Steinmann
Evidence shows that the applications of drones are increasing quickly in many industries. Railways are no exception. Due to fast advances in technology, drones are on the verge of breakthroughs that will affect future applications, implementations, and their consequences. Looking ahead, we elaborate on the potential for drones in railways. We use scenario planning and combine it with the findings of an action research project, which we conducted with Swiss Federal Railways (SBB). First, we explore the applications and future trends of drone use in railway operations. Second, based on seven identified factors that may affect the future of drones in railways by 2030, we develop three future scenarios: pessimistic, realistic, and optimistic. The study results help practitioners make informed decisions regarding future drone programs in railways. We also contribute theoretical insights into how high-potential technologies can unleash new capabilities in railway operations.
{"title":"Drones in Railways","authors":"Omid Maghazei, M. Steinmann","doi":"10.18757/EJTIR.2020.20.3.4612","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.3.4612","url":null,"abstract":"Evidence shows that the applications of drones are increasing quickly in many industries. Railways are no exception. Due to fast advances in technology, drones are on the verge of breakthroughs that will affect future applications, implementations, and their consequences. Looking ahead, we elaborate on the potential for drones in railways. We use scenario planning and combine it with the findings of an action research project, which we conducted with Swiss Federal Railways (SBB). First, we explore the applications and future trends of drone use in railway operations. Second, based on seven identified factors that may affect the future of drones in railways by 2030, we develop three future scenarios: pessimistic, realistic, and optimistic. The study results help practitioners make informed decisions regarding future drone programs in railways. We also contribute theoretical insights into how high-potential technologies can unleash new capabilities in railway operations.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49270648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-09-23DOI: 10.18757/EJTIR.2020.20.3.4515
B. Huang, S. Cranenburgh, C. Chorus
Although Automated vehicles (AVs) are expected to have a major and positive effect on road safety, recent accidents caused by AVs tend to generate a powerful negative impact on the public opinion regarding safety aspects of AVs. Triggered by such incidents, many experts and policy makers now believe that paradoxically, safety perceptions may well prohibit or delay the rollout of AVs in society, in the sense that AVs will need to become much safer than conventional vehicles (CVs), before being accepted by the public. In this study, we provide empirical insights to investigate and explain this safety paradox. Using stated choice experiments, we show that there is indeed a difference between the weight that individuals implicitly attach to an AV-fatality and to a CV-fatality. However, the degree of overweighting of AV-fatalities, compared to CV-fatalities, is considerably smaller than what has been suggested in public opinions and policy reports. We also find that the difference in weighting between AV-fatalities and CV-fatalities is (partly) related to a reference level effect: simply because the current number of fatalities caused by AVs is extremely low, each additional fatality carries extra weight. Our findings suggest that indeed, AVs have to become safer—but not orders of magnitude safer—than CVs, before the general public will develop a positive perception of AVs in terms of road safety. Ironically, our findings also suggest that the inevitable occurrence of more AV-related road accidents will in time lead to a diminishing degree of overweighting of safety issues surrounding the AV.
{"title":"Death by automation: Differences in weighting of fatalities caused by automated and conventional vehicles","authors":"B. Huang, S. Cranenburgh, C. Chorus","doi":"10.18757/EJTIR.2020.20.3.4515","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.3.4515","url":null,"abstract":"Although Automated vehicles (AVs) are expected to have a major and positive effect on road safety, recent accidents caused by AVs tend to generate a powerful negative impact on the public opinion regarding safety aspects of AVs. Triggered by such incidents, many experts and policy makers now believe that paradoxically, safety perceptions may well prohibit or delay the rollout of AVs in society, in the sense that AVs will need to become much safer than conventional vehicles (CVs), before being accepted by the public. In this study, we provide empirical insights to investigate and explain this safety paradox. Using stated choice experiments, we show that there is indeed a difference between the weight that individuals implicitly attach to an AV-fatality and to a CV-fatality. However, the degree of overweighting of AV-fatalities, compared to CV-fatalities, is considerably smaller than what has been suggested in public opinions and policy reports. We also find that the difference in weighting between AV-fatalities and CV-fatalities is (partly) related to a reference level effect: simply because the current number of fatalities caused by AVs is extremely low, each additional fatality carries extra weight. Our findings suggest that indeed, AVs have to become safer—but not orders of magnitude safer—than CVs, before the general public will develop a positive perception of AVs in terms of road safety. Ironically, our findings also suggest that the inevitable occurrence of more AV-related road accidents will in time lead to a diminishing degree of overweighting of safety issues surrounding the AV.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44150904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-09-22DOI: 10.18757/EJTIR.2020.20.3.3981
C. V. Dorsser, F. Vinke, R. Hekkenberg, M. V. Koningsveld
Temporary low water levels can have a major impact on the loading capacity of inland ships, and as a consequence on the transport capacity of the overall waterborne supply chain. Insight in the capacity reducing effect of temporarily lowered water levels is important for the design and operation of robust transport chains on the one hand, and for the optimisation of fairway maintenance and long-term infrastructure development on the other. Knowledge on the effects of low water is clearly available at the level of individual ship owners, who adapt their transport operations to changing environmental circumstances, but less accessible at an aggregated level to assess the effects on the overall transport capacity of an inland waterway network. Based on a range of field observations and information collected from individual ships, this article introduces a general model to define the effect of low water constraints on the deadweight capacity and payload of inland ships, for which only the type, length, and beam of the vessel serve as input.
{"title":"The effect of low water on loading capacity of inland ships","authors":"C. V. Dorsser, F. Vinke, R. Hekkenberg, M. V. Koningsveld","doi":"10.18757/EJTIR.2020.20.3.3981","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.3.3981","url":null,"abstract":"Temporary low water levels can have a major impact on the loading capacity of inland ships, and as a consequence on the transport capacity of the overall waterborne supply chain. Insight in the capacity reducing effect of temporarily lowered water levels is important for the design and operation of robust transport chains on the one hand, and for the optimisation of fairway maintenance and long-term infrastructure development on the other. Knowledge on the effects of low water is clearly available at the level of individual ship owners, who adapt their transport operations to changing environmental circumstances, but less accessible at an aggregated level to assess the effects on the overall transport capacity of an inland waterway network. Based on a range of field observations and information collected from individual ships, this article introduces a general model to define the effect of low water constraints on the deadweight capacity and payload of inland ships, for which only the type, length, and beam of the vessel serve as input.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43610072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-09-04DOI: 10.18757/EJTIR.2020.20.3.4076
Felix Johan Pot, Sierdjan Koster, T. Tillema, P. Jorritsma
People living in peripheral rural areas are often considered to be prone to transport poverty and inaccessibility to activities. Previous identifications of transport poverty have mainly relied on accessibility measures based on land-use and transport data. However, such measures may be very different from how people themselves perceive accessibility. Therefore, explicitly considering perceptions of accessibility may be valuable in evaluating the nature of accessibility issues such as transport poverty. By conducting semi-structured focus group discussions in Zeeland, a rural area of the Netherlands, this paper shows that the mechanisms behind transport poverty are mediated by individual perceptions of accessibility. Local social norms related to accessibility appear to be important in shaping these perceptions. In peripheral rural areas, norms reflecting the dominance of the private car add to the negative appropriation of other transport options and shape expectations with respect to accessibility. Therefore, taking account of perceptions of accessibility, and the ways these are shaped, adds to the understanding of the nature of accessibility issues and is considered vital in designing responsive policies.
{"title":"Linking experienced barriers during daily travel and transport poverty in peripheral rural areas: the case of Zeeland, the Netherlands","authors":"Felix Johan Pot, Sierdjan Koster, T. Tillema, P. Jorritsma","doi":"10.18757/EJTIR.2020.20.3.4076","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.3.4076","url":null,"abstract":"People living in peripheral rural areas are often considered to be prone to transport poverty and inaccessibility to activities. Previous identifications of transport poverty have mainly relied on accessibility measures based on land-use and transport data. However, such measures may be very different from how people themselves perceive accessibility. Therefore, explicitly considering perceptions of accessibility may be valuable in evaluating the nature of accessibility issues such as transport poverty. By conducting semi-structured focus group discussions in Zeeland, a rural area of the Netherlands, this paper shows that the mechanisms behind transport poverty are mediated by individual perceptions of accessibility. Local social norms related to accessibility appear to be important in shaping these perceptions. In peripheral rural areas, norms reflecting the dominance of the private car add to the negative appropriation of other transport options and shape expectations with respect to accessibility. Therefore, taking account of perceptions of accessibility, and the ways these are shaped, adds to the understanding of the nature of accessibility issues and is considered vital in designing responsive policies.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48642847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-20DOI: 10.18757/EJTIR.2020.20.3.4074
Castelein R.B., H. Geerlings, J.H.R. van Duin
The refrigerated (‘reefer’) container market and cold logistics chains creates opportunities as well as challenges for seaports. This high-value market grows rapidly, but places stringent demands on seaports’ logistics processes, infrastructure, and energy provision. This study addresses the question how port authorities address the challenges and in this dynamic market environment. While previous research has outlined developments in port governance paradigms and the strategic scope of port authorities, the academic literature still lacks a comprehensive understanding of the policy options available to port authorities to respond to arising challenges and opportunities. To provide this missing understanding, this study presents a new dataset of policies, implemented by world’s 50 largest container ports, addressing reefer transportation and cold chain logistics. Policy measures are classified according to content, goals and scope. The findings from this worldwide comparative analysis illustrate that port authorities often pursue policies extending far beyond their traditional ‘landlord’ responsibility. Most commonly still, the scope of port policy is limited to the port cluster, where ports (co)-invest in or aim for cluster formation around cold stores. When a port extends its strategic scope towards its foreland or hinterland, this is usually aligned with policy goals formulated at higher levels of governance, such as modal shift goals or the development of domestic post-harvest distribution systems. There is however little evidence of coherent and comprehensive cold chain strategies, addressing the logistics, marketing, technology, and sustainability dimensions. The paper outlines the general tenets such a strategy should contain as a consideration for policymakers.
{"title":"Cold Chain Strategies for Seaports","authors":"Castelein R.B., H. Geerlings, J.H.R. van Duin","doi":"10.18757/EJTIR.2020.20.3.4074","DOIUrl":"https://doi.org/10.18757/EJTIR.2020.20.3.4074","url":null,"abstract":"The refrigerated (‘reefer’) container market and cold logistics chains creates opportunities as well as challenges for seaports. This high-value market grows rapidly, but places stringent demands on seaports’ logistics processes, infrastructure, and energy provision. This study addresses the question how port authorities address the challenges and in this dynamic market environment. While previous research has outlined developments in port governance paradigms and the strategic scope of port authorities, the academic literature still lacks a comprehensive understanding of the policy options available to port authorities to respond to arising challenges and opportunities. To provide this missing understanding, this study presents a new dataset of policies, implemented by world’s 50 largest container ports, addressing reefer transportation and cold chain logistics. Policy measures are classified according to content, goals and scope. The findings from this worldwide comparative analysis illustrate that port authorities often pursue policies extending far beyond their traditional ‘landlord’ responsibility. Most commonly still, the scope of port policy is limited to the port cluster, where ports (co)-invest in or aim for cluster formation around cold stores. When a port extends its strategic scope towards its foreland or hinterland, this is usually aligned with policy goals formulated at higher levels of governance, such as modal shift goals or the development of domestic post-harvest distribution systems. There is however little evidence of coherent and comprehensive cold chain strategies, addressing the logistics, marketing, technology, and sustainability dimensions. The paper outlines the general tenets such a strategy should contain as a consideration for policymakers.","PeriodicalId":46721,"journal":{"name":"European Journal of Transport and Infrastructure Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2020-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46640403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}