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A Review on the Application of Friction Models in Wheel-Rail Adhesion Calculation Urban Rail. Transit Pub Date : 2021-03-08 Zewang Yuan; Mengling Wu; Chun Tian; Jiajun Zhou; Chao Chen
Friction is the bond linking the tangential and normal forces at the wheel-rail interface. Modeling friction is the precondition for the wheel-rail adhesion calculation. In this work, the critical role of friction in the calculation of wheel-rail adhesion is discussed. Four types of friction models (Coulomb model, linear model + Coulomb model, rational model and exponential model) which are commonly
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How Does Railway Respond to the Spread of COVID-19? Countermeasure Analysis and Evaluation Around the World Urban Rail. Transit Pub Date : 2021-03-04 Yonghao Yin; Dewei Li; Songliang Zhang; Lifu Wu
The global COVID-19 pandemic is having a significant impact on the development of many aspects all over the world. As an important part of public services, rail transit requires effective response countermeasures to control the spread of COVID-19. Considering the current development of the epidemic situation, this article discusses the characteristics of COVID-19 transmission and identifies vulnerable
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A Qualitative Study on Providing Alternative Solutions for Handling the HSR Passenger’s Luggage Urban Rail. Transit Pub Date : 2021-01-16 Lok Pan Lo, Marin Marinov, Bernhard Rüger
The objective of this paper is to look at the problem of high-speed rail (HSR) passengers’ luggage and provide alternative solutions to improve luggage handling. A qualitative study is carried out to assess the current state of HSR practices, analyse existing issues with HSR passenger luggage and provide alternative solutions, including modification of the passenger unit, double-deck rolling stock
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Design of Cloud Computing and Microservice-Based Urban Rail Transit Integrated Supervisory Control System Plus Urban Rail. Transit Pub Date : 2020-11-09 Songwei Yu, Haili Chang, Hanjun Wang
In traditional metro weak current systems, subsystems built by different manufacturers are physically separated, and devices are redundant while data are isolated. This causes low resource use, high maintenance cost, long customization cycles, and high interface complexity. In this paper, based on an analysis of the problems in traditional metro weak current systems, a novel cloud and microservice-based
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Designing Supporting Structures of Passenger Ropeways of Minimum Cost Based on Modular Intermediate Towers of Discretely Variable Height Urban Rail. Transit Pub Date : 2020-11-09 Alexander V. Lagerev, Igor A. Lagerev
Passenger ropeways are a promising alternative for the development of public transport infrastructure in large cities. However, the construction of ropeways has a rather high cost and requires taking into account a significant number of restrictions associated with the features of the existing urban development and the placement of urban infrastructure. The main objective of this research is to develop
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Effects of Traffic Loads and Track Parameters on Rail Wear: A Case Study for Yenikapi–Ataturk Airport Light Rail Transit Line Urban Rail. Transit Pub Date : 2020-10-28 Hazal Yılmaz Sönmez, Zübeyde Öztürk
The aim of this study is to investigate the effects of traffic loads and track parameters, including track curvature, superelevation, and train speed, on vertical and lateral rail wear. The Yenikapi–Ataturk Airport Light Rail Transit (LRT) line in Istanbul was selected as a case study, and rail wear measurements were carried out accordingly. Passenger counts were performed in all wagons of the train
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Service Quality of Addis Ababa Light Rail Transit: Passengers’ Views and Perspectives Urban Rail. Transit Pub Date : 2020-10-22 Adane Obsie, Mintesnot Woldeamanuel, Berhanu Woldetensae
Understanding the service quality of public transportation based on users’ perception is an important input for local governments and transit service providers in their planning efforts to improve system performance. Using the Addis Ababa Light Rail Transit (AALRT) as a case, this study aims to examine service users' views and perspectives by using 18 quality attributes. Factor analysis and ordered
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Research on Subhealth Diagnosis Method for Resistance of Urban Rail Transit Door System Urban Rail. Transit Pub Date : 2020-10-16 Sulai Wei, Zhixing Xu, Jianfei Chen, Xiang Shi
The rail vehicle door system is one of the key components of rail vehicles. Its failure rate accounts for more than 30% of vehicle failures. By analyzing early warnings provided by subhealth data from the door system, the efficiency and reliability of their health maintenance can be effectively improved and stable operation of the door system can also be guaranteed. In this paper, early-stage resistance
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Third-Rail Insulator Failure Causes and Mitigating Practices: A Comparative Study of Multiple Case Studies in the U.S. Urban Rail. Transit Pub Date : 2020-10-12 Behzad Rouhanizadeh, Sharareh Kermanshachi
Rail transit systems are one of the most important and popular types of transit systems used daily in metropolitan areas all around the world. The third rail is one of the providers of traction power in electrified rail systems, but it faces several issues, such as insulator failures. The purpose of this study is to investigate the causes of insulator failures, which have not been comprehensively studied
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Underground Metro Drivers: Occupational Problems and Job Satisfaction Urban Rail. Transit Pub Date : 2020-09-03 Seyed Alireza Samerei; Kayvan Aghabayk; Mohamad Hosein Akbarzade
The performance of employees in a transport set is highly affected by their satisfaction and occupational problems. Underground metro drivers work in special conditions as compared with the drivers of suburban trains and urban tramways. Even though several studies have focused on the ergonomics of train drivers, there is a dearth of research on underground metro drivers. This study was conducted to
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Correction to: Tramways in Urban Areas: An Overview on Safety at Road Intersections Urban Rail. Transit Pub Date : 2020-09-01 Marco Guerrieri
In the original publication figures 4, 5, 6 have been removed due to not having the appropriate permissions to reproduce the images contained in the figures. Figure 8 has a problem of R2 mark. The revised figures are provided in this correction.
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The Impact of Transit-Oriented Shopping Mall Developments (TOSMDs) on Metro Station Ridership: Dubai Metro Redline Urban Rail. Transit Pub Date : 2020-07-15 Ayman Abutaleb; Kevin McDougall; Marita Basson; Rumman Hassan; Muhammad Nateque Mahmood
Transit-oriented shopping mall development (TOSMD) is a novel concept in urban planning practice. The array of TOSMD attractiveness factors is not currently included in the forecasting models for station ridership. As a result, a station near a TOSMD can reach its capacity because its design and development didn't take into account TOSMD, while TOSMD contributes passenger flow to the station. Depending
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Impact of Symmetric Vertical Sinusoid Alignments on Infrastructure Construction Costs: Optimizing Energy Consumption in Metropolitan Railway Lines Using Artificial Neural Networks Urban Rail. Transit Pub Date : 2020-07-02 J Pineda-Jaramillo; P. Salvador-Zuriaga; P. Martínez-Fernández; R. Insa-Franco
Minimizing energy consumption is a key issue from both an environmental and economic perspectives for railways systems; however, it is also important to reduce infrastructure construction costs. In the present work, an artificial neural network (ANN) was trained to estimate the energy consumption of a metropolitan railway line. This ANN was used to test hypothetical vertical alignments scenarios, proving
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Monitoring Large-Scale Rail Transit Systems Based on an Analytic Hierarchy Process/Gradient-Based Cuckoo Search Algorithm (GBCS) Scheme Urban Rail. Transit Pub Date : 2020-04-23 Nihad Hasan Talib; Khalid Bin Hasnan; Azli Bin Nawawi; Haslina Binti Abdullah; Adel Muhsin Elewe
Condition monitoring is used as a tool for maintenance management and function as input to decision support. Thus the key parameters in preventing severe damage to railway assets can be determined by automatic real-time monitoring. The technique of radio-frequency identification (RFID) is increasingly applied for the automatic real-time monitoring and control of railway assets, which employs radio
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Investigating the Impact of Dwell Time on the Reliability of Urban Light Rail Operations Urban Rail. Transit Pub Date : 2020-03-19 Zoi Christoforou; Ektoras Chandakas; Ioannis Kaparias
The present study investigates the determinants of vehicle dwell time at stations in urban light rail networks. Using data collected from an on-board automatic passenger counting system of the tramway network of the French city of Nantes over a long period, the study performs graphical and statistical analyses enabling the identification of cause-and-effect relationships of a number of attributes on
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Reuse of Abandoned Railways Leads to Urban Regeneration: A Tale from a Rust Track to a Green Corridor in Zhangjiakou Urban Rail. Transit Pub Date : 2020-03-09 Chun Zhang; Shujian Dai; Haishan Xia
While high-speed train systems have accelerated mobility in China during the twenty-first century, the train systems of normal speed have gradually been replaced and abandoned, resulting in a "rust belt" in some Chinese cities. The reuse of abandoned railways provides a way to rebuild urban public transit based on the traditional tracks, and is also a way to transform towards urban regeneration of
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Data Analysis to Study Sub-threshold Delays Incurred by Tyne and Wear Metro Trains Urban Rail. Transit Pub Date : 2020-03-02 Daniel Screen; James Parkinson; Christopher Shilton; Aleksandrs Rjabovs; Marin Marinov
The performance of Tyne and Wear Metro system in the UK is measured on a headway basis, and gaps in service that are 4 min or more in excess of scheduled gaps are investigated and the cause documented. The metro system has a number of infrastructure constraints including single-line sections, junctions and level crossings, all of which have to be taken account of when constructing the timetable, in
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Challenges in Construction of Secant Bored Piles in Sandy Soil and Within a Railway Protection Zone Urban Rail. Transit Pub Date : 2020-02-11 Nancy Mittal; Yew Chai Ho Arthur; Sze Beng Tay Edwin
The continuing growth of population density in urban areas around the world has placed greater emphasis on the utilisation and development of underground space to meet the increasing demands of the city. Due to limited land space available in downtown areas, many cities in the world are also embarking on integration of major construction projects of metro infrastructure, commercial developments and
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Numerical Prediction and Corresponding Circular Economy Approaches for Resource Optimisation and Recovery of Underground Structures Urban Rail. Transit Pub Date : 2020-02-10 Han-Mei Chen; Rongxin Zhou; Cristian Ulianov
The transition from a linear economy to a circular economy is a significant component of economic, environmental and social sustainability. Underground metro infrastructures such as tunnels can play a vital role in a circular economy, resulting in greater sustainability and less contribution to climate change. This paper presents numerical models of small-scale brick-lined railway tunnels to identify
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Evaluation of Actual Timetables and Utilization Levels of West Midlands Metro Using Event-Based Simulations Urban Rail. Transit Pub Date : 2020-02-08 Praful Potti; Marin Marinov
The performance of the West Midlands Metro in the United Kingdom is analyzed in the present study by evaluating the existing timetables of the metro system. Using SIMUL8 computer software, a discrete event-based simulation prototype modeling the metro system is developed and implemented. The model adequately describes the performance of the West Midlands Metro system. By running simulations, the overall
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Operational Challenges of the Bangkok Airport Rail Link Urban Rail. Transit Pub Date : 2020-01-25 Waressara Weerawat; Lalitphan Samitiwantikul; Ratthanan Torpanya
The airport rail link (ARL) was launched in 2010 as a premium rail transit service between the inner city of Bangkok and the airport. In 2014, the express service was canceled due to its unpopularity and transformed into the commuter service. In 2017, the new extended service concept was introduced under the three airport links project. Under this new concept, both ARL and high-speed trains will run
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Evaluation of Relationships Between Ridership Demand and Transit-Oriented Development (TOD) Indicators Focused on Land Use Density, Diversity, and Accessibility: A Case Study of Existing Metro Stations in Bangkok Urban Rail. Transit Pub Date : 2020-01-24 Khin Thiri Kyaw Nyunt; Natachai Wongchavalidkul
The purpose of this work is to support the transit-oriented development (TOD) in Thailand. The main research objective is to explore the relationship between ridership demand and TOD indicators, which is expected to be the first question that a developer in Thailand must be able to answer in order to direct their development plan in the right direction. Using existing Bangkok metro stations as a case
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A Risk-Based Analysis of Design Practices in Regard to Passenger Hazard Exposure in Open Mass Transit Stations Urban Rail. Transit Pub Date : 2020-01-06 Sebastian Gintschel; Phumin Kirawanich
Design practices in regard to passenger hazard exposure in mass transit stations that are directly open to the atmosphere, so-called open stations, are the focus of this study. The benchmarking exercise intends to provide a comprehensive review regarding the application of existing international and national design codes, standards, and guidelines in terms of their ability to mitigate hazards at key
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Connectivity Reliability on an Urban Rail Transit Network from the Perspective of Passenger Travel Urban Rail. Transit Pub Date : 2019-12-09 Jie Liu; Qiyuan Peng; Jinqu Chen; Yong Yin
Under the background of urbanization and the rapid development of urban rail transit (URT), serious attention has been focused on URT network reliability in recent years. In this work, in order to measure network reliability, three indicators are constructed based on passengers’ tolerable travel paths, passenger travel efficiency and passenger travel realization on a URT network. The passenger tolerability
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Catenary-Free Tramway Systems: Functional and Cost–Benefit Analysis for a Metropolitan Area Urban Rail. Transit Pub Date : 2019-11-23 Marco Guerrieri
New tramway technologies such as “ground-level power supply systems” fit with the purpose of preserving historical heritage and urban environments of city centers. Such public transportation systems do not require a traditional air supply system (+ 750 V) and are therefore referred to as “catenary-free systems” (i.e., APS system, tramwave system, Primove system). Their implementation is becoming increasingly
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Investigation into Effects of System Design on Metro Drivers’ Safety-Related Performance: An Eye-Tracking Study Urban Rail. Transit Pub Date : 2019-11-15 Aleksandrs Rjabovs; Roberto Palacin
This paper explores performance shaping factors associated with holistic design aspects of metro systems affecting driver’s behaviour based on a case study using eye-tracking techniques. Train driving is a highly visual task where the physical environment provides key visual instructions. Eye–mind theories suggest that eye movements closely follow cognitive processes when it comes to interaction with
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Multi-modelling for Decarbonisation in Urban Rail Systems Urban Rail. Transit Pub Date : 2019-11-15 David Golightly; Carl Gamble; Roberto Palacin; Ken Pierce
This paper demonstrates a methodology for flexible, dynamic systems modelling relevant to urban rail decarbonisation. Decarbonisation of urban rail is a vital component of policy and strategy to minimize anthropogenic emissions. Decarbonisation is a systems problem, however, that needs to reflect the interaction between components and processes. Dynamic computer modelling of systems for decarbonisation
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Public Perceptions of a New MRT Service: a Pre-launch Study in Jakarta Urban Rail. Transit Pub Date : 2019-11-08 Ahmad Faisal Dahlan; Anna Fraszczyk
Jakarta Mass Rapid Transit (MRT) is the first rapid transit system in Indonesia, built with the aim of alleviating the severe congestion in Jakarta by offering a travel alternative to people using private vehicles. Although Jakarta MRT is the most sophisticated inland transport mode in Jakarta, prior to its launch, there was no evidence or guarantee that the local community was willing to use it. Hence
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Commuters’ Willingness to Shift to Metro: a Case Study of Salaya, Thailand Urban Rail. Transit Pub Date : 2019-11-04 Anna Fraszczyk; Waressara Weerawat; Phumin Kirawanich
The rapid expansion of new metro systems in the last two decades shows a globally growing interest in urban rail transit infrastructure. Every time a new metro line is opened, it has the potential to change the existing modal split, which is usually dominated by private (car or motorcycle) transport users. For each new or expanding metro system, a feasibility study is conducted, which focusses mainly
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Towards a Conceptual Framework for Understanding the Attractiveness of Rail Transit-Oriented Shopping Mall Developments (TOSMDs) Urban Rail. Transit Pub Date : 2019-11-01 Ayman Abutaleb; Kevin McDougall; Marita Basson; Rumman Hassan; Muhammad Nateque Mahmood
Transit-oriented development (TOD) links residential, retail, commercial, and community service developments to frequent, accessible rail transit services to stimulate sustainable development in the form of decreased land use and transport integration. A mixed-use shopping mall can be developed as a TOD with moderate to high density with diverse land use patterns and well-connected street networks
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A Model for Optimizing Railway Alignment Considering Bridge Costs, Tunnel Costs, and Transition Curves Urban Rail. Transit Pub Date : 2019-10-12 Benyamin Ghoreishi; Yousef Shafahi; Seyed Elyas Hashemian
Owing to wide-ranging searches (there are various alignments between two points) as well as complex and nonlinear cost functions and a variety of geometric constraints, the problem of optimal railway alignment is classified as a complex problem. Thus, choosing an alignment between two points is usually done based on a limited number of alignments designed by experts. In recent years, the study of railway
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Integrated and Sustainable Benchmarking of Metro Rail System Using Analytic Hierarchy Process and Fuzzy Logic: A Case Study of Mumbai Urban Rail. Transit Pub Date : 2019-09-24 Pradeep Chaitanya Jasti; V. Vinayaka Ram
Intra-city mobility affects the well-being of city dwellers and the quality of urban life. A highly sophisticated and sustainable mass rapid transit system is key to facilitating such mobility. Metro Rail is one such successful system suitable for Indian conditions. A network of around 425 km is under operation and about 700 km is under fast track implementation in various cities (MoHUA in Annual report
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A Remote Subgrade Settlement Monitoring System Based on Optical Method Urban Rail. Transit Pub Date : 2019-09-09 Jianye Xu; Xin Li; Jing Yang; Yan Gao; Sijin Wu
Monitoring of subgrade settlement in railway and highway helps to maintain traffic safety and reduce infrastructure losses. When an excess subgrade settlement is detected, maintenances of the unqualified subgrade will be processed in time, and early warning of constructions will be processed to prevent the occurrence of safety accident. In this article, a noncontact, real-time, and unattended system
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Development of an Algorithm for Optimal Demand Responsive Relocatable Feeder Transit Networks Serving Multiple Trains and Stations Urban Rail. Transit Pub Date : 2019-09-05 Young-Jae Lee; Mana Meskar; Amirreza Nickkar; Sina Sahebi
Although demand responsive feeder bus operation is possible with human-driven vehicles, it has not been very popular and is mostly available as a special service because of its high operating costs due to intensive labor costs as well as requirement for advanced real-time information technology and complicated operation. However, once automated vehicles become available, small-sized flexible door-to-door
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A Multi-objective Optimization Model for Robust Skip-Stop Scheduling with Earliness and Tardiness Penalties Urban Rail. Transit Pub Date : 2019-08-30 Farzaneh Rajabighamchi; Ebrahim Mohammadi Hosein Hajlou; Erfan Hassannayebi
Inefficient transport systems impose extra travel time for travelers, cause dissatisfaction and reduce service levels. In this study, the demand-oriented train scheduling problem is addressed using a robust skip-stop method under uncertain arrival rates during peak hours. This paper presents alternative mathematical models, including a two-stage scenario-based stochastic programming model and two robust
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Research Strategies on New Prefabricated Technology for Underground Metro Stations Urban Rail. Transit Pub Date : 2019-06-22 Xiuren Yang; Meiqun Huang; Fang Lin
Based on the first successful application of new prefabricated technology in underground metro stations on line 2 of the Changchun Metro in China, a comprehensive analysis and discussion on research strategies for new prefabricated technology for large underground structures is provided. This paper introduces the application status of prefabricated technology in underground engineering worldwide, illustrates
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Performance Optimization of Public Transport Using Integrated AHP–GP Methodology Urban Rail. Transit Pub Date : 2019-06-10 Anila Cyril; Raviraj H. Mulangi; Varghese George
The State Road Transport Undertakings (SRTUs) are the economic providers of mass transport in India. The institutional constraints imposed on the SRTUs result in low productivity and inefficiency. In this fiercely competitive environment, the state-owned public transport industry cannot operate sustainably, showing mediocre performance. With relatively scarce financial resources, high political expectations
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Prediction of Rail Contact Fatigue on Crossings Using Image Processing and Machine Learning Methods Urban Rail. Transit Pub Date : 2019-06-04 Mykola Sysyn; Ulf Gerber; Olga Nabochenko; Dmitri Gruen; Franziska Kluge
In this paper, an application of computer vision and machine learning algorithms for common crossing frog diagnostics is presented. The rolling surface fatigue of frogs along the crossing lifecycle is analysed. The research is based on information from high-resolution optical images of the frog rolling surface and images from magnetic particle inspection. Image processing methods are used to pre-process
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Contribution of Artificial Intelligence to Risk Assessment of Railway Accidents Urban Rail. Transit Pub Date : 2019-05-31 Habib Hadj-Mabrouk
In the design, development, and operation of a rail transport system, all the actors involved use one or more safety methods to identify hazardous situations, the causes of hazards, potential accidents, and the severity of the consequences that would result. The main objective is to justify and ensure that the design architecture of the transportation system is safe and presents no particular risk
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Electrical Components of Maglev Systems: Emerging Trends Urban Rail. Transit Pub Date : 2019-05-29 Nisha Prasad; Shailendra Jain; Sushma Gupta
Consistently rising environmental concerns and depleting petroleum resources have accentuated the need of sustainable, energy efficient and clean means of transport. This has provided the impetus to the research and development of clean alternatives for existing public transportation systems. Development of linear motor-propelled, contact-less maglev systems is considered a promising alternative to
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A Systems Design Study Introducing a Collection Point for Baggage Transfer Services at a Railway Station in the UK Urban Rail. Transit Pub Date : 2019-05-24 Ho Ki Yeung; Marin Marinov
Railway transport has shown a steady growth in passenger numbers over the past 20 years across the UK. Passengers travel with luggage. It has been forecasted that there will be a reduction of “luggage racks-to-seats” ratio in the future passenger train fleet. There are currently no baggage transfer systems at any of the train stations as part of the urban rail transit system in the UK. Hence, the purpose
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Correction to: Development and Comparison of Algorithms to Derive Vehicle Location from Speed Profile Data Urban Rail. Transit Pub Date : 2019-01-30 Jonathan Peter Powell,Roberto Palacín
The first sentence of Abstract should be “The rapid increases in the quantity of data being gathered from technological systems such as railways can be used to improve their design and operation”.
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Open-Source Public Transportation Mobility Simulation Engine DTALite-S: A Discretized Space–Time Network-Based Modeling Framework for Bridging Multi-agent Simulation and Optimization Urban Rail. Transit Pub Date : 2019-01-21 Lu Tong; Yuyan Pan; Pan Shang; Jifu Guo; Kai Xian; Xuesong Zhou
Recently, an open-source light-weight dynamic traffic assignment (DTA) package, namely DTALite, has been developed to allow a rapid utilization of advanced dynamic traffic analysis capabilities. Aiming to bridge the modeling gaps between multi-agent simulation and optimization in a multimodal environment, we further design and develop DTALite-S to simplify the traffic flow dynamic representation details
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The Hell-Bound Bandwagon: Train Rooftop Riding in Lagos Metropolis, Nigeria Urban Rail. Transit Pub Date : 2019-01-17 Olorunfemi Ayodeji Olojede
Media reports on train mishaps and havocs emanating from rooftop riding abound; however, there has been very limited effort on the empirical investigation of why daredevils embark on this utter suicide mission. Besides, studies that rigorously examined profiles of the perpetrators of the dastardly act are hard to come by in the literature of railway transport. Against this background, this study examined
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Design of Passenger Aerial Ropeway for Urban Environment Urban Rail. Transit Pub Date : 2019-01-04 Alexander V. Lagerev; Igor A. Lagerev
Aerial ropeway is an effective alternative to the conventional modes of land public transport in metropolitan areas and cities. Construction of passenger aerial ropeways in urban environment is a very costly enterprise in terms of engineering and economics, and requires significant financial resources. This article is aimed at the development of the design method of the passenger aerial ropeway, ensuring
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Level of Service Analysis for Metro Station with Transit Cooperative Research Program (TCRP) Manual: A Case Study—Shohada Station in Iran Urban Rail. Transit Pub Date : 2018-12-26 Arash Azadpeyma; Ehsan Kashi
One of the main infrastructures in rail transportation is metro station. Obviously, analyzing and improving the capacity of the stations will ultimately lead to improved performance of the overall network. The capacity of metro station is the ability of the station and its associated spaces to create safety and comfort for the number of passengers expected to use the station. In this research, volume
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Transforming Abandoned Rail Corridors into Multi-purpose Trails: Applying a Spatial Hedonic Approach to Estimating the Economic Benefits of the Little Miami Scenic Trail in Cincinnati, Ohio, USA Urban Rail. Transit Pub Date : 2018-12-22 Wen Zhang; Seunghoon Oh; Rainer vom Hofe
This research assesses the appreciation in residential property values in connection with proximity to the Little Miami Scenic Trail, a multi-purpose biking, hiking, and jogging trail built along an abandoned railroad corridor near Cincinnati, Ohio, USA. Applying two spatial hedonic frameworks, the spatial lag of X (SLX) model and the spatial Durbin error model, we conclude that proximity to trail
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Research on Quantitative Demand of Underground Space Development for Urban Rail Transit Station Areas: A Case Study of Metro Line 1 in Xuzhou, China Urban Rail. Transit Pub Date : 2018-12-21 Liming Wu; Haishan Xia; Xiaowei Cao; Chun Zhang; Cheng Dai
Under the background of the rapid development of urban rail transit in China, the development demand of urban underground space has also greatly increased especially in the rail transit station areas. In this paper, taking the high-speed railway station area of Xuzhou Metro Line 1 as an example, the underground space development demand evaluation is conducted by considering the principle of urban underground
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Advanced Digital Tools for Updating Overcrowded Rail Stations: Using Eye Tracking, Virtual Reality, and Crowd Simulation to Support Design Decision-making Urban Rail. Transit Pub Date : 2018-12-19 Ming Tang; Christopher Auffrey
This paper describes an innovative integration of eye tracking (ET) with virtual reality (VR) and details the application of these combined technologies for the adaptive reuse redesign of the Wudaokou rail station in Beijing. The objective of the research is to develop a hybrid approach, combining ET and VR technologies, as part of an experimental study of how to improve wayfinding and pedestrian movement
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Urban Rail Transit Provides the Necessary Access to a Metropolitan Area: A Case Study of Portland, Oregon, USA Urban Rail. Transit Pub Date : 2018-12-17 Seunghoon Oh; Xinhao Wang
Access to good public transit for low-socioeconomic communities has been an important concern in transportation planning and urban studies research. In Portland, Oregon, USA, the rapid growth of housing prices and rents in the urban core has caused displacement of low-income residents to peripheral and suburban neighborhoods where housing is more affordable. Because public transit is generally more
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Tramways in Urban Areas: An Overview on Safety at Road Intersections Urban Rail. Transit Pub Date : 2018-12-11 Marco Guerrieri
Although the accident number involving trams is comparatively very limited to the total road accident number, the consequences of tram crashes are very serious, especially when pedestrians are run over. The new power supply technologies (e.g. catenary-free systems) allow to build tram networks, even in old town centres and pedestrian areas, with additional increased risk of pedestrian casualties. This
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Dispatching and Rescheduling Tasks and Their Interactions with Travel Demand and the Energy Domain: Models and Algorithms Urban Rail. Transit Pub Date : 2018-11-26 Marilisa Botte; Luca D’Acierno
The paper aims to provide an overview of the key factors to consider when performing reliable modelling of rail services. Given our underlying belief that to build a robust simulation environment a rail service cannot be considered an isolated system, also the connected systems, which influence and, in turn, are influenced by such services, must be properly modelled. For this purpose, an extensive
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Private Financing or Not, That is the Question: Lessons from the Light Rail Systems in Spain Urban Rail. Transit Pub Date : 2018-11-20 Francisco Calvo-Poyo; Ramón Ferri-García; Alberto Hermoso; Juan de Oña
The objective of this paper is to analyze if there is any difference between the light rail systems in Spain according to whether they have been carried out through public financing or private financing (totally or partially). The importance of this study lies in the fact that, for decades, the public–private partnership has been proposed as an alternative to public financing of public transport projects
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The CESuRa System: Allowing Changes in a Rail Track Profile While Maintaining Full Vertical Support Urban Rail. Transit Pub Date : 2018-11-09 Andy Foan; Travis Thonstad; John F. Stanton
A light rail passenger transportation system is being built in Seattle, WA, USA, that traverses Lake Washington over an existing pontoon bridge. The water level in Lake Washington changes throughout the year. This causes rotations of the transition spans, which are needed at each end of the bridge to carry traffic between the fixed, land-based structure, and the floating structure. This paper explains
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The Experiment Analysis of Bonding Performance between Near Surface Mounted CFRP Strip and Concrete at Different Curing Temperatures Urban Rail. Transit Pub Date : 2018-08-22 Zewen Zhu; Eryu Zhu; Zhuo Chen
To investigate the bonding performance of near-surface mounted (NSM) carbon fiber-reinforced polymer (CFRP) technique under different curing temperatures, a total of five test specimens strengthened with NSM CFRP strip were tested by direct pull-out methods. The strain of CFRP strip, interfacial bonding shear stress, ultimate load and failure mode were analyzed through the test. The experiment results
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Development Status and Global Competition Trends Analysis of Maglev Transportation Technology Based on Patent Data Urban Rail. Transit Pub Date : 2018-08-20 Jinsong Gou
This study investigates magnetic levitation (maglev) transportation technology’s development status and global competition trends by mining patent data related to maglev transportation technology from five perspectives. It uses information collected from the Innography patent database: the number of annually registered patents throughout maglev’s development history, the key patent-contributing countries
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Multiagent Modelling and Simulation of a Physical Internet Enabled Rail-Road Intermodal Transport System Urban Rail. Transit Pub Date : 2018-08-18 Yan Sun; Chen Zhang; Kunxiang Dong; Maoxiang Lang
Simulation-based analysis has been used for planning, control, and decision-making support of physical internet enabled logistics networks. However, multiagent modelling and simulation based on micro-level interactions have been rarely developed for the pre-studies of digital transformation of urban rail transit systems. This hinders a wider industrial deployment of agent technology in the physical
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Analyzing Congestion Propagation on Urban Rail Transit Oversaturated Conditions: A Framework Based on SIR Epidemic Model Urban Rail. Transit Pub Date : 2018-08-16 Ziling Zeng; Taixun Li
Simulating the congestion propagation of urban rail transit system is challenging, especially under oversaturated conditions. This paper presents a congestion propagation model based on SIR (susceptible, infected, recovered) epidemic model for capturing the congestion prorogation process through formalizing the propagation by a congestion susceptibility recovery process. In addition, as congestion
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Profit Model of Metro Enterprises and Quasi-Market Based Practice of Shenzhen Metro Urban Rail. Transit Pub Date : 2018-06-08 Hong Zhang; Rebekah Liao
The need to financially support metro enterprises stems from the amplified global enthusiasm for sustainable modes of transport. This paper analyzes the formulation and practice of the profit model based on quasi-marketing initiated within Shenzhen Metro in China. In contrast to previous studies based on a single theory, this paper employs an integrated approach in optimizing gains. Metro enterprises
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Open-source VRPLite Package for Vehicle Routing with Pickup and Delivery: A Path Finding Engine for Scheduled Transportation Systems Urban Rail. Transit Pub Date : 2018-06-06 Xuesong Zhou; Lu Tong; Monirehalsadat Mahmoudi; Lijuan Zhuge; Yu Yao; Yongxiang Zhang; Pan Shang; Jiangtao Liu; Tie Shi
Recently, automation, shared use, and electrification are viewed as the “three revolutions” in the future transportation sector, and the traditional scheduled public transit system will be greatly enhanced with flexible services and autonomous vehicle scheduling capabilities. Many emerging scheduled transportation applications include the fully automatic operation system in urban rail transit, joint
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