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    Wyświetlanie 1-4 z 4
    Tytuł:
    Tram stop infrastructure in Poland in the aspect of safety
    Autorzy:
    Rydlewski, Mateusz
    Tubis, Agnieszka
    Skroumpelos, Georgios
    Powiązania:
    https://bibliotekanauki.pl/articles/27311786.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    tram stop
    safety of passengers
    travel comfort
    expert assessment
    przystanek tramwajowy
    bezpieczeństwo pasażerów
    komfort podróżowania
    Opis:
    Travel comfort depends on many criteria, including, to a large extent, the passenger's sense of security while waiting for the vehicle and while driving. For this reason, tram stops play an essential role in the overall assessment of the functioning of the tram system in cities. The presented results of the literature review indicate that few publications related to safety in the tram transport system concern aspects of the infrastructure of stops. The articles we distin-guished in this area also prove the lack of publications in which the researchers focus on the criteria for assessing the safety of tram stops. The paper aims to present the results of research conducted among experts, which concerned identifying criterions influencing the safety of tram stops and the selection of criteria for their evaluation. In addition, the obtained results are the basis for further analysis of safety at tram stops. The research was conducted among experts representing almost all cities in Poland with a tram service system for residents. The obtained results showed that the critical elements from the safety point of view are those related to technical aspects, i.e., length, width, and height of platforms, which are adapted to both the rolling stock and the size of passenger flows. The second significant group of criteria determining the safety of stops is equipping them with elements supporting their use by people with disabilities, i.e., placing warning fields at the edges of the platform, designating a waiting area for people with reduced mobility, or the use of guiding lanes. It is also crucial to maintain adequate separation of traffic between its various participants so that other people do not use the waiting and passenger exchange zone. The results obtained as part of the analysis will form the basis for the development of a detailed method of assessing tram stops in Poland in terms of their safety.
    Źródło:
    Archives of Transport; 2023, 65, 1; 105--118
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    How transit improvements are perceived by passengers? Results of a before-after customer satisfaction survey
    Autorzy:
    Sahraei, Mina
    Mesbah, Mohamed
    Habibian, Meeghat
    Saeidi, Tara
    Soltanpour, Amirali
    Powiązania:
    https://bibliotekanauki.pl/articles/27311783.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    improvements of transports
    passengers' satisfaction
    structural equation modelling
    importance-performance analysis
    usprawnienia transportu
    zadowolenie pasażerów
    modelowanie równań strukturalnych
    analiza ważności
    Opis:
    Although customer satisfaction surveys are widely utilized by transit agencies, there are limited analyses in the literature on the perception of passengers as a result of service improvements. A before-after study can help to evaluate the effect of changes from customer’s points of view and thus guarantee a continuous improvement in the service. In this paper, customer satisfaction was directly observed through a Customer Satisfaction Survey (CSS) before and after certain changes. Furthermore, Structural Equation Modeling (SEM) is utilized to evaluate passenger’s perception of the service attribute importance. Finally, an Importance-Performance Analysis (IPA) is adapted to analyze the changes in satisfaction and importance from the passenger’s perspective on each service attribute. In both before and after cases, a consistent SEM structure is used. The follow-up IPA provides transit agencies with priorities to improve service attributes and helps managers to devote their resources to key attributes that matter to the riders. Metro line 3 in Tehran was selected as the case study which is 33.7 km long with 25 stations. Two surveys were performed one before (with the sample size of 300), and one after (with the sample size of 384) a set of changes the most important of which was a headway reduction. The SEM was developed with five latent variables of main service, comfort, information, protection, and physical appearance. This structure was assessed on both the before and after data collections and showed to be valid. Security at the station and security on board were the most important service attributes in both waves according to their factor loadings, while ethics and behavioral messages had the smallest factor loading and the least importance. Comparing the attributes in both surveys suggested that reducing the headway was effective, although it did not seem to be sufficient for enhancing the overall customer satisfaction and improvements need to be continued.
    Źródło:
    Archives of Transport; 2023, 65, 1; 56--66
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Passenger’s routes planning in stochastic common-lines’ multi-modal transportation network through integrating Genetic Algorithm and Monte Carlo simulation
    Autorzy:
    Peng, Yong
    Mo, Zhiyao
    Liu, Song
    Powiązania:
    https://bibliotekanauki.pl/articles/1955092.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    stochastic networks
    multimodal transportation
    passengers’ route
    genetic algorithm
    Monte Carlo simulation
    sieci stochastyczne
    transport multimodalny
    algorytm genetyczny
    symulacja Monte Carlo
    Opis:
    In the urban transportation network, most passengers choose public transportation to travel. However, bad weather, accidents, traffic jams and other factors lead to uncertainty in transportation network. Besides, transport vehicles running on the same segments of routes and belonging to different modes or routes make the transportation network more complicated. In order to improve the efficiency of passenger’s travel, this paper aim to introducing an approach for optimizing passenger travel routes. This approach takes the travel cost and the number of transfers as constraints to finding the shortest total travel duration of passenger in urban transportation network. The running duration and dwell duration of the vehicles in the network are uncertain, and the vehicles are running according to the timetables. As transportation modes, bus, rail transit and walk are considered. In terms of methodological contribution, this paper combines Genetic Algorithm (GA) and Monte Carlo simulation to deal with optimization problem under stochastic conditions. This paper uses Monte Carlo simulation to simulate the running duration and dwell time of vehicles in different scenarios to deal with the uncertainty of the network. The shortest path of passenger’s travel is solved by GA. Two kinds of population management strategies including single population management strategy and multiple population management strategy are designed to guide the solution population evolving process. The two kinds of population management strategies of GA are tested in numerical example. The satisfactory convergence performance and efficiency of the model and algorithm is verified by the numerical example. The numerical example also demonstrated that the multiple population management strategy of GA can get better results in a shorter CPU time. At the same time, the influences of some significant variables on solution are performed. This paper is able to provide a scientific quantitative support to the path scheme selection under the influence of common-lines and timetables of different modes of transportation in stochastic urban multimodal transportation network.
    Źródło:
    Archives of Transport; 2021, 59, 3; 73-92
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Airline choice model for an international round-trip flight considering outbound and return flight schedules
    Autorzy:
    Munoz, Claudia
    Laniado, Henry
    Córdoba, Jorge
    Powiązania:
    https://bibliotekanauki.pl/articles/949851.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    round-trip
    return flight
    flight schedule interaction
    international fligh
    passengers' behaviour
    podróż w obie strony
    lot powrotny
    rozkład lotów
    loty międzynarodowe
    zachowanie pasażerów
    Opis:
    This paper quantified the impact of outbound and return flight schedule preferences on airline choice for international trips. Several studies have used airline choice data to identify preferences and trade-offs of different air carrier service attributes, such as travel time, fare and flight schedule. However, estimation of the effect return flight schedules have on airline choice for an international round-trip flight has not yet been studied in detail. Therefore, this study introduces attributes related to return flight characteristics and round-trip flight schedule interaction into the airline choice models, which have not previously been reported in the literature. We developed a stated preference survey that includes round-trip fares based on flight schedule combinations and the number of days prior to departure fares was purchased. We applied modelling techniques using a set of stated preference data. A mixed logit model was tested for the presence of heterogeneity in passengers' preferences. Our results indicated that models with attributes related to return flight and its interaction with outbound flight attributes have a superior fit compared with models only based on attributes reported in the literature review. The model found shows that airfare, travel time, arrival preference schedule in the outward journey, departure preference in the return journey and the schedule combination of round-trip flight are significantly affecting passenger choice behaviour in international round-trip flights. Sensitivity analysis of airline service characteristics and their marketing implications are conducted. The analysis reports seven policies with the greatest impact on each airline choice probabilities. It shows that by reducing travel time and airfare and by adopting an afternoon and night schedule preference for outbound and return flight, respectively, the highest probability on airline choice would be reached. This research contributes to the current literature by enhancing the understanding of how passengers choose airlines, considering both outbound and inbound journey characteristics. Thus, this study provides an analytical tool designed to provide a better understanding of international round-trip flight demand determinants and support carrier decisions.
    Źródło:
    Archives of Transport; 2020, 54, 2; 75-93
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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