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Cats, O. (author), Reimal, T. (author), Susilo, Y. (author)Cities worldwide are looking for new policies to attract travelers to shift from cars to public transport. Policies focused on reducing public transport fares are aimed at improving social inclusion and leading to a modal shift. The City of Tallinn, the capital of Estonia, has recently introduced a fare-free public transport (FFPT) service in an...journal article 2014
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Hlotova, Y. (author), Cats, O. (author), Meijer, S.A. (author)Stress is an immense problem in modern society; approximately half of all occupational illnesses are directly or indirectly related to stress. The work of a bus driver is typically associated with high stress levels that negatively influence individual well-being as well as workforce management. The current study examined the impact of newly...journal article 2014
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Cats, O. (author)Traditionally, transport systems have been designed to perform well under normal conditions assuming that everything works as planned. As anyone that uses public transport can testify, deviations from planning are a recurrent phenomenon. Investments in public transport are therefore increasingly motivated by the need to improve their reliability...journal article 2015
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Narayan S., Jishnu (author), Cats, O. (author), van Oort, N. (author), Hoogendoorn, S.P. (author)The emergence of on-demand transport services is set to change the mobility landscape in urban areas. This study investigates the potential scalability of an on-demand mobility system to substitute motorised trips performed by private cars and public transport in Amsterdam, The Netherlands. We adopt an agent-based simulation framework and...journal article 2021
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Gkiotsalitis, Konstantinos (author), Cats, O. (author), Liu, T. (author)We perform a systematic review of real-time control strategies for transfer synchronisations in public transport. In particular, we review inter-station and intra-station control measures that can be applied in near real-time, including vehicle holding, stop-skipping, speed control, short-turning, rescheduling, interlining, rerouting, and...journal article 2022
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de Ruijter, A.J.F. (author), Cats, O. (author), Kucharski, R.M. (author), van Lint, J.W.C. (author)Contrary to traditional transit services, supply in ridesourcing systems emerges from individual labour decisions of gig workers. The effect of decentralisation in supply on the evolution of on-demand transit services is largely unknown. To this end, we propose a dynamic model comprising of the subsequent supply-side processes: (i) initial...journal article 2022
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Gadepalli, Ravi (author), Gumireddy, Sushmitha (author), Bhamidipati, Srirama (author), Cats, O. (author)Many cities have introduced metro rail systems over the past two decades, particularly in developing countries. However, there is lack of knowledge on the impacts of new lines on the service and ridership for the related urban bus lines, and in particular those directly affected by the opening of the new service(s). We undertake a...journal article 2022
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Cats, O. (author), Ferranti, Francesco (author)Urban and regional areas worldwide exhibit a complex and uneven distribution of activities with certain areas attracting more people during different time periods. In this study we systemically classify different parts of the urban area which are most attractive as measured by their ability to attract visitors. A weekly visiting profile is...journal article 2022
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Cats, O. (author), Birch, Nigel (author)The development of public transport networks in polycentric regions involves making complex trade-offs between extending network coverage, densifying local connections, offering improved connections between urban centers and increasing capacity on existing links. Moreover, different modalities might be suitable for each of these development...journal article 2021
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Kucharski, R.M. (author), Cats, O. (author), Sienkiewicz, Julian (author)Urban mobility needs alternative sustainable travel modes to keep our pandemic cities in motion. Ride-pooling, where a single vehicle is shared by more than one traveller, is not only appealing for mobility platforms and their travellers, but also for promoting the sustainability of urban mobility systems. Yet, the potential of ride-pooling...journal article 2021
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Cats, O. (author), Pudane, B. (author), van der Poel, Johanan (author), Kroesen, M. (author)Academics are often environmentally-minded, and they often travel internationally to share their research. Are they prone to attitude-behaviour gap? We collected data from 104 academics in Europe regarding attitudes towards online conferences, flight shame and carbon offsetting, and analysed their trip-making and mode choices in hypothetical...journal article 2022
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Yap, M.D. (author), Cats, O. (author)Many public transport networks worldwide experience high crowding levels. Overcrowding can result in passengers not able to board the first arriving vehicle. We infer how waiting time induced by being denied boarding in crowded public transport systems is valued by passengers, based on observed passenger route choice behaviour. For this purpose,...journal article 2021
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Morriea-Matias, Luis (author), Cats, O. (author)The rapid increase in automated data collection in the public transport industry facilitates the adjustment of operational planning and real-time operations based on the prevailing traffic and demand conditions. In contrast to automated passenger counts systems, automated vehicle location (AVL) data are often available for the entire public...journal article 2016
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Cats, O. (author), Koppenol, Gert Jaap (author), Warnier, Martijn (author)Network robustness refers to as the capacity to absorb disturbances with a minimal impact on system performance. Notwithstanding, network robustness assessment has been mostly confined to the analysis of complete link breakdown based on topological metrics. We propose reliability indicators that encompass changes in network performance with...journal article 2017
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Narayan S., Jishnu (author), Cats, O. (author), Hoogendoorn, S.P. (author)Binnen het concept van Mobility-as-a-Service nemen de ‘vervoersdiensten op aanvraag’, vervoer wanneer en hoe we het willen, een belangrijke plek in. Wat is het potentieel van deze diensten? En als ze eenmaal geïmplementeerd zijn, wat betekent dat dan voor de prestatie van het vervoerssysteem als geheel? PhD’er Jishnu Naraya van TU Delft deed...journal article 2018
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Gkiotsalitis, Konstantinos (author), Cats, O. (author)Public transport is one of the most disrupted sectors of the COVID-19 pandemic with reported ridership drops up to 90% in majorly affected countries. As many government authorities strive to partially resume activities, public transport operators are in an urgent need for models that can evaluate the impact of different social distancing...journal article 2021
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Zhao, Jing (author), Sun, Sicheng (author), Cats, O. (author)This study aims to jointly optimise regular and demand responsive transit (DRT) services, which can offer opportunities for leveraging on their respective advantages. An optimisation model with the objective of minimising the total travel time of passengers and the total fleet size is proposed. The terminal bus stops of regular bus lines, the...journal article 2021
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Wang, Z. (author), Huang, Ketong (author), Massobrio, R.M. (author), Bombelli, A. (author), Cats, O. (author)Network hierarchy describes the relative arrangement of network elements and reflects its fundamental structure. We propose a multi-dimensional topology-based method for quantifying and comparing the extent to which different Public Transport Networks (PTNs) exhibit a hierarchical structure. The proposed method considers the uneven distribution...journal article 2023
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Gkiotsalitis, Konstantinos (author), Eikenbroek, Oskar A.L. (author), Cats, O. (author)Travel time and demand disturbances lead to unreliable bus operations and missed passenger transfers. This study formulates the multi-line synchronization problem as a robust min(i)max problem that considers the fluctuations of the travel and dwell times of bus trips. Given the infeasibility of the multi-line synchronization problem in...journal article 2020
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Gkiotsalitis, K. (author), Cats, O. (author)In this literature review, we systematically review studies on public transit control with a specific focus on at-stop measures. In our synthesis of the relevant literature, we consider three perspectives: (1) the mathematical models of the proposed methodologies; (2) their complexity; (3) their applicability in real-time operations and their...journal article 2021