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Two models of accessibility to railway traveling for vulnerable, elderly persons
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology. Karolinska Institutet, Sweden.
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Number of Authors: 5
2015 (English)In: Measurement, ISSN 0263-2241, E-ISSN 1873-412X, Vol. 72, 96-101 p.Article in journal (Refereed) Published
Abstract [en]

Public transport mobility is restricted for the vulnerable travelers, e.g., those with functional limitations. By removing barriers, a more flexible and independent travel behavior is accomplished. For whole-trip traveling, we model accessibility as a three-way reciprocal relationship among travelers' functional ability, barriers met and resulting travel behaviors. For every journey and destination, an accessibility measure is constructed from all barriers' weights and the probabilities of encountering each of them in traveling to specific destinations. The accessibility to whole-trip traveling is then modeled by travelers' individual weightings of sets of barriers and the probabilities of encountering them. By using specific reference values, as in master scaling, we estimate the measurement error for each participant's perceived effort to overcome a certain barrier, and thus obtain a calibrated measure of accessibility. We conclude that customized abatement procedures must accomplish better accessibility for all, especially for the vulnerable travelers.

Place, publisher, year, edition, pages
2015. Vol. 72, 96-101 p.
Keyword [en]
Accessibility, Functional ability, Barrier, Travel behavior, The elderly
National Category
Psychology Transport Systems and Logistics
Research subject
URN: urn:nbn:se:su:diva-119119DOI: 10.1016/j.measurement.2015.02.053ISI: 000356233200012OAI: diva2:843828
Available from: 2015-07-31 Created: 2015-07-29 Last updated: 2016-02-02Bibliographically approved
In thesis
1. Overall Accessibility of Public Transport for Older Adults
Open this publication in new window or tab >>Overall Accessibility of Public Transport for Older Adults
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis is based on four studies that explore accessibility for older adults during whole trips by public transport. The overall goal was to gain knowledge of the interrelationships among key variables and to develop a conceptual model of the overall accessibility of public transport. More specifically, the research goals were: (a) to explore links among the key variables postulated to be involved in overall accessibility and to explore the links between these variables and railway accessibility; (b) to gain a deeper understanding of links between critical incidents in traveling and travel behavior decisions; and (c) to develop a conceptual model of overall accessibility. The key variables contributing to overall accessibility are functional ability (depending partly on the person’s functional limitation or disease), travel behavior, and barriers encountered during whole-trip traveling involving train. Respondents with more than one functional limitation or disease reported lower functional ability than did those with only one such limitation and respondents with low functional ability were less frequent travelers than were those with high functional ability. Frequent travelers reported railway accessibility to be better than did those who traveled less frequently. The main barriers were ticket cost and poor punctuality, but respondents with the lowest functional ability attributed the barriers encountered to their own health. The critical incidents most frequently reported were found in the categories “physical environment onboard vehicles” and “physical environment at stations or stops”, as well as in the “pricing and planning during ticketing” phase of the trip. Five themes of reactions to critical incidents were identified that had resulted in behavior change: firm restrictions, unpredictability, unfair treatment, complicated trips, and earlier adverse experiences. A conceptual model of overall accessibility was developed, grounded in the empirical research results. This model is summarized in the following propositions: Overall accessibility is a reciprocal relationship among the barriers/facilitators encountered, functional ability, and travel behavior. Accessibility emerges in the person–environment interaction. To understand accessibility, past experiences and future expectations should both be considered, because both will guide travel decisions.

Place, publisher, year, edition, pages
Stockholm: Department of Psychology, Stockholm University, 2016
older persons, critical incidents, critical reactions, travel behavior, accessibility, functional limitation, functional ability, barrier, facilitator, public transport, railway travel
National Category
Research subject
urn:nbn:se:su:diva-126301 (URN)978-91-7649-327-4 (ISBN)
Public defence
2016-03-11, David Magnussonsalen (U31), Frescati Hagväg 8, Stockholm, 10:00 (English)
Measurements enable future train travelling for everybody
Swedish Transport Administration, F09-11460/AL50Swedish Research Council Formas
Available from: 2016-02-17 Created: 2016-01-29 Last updated: 2016-02-09Bibliographically approved

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Sundling, CatherineNilsson, Mats E.Berglund, Birgitta
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