Schaffner, Dorothea
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Dorothea
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Schaffner, Dorothea
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Publikation Assessing the effectiveness of an online cycling training for adults to master complex traffic situations(Elsevier, 03/2025) van Eggermond, Michael; Schaffner, Dorothea; Studer, Nora; Knecht, Leah; Johnson, LucyAcknowledging the significance of both subjective and objective safety in promoting cycling, there is a need for effective measures aimed at improving cycling skills among a broader population. Hence, the aim of the current study is to evaluate and investigate the impact of online cycling training targeted at adults. An online cycling training consisting of three modules was developed to train safe behaviour in seven prototypical safety-relevant situations. 10,000 individuals were invited to participate, with 700 individuals completing the training. The effectiveness of the training was evaluated using a mixed-methods approach combining self-report measures with behavioural measures. Self-report measures were collected using four items of the Cycling Skills Inventory and knowledge-based questions. On a behavioural level, effectiveness was investigated using a virtual reality cycling simulator. Participants’ self-reported cycling skills were evaluated before and after participation in the online training. Three out of four self-reported skills (i.e. predicting traffic situations, showing consideration, knowing how to act) improved on average, across participants. Moreover, participants who cycle less frequently benefited more from the training as they indicated their ability to recognise hazards, to predict traffic situations and to know how to appropriately after completion of the online training. Finally, all participants indicated that they felt more comfortable while cycling after completing the training. In the training evaluation, it was found that the treatment group navigated through traffic more safely on a behavioural level, and/or possessed the required knowledge-based skills in three out of five evaluated situations. These promising findings indicate that online cycling training is one potential avenue to develop cycling skills within a target audience of adult cyclists: not only on a knowledge level, but also on a behavioural level. Notwithstanding limitations, we conclude that an online cycling training can contribute to safer cycling and the promotion of cycling in general.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Speed Pedelecs: Regelungen und Daten aus der Schweiz und Europa(19.09.2024) Schaffner, Dorothea; van Eggermond, Michael06 - PräsentationPublikation Quantifying the effect of street design on driving speed on urban roads(Transportation Research Board, 01.01.2024) van Eggermond, Michael; Schaffner, Dorothea; Studer, Nora; Erath, AlexanderReducing driving speed is a key factor in improving road safety and combating noise emissions. For this reason, more and more cities across the world reduce speed limits urban in roads to 30 km/h (20 mph). According measures are implemented in major urban areas in Europe (e.g. Paris, Brussels) and the U.S. (e.g. New York City, Seattle). For the implementation of speed reductions main roads are of particular interest. Main roads in urban areas are different from residential roads in several ways, including, but not limited to the type of trips, vehicular mix and the presence of public transport, and are therefore limited in design options to reduce speeds. The study at hand reports on a virtual reality study conducted in Switzerland using a driving simulator. To assess whether road design influences driving speed, participants were asked to drive through a series of main roads in VR with varying speed limits and street designs. Speed and lateral position were recorded; in a follow-up survey, participants stated their preferred speed along the same segments and were asked about risk aversion. Results indicate that only certain designs result in slightly lower driving speeds, while controlling for self-reported risk aversion and driving style. Given the characteristics of main roads, measures reducing the (perceived) lane width are promising, but require further investigation.04B - Beitrag KonferenzschriftPublikation Sichere und effiziente S-Pedelec-Infrastruktur S-ESPIN(Bundesministerium für Digitales und Verkehr (BMDV), 2024) Stemmler, Thomas; Schoch, Stefanie; Hornung-Prähauser, Veronika; Hollauf, Eva; Claudia Luger-Bazinger; Schaffner, Dorothea; Haiderer, Nicole; Gantenbein, Somara; van Eggermond, MichaelIm Zuge des deutlichen Trends zur Elektrifizierung des Velomarktes steigen auch die Verkaufszahlen von S-Pedelecs deutlich an. S-Pedelecs fahren mit bis zu 45 km/h schneller als gewöhnliche E-Bikes (Motorenunterstützung bis 25 km/h). Das macht sie besonders geeignet für längere Strecken, die normalerweise mit motorisierten Fahrzeugen zurückgelegt werden. Die sichere und von allen Verkehrsteilnehmenden akzeptierte Integration von S-Pedelecs in die bestehende Infrastruktur stellt eine Herausforderung dar, der verschiedene Länder unterschiedlich begegnen. Dieses Projekt verfolgt einen nutzendenzentrierten Ansatz, um das Akzeptanzniveau der verschiedenen Vorschriften zur Integration von S-Pedelecs in das Mobilitätssystem aus der Perspektive von S-Pedelec-Fahrenden sowie anderen Verkehrsteilnehmenden besser zu verstehen.05 - Forschungs- oder ArbeitsberichtPublikation Evaluation and acceptance of an online cycling training for adults to master complex traffic situations(16.11.2023) van Eggermond, Michael; Studer, Nora; Johnson, Lucy; Knecht, Leah; Schaffner, Dorothea06 - PräsentationPublikation Mobilität On-Demand aus Sicht der Konsument*innen(12.09.2023) Schaffner, Dorothea; Stefanelli, Annalisa; Gantenbein, Somara06 - PräsentationPublikation Auf dem Land mit On-Demand. Innovative Mobilitätsangebote in peripheren Gebieten(12.09.2023) Stefanelli, Annalisa; Schaffner, Dorothea06 - PräsentationPublikation Auf dem Land mit on-Demand. Erfolgsfaktoren eines innovativen Mobilitätsangebotes(01.06.2023) Stefanelli, Annalisa; Gantenbein, Somara; Schaffner, Dorothea06 - PräsentationPublikation Quantifying the effect of street design on driving speed on urban roads(11.05.2023) van Eggermond, Michael; Schaffner, Dorothea; Studer, Nora; Erath, AlexanderReducing driving speed is a key factor in improving road safety and combatting noise emissions. Over the last decades, many European cities and countries have reduced the speed limits of residential and neighborhood roads from 50 km/h (30 mph) to 30 km/h (20 mph) or even 20 km/h (12 mph). At the same time, there is a discussion the reduction of the speed limit on main roads in urban areas in several countries. Main roads in urban areas are different from residential roads in several ways, including, but not limited to type of trips, type of vehicles and the presence of public transport, and are therefore limited in design options to reduce speeds. The study at hand reports on a virtual reality study conducted in Switzerland using a driving simulator. To assess whether road design influences driving speed, participants were asked to drive through a series of streets in VR with varying speed limits and street designs. Speed and lateral position were recorded; in a follow-up survey, participants stated their preferred speed along the same segments and were asked about risk aversion. Results indicate that only certain designs result in slightly lower driving speeds, while controlling for self-reported risk aversion and driving style. Given the characteristics of main roads, measures reducing the (perceived) lane width are promising, but require further investigation.06 - PräsentationPublikation Quantifying the effect of street design on driving speed on urban roads(05/2023) van Eggermond, Michael; Schaffner, Dorothea; Studer, Nora; Erath, AlexanderReducing driving speed is a key factor in improving road safety and combatting noise emissions. Over the last decades, many European cities and countries have reduced the speed limits of residential and neighborhood roads from 50 km/h (30 mph) to 30 km/h (20 mph) or even 20 km/h (12 mph). At the same time, there is a discussion to reduce speed limits on main roads in urban areas in several countries. Main roads in urban areas are different from residential roads in several ways, including, but not limited to the type of trips, vehicular mix and the presence of public transport, and are therefore limited in design options to reduce speeds. The study at hand reports on a virtual reality study conducted in Switzerland using a driving simulator. To assess whether road design influences driving speed, participants were asked to drive through a series of streets in VR with varying speed limits and street designs. Speed and lateral position were recorded; in a follow-up survey, participants stated their preferred speed along the same segments and were asked about risk aversion. Results indicate that only certain designs result in slightly lower driving speeds, while controlling for self-reported risk aversion and driving style. Given the characteristics of main roads, measures reducing the (perceived) lane width are promising, but require further investigation.04B - Beitrag Konferenzschrift