 A matter of space and perspective – Cyclists’, car drivers’, and pedestrians’ assumptions about subjective safety in shared traffic situationsRul von Stülpnagel and Heiko Rintelen Transportation Research Part A: Policy and Practice, 2024, vol. 179, issue C Abstract: Subjective safety has been considered a key factor for a successful promotion of cycling. As of yet, subjective safety and the factors affecting it have been studied almost exclusively from the cyclists’ perspective. However, subjective safety is largely determined by the interaction of cyclists with other road users. We thus argue that it is crucial to assess the subjective safety different road user groups associate with shared road situations, because street designs that increase the subjective safety of one group may have negative impacts on the subjective safety of another group. For this purpose, we conducted a large-scale, web-based survey presenting computer-generated 2D images showing various traffic situations. The entire pool of images included 1,900 variations and combinations of road designs. About 21,500 individual participants provided about 460,000 estimates with regard to the safety they associated with travelling at the shown location from the perspective of cyclists, car drivers, or pedestrians. Our analysis with generalized mixed models focused on three base scenarios and the comparison of the different perspectives: Side streets were perceived as unsafe by both cyclists and car drivers. A prominent designation as a cycling boulevard had highly positive effects, especially for cyclists. On main streets, cyclists and car drivers rated mixed traffic without cycling infrastructure as very unsafe, and situations with cyclists travelling on protected bike lanes as very safe. Whereas car drivers rated all types of cycling lanes as safe, this did not generally apply to cyclists. In particular, narrow cycling lanes adjacent to parked cars felt unsafe for cyclists. We hypothesize that this discrepancy has a self-reinforcing mechanism: Research on risk-taking suggests that the low risk perception of car drivers leads to more risky behavior (e.g. overtaking cyclists with higher speed and less lateral clearance), which in turn decreases the subjective safety of cyclists. We found an inverted pattern for sidewalks, where cyclists felt mostly safe, and the more vulnerable pedestrians did not (especially if there was no clear indication of lanes for both groups). Taken together, our research sheds light on an as-of-yet rather under-researched issue: the perception of a traffic situation may vary significantly depending on the perspective and transportation mode of a road user. More specifically, our findings suggest that the subjective safety of vulnerable road users in a traffic situation can be negatively affected by the perception of this situation by the less vulnerable road users. We present recommendations about road designs that feel safe for all road user groups. Keywords: Subjective safety; Risk perception; Vulnerable road users; Urban cycling (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:transa:v:179:y:2024:i:c:s0965856423003610 Ordering information: This journal article can be ordered from DOI: 10.1016/j.tra.2023.103941 Access Statistics for this article Transportation Research Part A: Policy and Practice is currently edited by John (J.M.) Rose More articles in Transportation Research Part A: Policy and Practice from Elsevier |
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