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Quantifying the effect of street design on driving speed on urban roads
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Author (Corporation)
Publication date
01.01.2024
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Type
05 - Research report or working paper
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Publisher / Publishing institution
Annual Meeting of the Transportation Research Board
Place of publication / Event location
Washington D.C.
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Abstract
Reducing 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.
Keywords
Urban roads, Driving speed, Road design
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Language
English
Created during FHNW affiliation
Yes
Strategic action fields FHNW
Publication status
Published
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Peer review of the complete publication
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Citation
van Eggermond, M., Schaffner, D., Studer, N., & Erath, A. (2024). Quantifying the effect of street design on driving speed on urban roads. Annual Meeting of the Transportation Research Board. https://doi.org/10.26041/fhnw-8589