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- Ledén, Lars, et al.
(författare)
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Metodik för före-/efterstudier : tillämpat på cyklisters trafiksäkerhet
- 1997
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- I denna studie utvecklas och tillämpas metodiken för före/efter studier för att skatta effekten på cyklisters säkerhet av att höja upp cykelöverfarter 3-12 cm över körbanenivån. Fem ombyggda korsningar av varierande utförande studerades. Motriktad cykeltrafik mot tillåten riktning var inte särskilt vanligt. Cykelflödet mättes före och efter, vilket visar att de nybyggda cykellederna attraherade 50 procent mer cyklister. Skattning av riskförändringen gjordes med tre metoder, enligt enkäter med cyklister och experter samt enligt en kvantitativ expertmodell. De tre metoderna gav smastämmiga resultat, säkerheten för cyklisterna hade förbättrats med 30 - 50 procent.
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- Füssl, Elisabeth, et al.
(författare)
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Methodological development of a specific tool for assessing acceptability of assistive systems of powered two-wheeler-riders
- 2015
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Ingår i: IET Intelligent Transport Systems. - : Institution of Engineering and Technology (IET). - 1751-956X .- 1751-9578. ; 9:1, s. 12-21
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Tidskriftsartikel (refereegranskat)abstract
- Research on the acceptability of assistive systems for improving the safety of powered two-wheelers (PTWs) is a pressing issue. The use of safety-enhancing assistive systems for motorised vehicles, including advanced driver assistance systems and in-vehicle information systems is widespread in many countries. Yet, there is only a limited number of equivalent intelligent transport systems (ITS) for PTWs, namely advanced rider assistance systems and on-bike information systems. This study describes the methodological development of a specific tool for assessing motorcyclists’ acceptability of ITS, as part of the motorcyclists’ profiling questionnaire (MOPROQ). There were three stages of development. First, a literature review was undertaken to assess the current state of the art regarding ITS for PTWs and to determine the most relevant facets of acceptability that should be measured. Second, a series of focus group interviews were conducted to explore riders’ attitudes towards ITS. Finally, the focus group results were used to develop a large-scale survey (MOPROQ), which was administered to an initial sample of over 6000 riders internationally. The designed tool can be used as a basis for the determination of rider acceptability of ITS systems in the future.
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- Leden, Lars
(författare)
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Bicycle Collision Avoidance Systems : Can Cyclist Safety be Improved with Intelligent Transport Systems?
- 2021
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Ingår i: International Encyclopedia Of Transportation. - : Elsevier. ; , s. 108-114
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Bokkapitel (refereegranskat)abstract
- The five top issues for describing cyclists’ safety situation are outlined and discussed. ITS issues for environmental adaptation are highlighted. Measures for improving confidence and security, guidance, and getting contact with and/or being localized are suggested.The following five systems, which were estimated to have high potential to improve the safety of cyclists, are described and evaluated: Blind Spot Detection (BSD), Bicycle to Vehicle communication (B2V), Intersection safety (INS), Pedestrian and Cyclist Detection System + Emergency Braking (PCDS + EBR), and Vulnerable Road User Beacon System (VBS). A forecast for 2030, taking into accounts the estimated accident trends and penetration rates, showed the highest effects from implementation of PCDS + EBR and BSD.
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- Monterde-i-Bort, Hector, et al.
(författare)
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Have information technologies forgotten pedestrians? To what extent can it/its improve Pedestrian’s mobility and safety
- 2018
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Ingår i: Data Analytics: Paving the Way to Sustainable Urban Mobility. - Cham : Springer. ; , s. 3-10
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Konferensbidrag (refereegranskat)abstract
- Worldwide, pedestrians make up close to half of all motor-vehicle related fatalities but disproportionally little of the research in Information Technologies (IT) in general and Intelligent Transportation Systems (ITS) in particular has aimed at pedestrian safety improvements. This paper analyses and compiles three different ways so that IT and ITS can be used in order to improve mobility and safety of pedestrians in urban spaces: (a) for contacting and/or being localized, (b) for guidance (leading/navigating), (c) for alerting or informing of a danger.The aim is to categorize recent experiences where ITS can improve pedestrians’ mobility and safety so that new ideas based on ITS will be developed. These new ideas will better meet pedestrians’ functional quality needs today as well as in the future in a society with an aging population and aging infrastructure. This is very important for a society where people will not accept high fatality risks. The most important developments are described with links to websites in which one can gather more information.Target groups of this paper are professionals working in the field of traffic planning; practitioners, planners and researchers.
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- Scholliers, Johan, et al.
(författare)
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Impact Assessment of Its Applications for Vulnerable Road Users
- 2016
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Ingår i: Transportation Research Procedia. - : Elsevier BV. - 2352-1465. ; 14, s. 4515-4524
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Tidskriftsartikel (refereegranskat)abstract
- The EU-sponsored VRUITS project has prioritized ITS applications which have a potential to improve the safety, mobility and comfort of vulnerable road users (VRUs) and performed a quantitative safety, mobility and comfort assessment for the 10 most promising systems. The assessment methodology addresses not only the direct effects of the systems, but also unintended effects and effects through changes in mobility patterns. The 10 selected ITS were: VRU beacon system, Powered Two Wheelers oncoming Vehicle information, Bicycle-to-vehicle communication, Cooperative Intersection safety, Green wave for cyclists, Pedestrian & Cyclist detection with Emergency Braking, Blind spot detection, Intelligent pedestrian traffic signal, Crossing adaptive lighting and Information on bike rack vacancy. The paper presents the quantitative estimates for the impact on safety, mobility and comfort. The outputs of the impact assessment are translated into socioeconomic indicators via a social cost-benefit analysis.
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