Blar i TØI Vitenarkiv på forfatter "Fyhri, Aslak"
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Gender differences in accident risk with e-bikes—Survey data from Norway
Fyhri, Aslak; Johansson, Ole; Bjørnskau, Torkel (Peer reviewed; Journal article, 2019-08-13)E-bikes are becoming increasingly popular, and are given an important role in the green mobility of the future. However, some have raised concerns that the increased speed and the increased weight of the e-bike can lead ... -
The impact of weather conditions on everyday cycling with different bike types in parents of young children participating in the CARTOBIKE randomized controlled trial
Bjørnarå, Helga Birgit; Berntsen, Sveinung; te Velde, Saskia J.; Fyhri, Aslak; Isaksen, Ketil; Deforche, Benedicte; Andersen, Lars Bo; Stenling, Andreas; Bere, Elling Tufte (Peer reviewed; Journal article, 2021-12-04)Knowledge about how weather conditions affect travel behavior in different user groups and contexts is relevant for planners and policymakers to facilitate sustainable transportation systems. We aimed to assess the influence ... -
Interact or counteract? Behavioural observation of interactions between vulnerable road users and autonomous shuttles in Oslo, Norway
De Ceunynck, Tim; Pelssers, Brecht; Bjørnskau, Torkel; Aasvik, Ole; Fyhri, Aslak; Laureshyn, Aliaksei; Johnsson, Carl; Hagenzieker, Marjan Paula; Martensen, Heike (Journal article; Peer reviewed, 2022-08-03)The current paper presents the results of behavioural observations in a field experiment with automated shuttles in Oslo, Norway. Video observations were conducted at five fixed locations along a challenging 1.2 km automated ... -
Is Red the New Black? A Quasi-Experimental Study Comparing Perceptions of Differently Coloured Cycle Lanes
Karlsen, Katrine; Fyhri, Aslak (Peer reviewed; Journal article, 2020-12-04)Cities and road authorities in many countries have started colouring their cycle lanes. Some road authorities choose red, some blue, and some green. The reasoning behind this choice is not clear, and it is uncertain whether ... -
“Maybe I Will Just Send a Quick Text…” – An Examination of Drivers’ Distractions, Causes, and Potential Interventions
Johansson, Ole Jørgen; Fyhri, Aslak (Journal article; Peer reviewed, 2017-11-17)Many people use cars all over the world. This is, however, not done without risk, as traffic accidents are one of the most common causes of death for adolescents worldwide. The number of deaths has steadily decreased, both ... -
Nattstøy og søvnforstyrrelser. Utredning av indikator og grunnlag for nasjonalt mål for reduksjon av søvnforstyrrelser på grunn av støy
Aasvang, Gunn Marit; Liasjø, Kåre; Simonsen, Runar Golimo; Malik, Ratab Ul-Lissan; Axelsson, Helena Gabriella; Valdem, Øystein; Klausen, Svein; Fyhri, Aslak (rapport Nasjonalt folkehelseinstitutt;, Research report, 2013) -
Paint It Red - A Multimethod Study of the Nudging Effect of Coloured Cycle Lanes
Fyhri, Aslak; Karlsen, Katrine; Sundfør, Hanne Beate (Peer reviewed; Journal article, 2021-06-02)Many countries colour their cycle lanes, but there is still a lack of research into the impact of this policy. Rather than constraining or regulating movement, coloured asphalt conveys information, and can serve as a good ... -
Risk compensation theory and bicycle helmets – Results from an experiment of cycling speed and short-term effects of habituation
Fyhri, Aslak; Sundfør, Hanne Beate; Weber, Christian; Phillips, Ross Owen (Peer reviewed; Journal article, 2018-06-30)It has been suggested that the safety benefits of bicycle helmets are limited by risk compensation. The current study contributes to explaining whether the potential safety effects of bicycle helmets are reduced by cyclists’ ... -
Safety in numbers for cyclists – conclusions from a multidisciplinary study of seasonal change in interplay and conflicts
Fyhri, Aslak; Bjørnskau, Torkel; Sundfør, Hanne Beate; Laureshyn, Aliaksei (Journal article; Peer reviewed, 2016-05-28)In many European countries, it is a political goal that future growth in local travel should be absorbed by sustainable transport modes. Concerns that increased walking and cycling produce more accidents have been countered ... -
Shared road is double happiness: Evaluation of a “Share the road” sign
Høye, Alena; Fyhri, Aslak; Bjørnskau, Torkel (Journal article; Peer reviewed, 2016-01-02)A road sign with the text «Share the road» and a picture of a smiling cyclist and a passing car was evaluated in a before–after study with surveys among cyclists and car drivers. The sign was set up at two sites on a test ... -
Soundscape and perceived suitability for recreation in an urban designated quiet zone
Evensen, Katinka Horgen; Raanaas, Ruth Kjærsti; Fyhri, Aslak (Journal article; Peer reviewed, 2016-09-16)Green urban parks can offer city dwellers a place to withdraw from traffic noise. However, the significance of the sonic environment for suitability for recreational activities and how to measure this in an appropriate ... -
Testing the effect of hedge height on perceived safety-a landscape design intervention
Evensen, Katinka Horgen; Nordh, Helena; Hassan, Ramzi; Fyhri, Aslak (Journal article; Peer reviewed, 2021-04-30)Access to safe, green urban environments is important for quality of life in cities. The objective of this study is to explore the impact of a safety-enhancing landscape design measure on visitors’ experiences in an urban ... -
Under-reporting bicycle accidents to police in the COST TU1101 international survey: Cross-country comparisons and associated factors
Shinar, D.; Valero-Mora, P.; van Strijp-Houtenbos, M.; Haworth, N.; Schramm, A.; De Bruyne, G.; Cavallo, V.; Chliaoutakis, Johannes; Dias, J.; Ferraro, O.E.; Fyhri, Aslak; Hursa Sajatovic, A.; Kuklane, K.; Ledesma, R.; Mascarell, O.; Morandi, A.; Muser, M.; Otte, Dietmar; Papadakaki, Maria; Sanmartin, J.; Dulf, D.; Saplioglu, M.; Tzamalouka, Georgia (Peer reviewed; Journal article, 2017-10-26)Police crash reports are often the main source for official data in many countries. However, with the exception of fatal crashes, crashes are often underreported in a biased manner. Consequently, the countermeasures adopted ... -
Using Behavioral Insights to Incentivize Cycling: Results from a Field Experiment
Ciccone, Alice; Fyhri, Aslak; Sundfør, Hanne Beate (Journal article; Peer reviewed, 2021-07-01)Motivating active transport is a health and environmental policy priority, and plays an important role in achieving the necessary shift toward a sustainable transport system. Financial incentives to promote cycling are ...