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  • 1.
    Lidestam, Björn
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Läsbarhet och synbarhet av vägmärken med reflexfolie: ett fältexperiment i mörker samt enkätstudier2018Report (Other academic)
    Abstract [en]

    Background: Road signs are crucial for informing road users and need to be bright enough to be visible and readable, but not so bright that they cause glare. The brightness levels of road signs should also be appropriate for the vast majority of road users.

    Purpose: The purpose was to evaluate readability of road signs of retroreflection classes RA2 and RA3B, with regard to factors affecting the retroreflection per se, amount of light onto the signs, and how well the driver sees. Objective measures of reading distance and visual status, and subjective measures of how different categories of drivers experience that they detect, read, and experience glare from road signs were also to be taken into account.

    Methods: A field experiment measured reading distance (and visual acuity and contrast); and questionnaire studies measured opinions and experiences from different driver categories concerning driving in darkness in general, and about properties of road signs in darkness in particular.

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  • 2.
    Lidestam, Björn
    et al.
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Åkerstedt, Zandra
    Linköpings universitet.
    Prytz, Erik
    Linköpings universitet.
    Akutvård under ambulansfärd: naturalistiska data från simulerade typsituationervid körning på testbana2018Report (Other academic)
    Abstract [en]

    A pilot project with three substudies (a literature survey, a workshop, and a field experiment at test track) is reported. The intent is to develop realistic and prototypical driving scenarios with associated patient-care tasks, for use in ambulance-simulator studies and training of ambulance personnel, in a future project. The goals were to survey the current knowledge and to collect relevant data on vehicle dynamics and behaviour during simulated emergency scenarios. Prior research has foremost studied the quality of CPR (cardiopulmonary resuscitation) during transport and shown that it is difficult to perform high-quality CPR depending on the transport procedure, vehicle type, and the design of the care space. From the workshop, care interventions were chosen for the subsequent field experiment; based on frequency and difficulty. Factors that affect the care interventions during transport were categorised as motion related, design related, road surface status, and cooperation. The field experiment at a test track showed that workload and difficulty in performing the care interventions were rated higher when the transport entailed more and faster speed changes and turns. Motion-related factors was the highest-rated category with regard to effect on care interventions.

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    FULLTEXT01
  • 3.
    Thorslund, Birgitta
    et al.
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Lindström, Anders
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Lidestam, Björn
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Stave, Christina
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Dahlman, Joakim
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Eriksson, Gabriella
    Statens väg- och transportforskningsinstitut, Förare och fordon, FOF.
    Simulatorbaserad träning för utryckningsförare: En förstudie2020Report (Other academic)
    Abstract [en]

    The purpose of the pre-study was to investigate the conditions for simulator-based training of emergency driving and to initiate user-centered development of simulators for emergency driving. With the help of a close cooperation with emergency vehicle operators and the Traffic Safety Unit, the project aims to identify the need to be able to safely train emergency driving and to investigate how training of emergency driving in driving simulators can prevent incidents and accidents.

    An existing emergency scenario developed by VTI has been used to, together with staff from various emergency actors, identify wishes and requirements for different types of use. This R&D-oriented study has been supplemented with the development of simulator methodology. All results will form the basis for the development of simulation tools for training of emergency driving.

    The risks experienced by emergency drivers are strongly linked to the interaction with other road users, but also to their own knowledge of speeds, road conditions and darkness. The results point to the need for training emergency drivers in; how to make themselves visible and to show their intentions, understanding the effects of speed choices, road condition and darkness, on-road overtaking, red light driving, and also the need for training of surrounding traffic on how to behave, preferably during driver's license training.

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    FULLTEXT01
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