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  • 1.
    Abadir Guirgis, Georg
    et al.
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Peters, Björn
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Lidström, Mats
    Statens väg- och transportforskningsinstitut, Fordonsteknik och simulering, FTS.
    Lokförarutbildning i Sverige: simulatoranvändning och ERTMS2014Report (Other academic)
    Abstract [en]

    This report, which provides an overview of the compulsory basic training for train drivers in Sweden, highlights the occurrence of simulator-based training in education, along with the training efforts being made with regards to the future introduction of ERTMS/ETCS. The report also shows the possibilities and limitations of increased use of simulators in driver training and describes the most important governing documents for train drivers and train driver training. Furthermore, the Swedish Transport Agency curriculum for train driver licenses is presented along with the institutions engaged in basic education, training and examination of train driver’s. Also, the Swedish Transport Administration’s E-learning tool for ERTMS, the ERSA-simulator and company specific ERTMS education at SJ and Green Cargo are described. Moreover, Swedish train companies’ and educators’ current use and future needs of simulators for train driver training were examined. Examples from other domains where simulators are used in a training context are also presented.

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  • 2.
    Andersson, Jan
    et al.
    Statens väg- och transportforskningsinstitut, Trafik och trafikant,TRAF.
    Patten, Christopher
    Statens väg- och transportforskningsinstitut, Mobilitet, aktörer och planering, MAP.
    Wallén Warner, Henriette
    Statens väg- och transportforskningsinstitut, Mobilitet, aktörer och planering, MAP.
    Andersérs, Caroline
    Statens väg- och transportforskningsinstitut, Trafik och trafikant,TRAF.
    Jakobsson, Liza
    Trafikverket.
    Ceci, Ruggero
    Trafikverket.
    Cykling under alkoholpåverkan: hur påverkas stabiliteten, kognitiva funktioner och självskattningar av berusning2021Report (Other academic)
    Abstract [sv]

    Antalet dödsfall på cykel var 19 450 mellan 2010 och 2018 i Europa. Antalet cyklister som dödats när de var berusade av alkohol är svårare att fastställa med tanke på bristen på tillförlitliga uppgifter. I Sverige är det socialt acceptabelt och lagligt att cykla om du har druckit alkohol så länge du inte uppträder vårdslöst.

    Syftet med experimentet var att undersöka hur olika nivåer av berusning påverkade cykelprestationen (stabilitet), kognitiva funktioner och självskattad cykelförmåga. I experimentet studerade vi även hur dessa tre mått var relaterade till attityder och intentionen att cykla när de var berusade.

    Experimentet genomfördes på ett brett rullband med möjlighet att kontrollera flera påverkande faktorer såsom hastighet och fysisk ansträngning. Berusade och nyktra deltagare cyklade på rullbandet fem gånger á 10 minuter och BrAC-nivåerna mättes 5 gånger. Deltagarna försågs med alkohol till dess att de nådde en alkoholnivå på 0,8 ‰.

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  • 3.
    Andersson, Jan
    et al.
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Renner, Linda
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Sandin, Jesper
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Fors, Carina
    Statens väg- och transportforskningsinstitut, Fordonsteknik och simulering, FTS.
    Strand, Niklas
    Statens väg- och transportforskningsinstitut, Fordonsteknik och simulering, FTS.
    Hjort, Mattias
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Andersson Hultgren, Jonas
    Statens väg- och transportforskningsinstitut.
    Almqvist, Sverker
    Statens väg- och transportforskningsinstitut.
    Trafiksäkerhetspåverkan vid omkörning av 30-metersfordon2011Report (Other academic)
    Abstract [en]

    The Swedish Road Administration considers permitting longer and heavier trucks on Swedish roads, provided that they do not affect traffic safety. The purpose of the study was to investigate the effect of truck length, particularly accident risk associated with overtaking. Interviewed drivers of 30 meter trucks had not experienced the problems predicted by drivers of ordinary trucks concerning narrow roundabouts and intersections, but mentioned the importance of a supportive truck company, working environment and truck equipment. A simulator study investigated car drivers overtaking trucks 30 m and 18.75 m long on a 2+1 road where two lanes merges to one. The headway time gap was 0.2 sec. (sign.) shorter after overtaking the 30 meter truck in situations where the back was in the same relative position as of the 18.75 meter truck. A field study analysed video-recorded overtakings of a 30 meter and a 24 meter timber truck on a 2+1 road and a two-lane road. No significant differences were found between headway time gaps when overtaking the two trucks, regardless of road type. The latter result should be interpreted with great caution because of unevenly distributed data collected during specific conditions. The conclusions are that longer trucks may have a small negative effect on overtaking situations, and that further field studies are required.

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  • 4.
    Fors, Carina
    et al.
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Lundkvist, Sven-Olof
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Heldragen kantlinje på tvåfältsväg: hastighet och synbarhet2014Report (Other academic)
    Abstract [en]

    The aim was to investigate whether travel speed on two lane roads is influenced by the type of edge line. Another aim was to investigate whether there is a difference in durability for different line types. The study was carried out on a rural road segment. In year one, the entire road segment had a continuous edge line. In year two and three, half the segment had a continuous edge line, while the other half had a broken edge line. Travel speed of free flow passenger cars was measured each year, both in daylight and at night. The function of the edge lines was measured in terms of retroreflection and luminance coefficient. The results showed that the type of edge line did not have an influence on travel speed, neither in daylight nor at night. The preview time was significantly higher for the continuous than for the broken edge line. No difference in durability between the two line types could be observed during the two years the study was carried out. From a traffic safety and comfort perspective, the results point toward the use of continuous edge lines on two lane roads, at least on hilly and curving roads.

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  • 5.
    Gibrand, Malin
    et al.
    Trivector.
    Nilsson, Annika
    Trivector.
    Bilbältesanvändning i Hofors: utvärdering enligt SUMO2009Report (Other academic)
    Abstract [sv]

    Under år 2007 genomförde NTF Gävleborg i samarbete med Vägverket Region Mitt, Polisen i Sandviken och Hofors kommun en kampanj med syftet att höja bilbältesanvändningen bland invånarna i Hofors. Rapporten redovisar såväl projektresultat som processerfarenheter av projektet, med SUMO (System för utvärdering av mobilitetsprojekt) som utvärderingsverktyg.

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  • 6.
    Gustafsson, Susanne
    et al.
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet, samhälle och trafikant, TST.
    Sörensen, Gunilla
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet, samhälle och trafikant, TST.
    Eriksson, Olle
    Statens väg- och transportforskningsinstitut, Drift och underhåll, DOU.
    Genell, Anders
    Statens väg- och transportforskningsinstitut, Miljö, MILJÖ.
    Jägerbrand, Annika
    Statens väg- och transportforskningsinstitut, Miljö, MILJÖ.
    Ljudvarningar vid vägarbetsplatser för att uppnå sänkta hastigheter: Kartläggning och praktisk utvärdering2014Report (Other academic)
    Abstract [en]

    A project has been carried out to find methods that effectively decrease drivers’ speeds at road work sites through real-time audio warnings. The project consisted of two parts. First, a survey of existing studies took place. The results show that the characteristics of a successful audio alert are female voice, direct and informative messages, an interaction between semantics and acoustics, successively increased intensity, and the dimming of secondary audio distractions. Based on the results of the survey, a practical evaluation of the potential use of audio warnings at road work sites was carried out in a VTI driver simulator. Twenty-two car drivers drove 25 kilometer on a motorway where two road works were placed on the hard shoulder. Half of the subjects were given an audio warning before the first road work and the other half prior to the second roadwork. The audio warning consisted of a sound similar to that of a GPS warning signal, followed by a female voice saying "Warning! Road work within 500 meters. Adjust the speed!". The message was sent via the car's internal speaker system. The speed reducing effect is significant and the average decrease is estimated to be 9–17 km/h greater with audio warning than without. Furthermore, there was still a small effect (0.5–3.3 km h) left of the audio alert after the road works. More results of the simulation tests are presented along with the drivers’ subjective opinions of such systems.

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  • 7.
    Ihlström, Jonas
    Statens väg- och transportforskningsinstitut, Samspel människa, fordon, transportsystem, MFT.
    Vägbanereflektorer: trafikantbeteende, upplevelse och bidrag2014Report (Other academic)
    Abstract [en]

    The overall aim of this study was to increase the knowledge about road studs’ potential impact on road user behavior, how they are perceived and the possible contribution they make to other road equipment. The study consisted of three parts. Part one was a literature study, part two was a field study with speed measurements in a sharp rural road curve equipped with road studs either on the center or the right edge line, and part three was an interview study. The results from the literature review showed that there were relatively few studies on road studs and road user behavior. The general conclusion was that the use of road studs seems to increase speeds slightly, while the lateral position will be shifted slightly in the direction from the markings. The results from the speed measurements in a sharp curve equipped with active illuminated road studs showed no significant differences in speed in any of the conditions. The results from the interview study showed that the first contact with the studs was perceived that something had been done in order to attract attention on something, which created curiosity, but also uncertainty about what to expect and how to act ahead. An impression of a slight help to determine the road's stretching before entering the curve was expressed, but at the same time, some competition from delineator posts of the visual space was experienced which created a sense of visual overload. It was thought that non-familiar drivers, probably would reduce the speed slightly ahead of the curve when they noticed the road studs. Familiar drivers were regarded not to be affected in this sense. Regarding what unique contribution the use of road studs could give, it was expressed that they could help road users by warning that a sharp curve that required special adaptation approached. However, the overall perception was that road studs most likely would not contribute much in improving the visual guidance through curves. Instead, it was considered that road markings and delineator posts would usually be sufficient.

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  • 8.
    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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  • 9.
    Vadeby, Anna
    et al.
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet och trafiksystem, TST.
    Forsman, Åsa
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet och trafiksystem, TST.
    Sörensen, Gunilla
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet och trafiksystem, TST.
    Utvärdering av intensiferad hastighetsövervakning i Polisregion Väst2018Report (Other academic)
    Abstract [en]

    The aim of the present study is to evaluate the new methods for increased speed compliance. Both the police's experience, as well as internal and external communication as effects on mean speeds and speed violations are studied. Police in the western region tested a new method during three autumn weeks in 2016.

    The intervention entailed intensified speed enforcement on 13 designated routes and the aim was to reduce mean speed. The intervention focused on three different actions:

    • short manual speed controls (20 minutes) on roads with high speeds and a high accident record
    • civil police cars (so-called pilot cars) focusing on aggressive driving
    • monitoring with mobile speed cameras as a complement to the manual speed controls.

    According to the police’s experiences, the results show that most policemen involved were positive to the intervention overall. It was appreciated that traffic issues appeared on the agenda and the Police received a positive response from the citizens. Basically, they experienced that the 20-minutes method was a good way of working which leads to increased visibility of the Police. The effort also led to more controls than what would have been done otherwise, which was considered as important by the police. Suggestions for improvements are that local police men should be more involved in the selection of roads for enforcement and it was suggested to have several shorter interventions instead of one long.

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  • 10.
    Vadeby, Anna
    et al.
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet och trafiksystem, TST.
    Forward, Sonja
    Statens väg- och transportforskningsinstitut, Mobilitet, aktörer och planering, MAP.
    Sörensen, Gunilla
    Statens väg- och transportforskningsinstitut, Trafiksäkerhet och trafiksystem, TST.
    Svenska trafikanters inställning och beteende avseende trafiksäkerhet: resultat från en internationell enkätundersökning2021Report (Other academic)
    Abstract [en]

    The present study analyses a sub section of an international road safety survey ´ESRA´, which measures self-reported behaviour, attitudes and norms regarding road safety in 32 countries. In this study the focus is mainly on results from the Swedish survey. The aim is to gain a better understanding of road safety in Sweden and how Sweden compares with nine other countries with similar levels of road safety.

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  • 11.
    Analysis of the literature: the use of mobile phones while driving2007Report (Other academic)
    Abstract [en]

    Analysis of the literature: the use of mobile phones while driving

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  • 12.
    Hastigheter motorcykeltrafik 2007 – från Luleå till Malmö2009Report (Other academic)
    Abstract [sv]

    I den här publikationen är det motorcyklisters hastighetsbeteende som belyses. Förhoppningen är att materialet kan användas som ett fortsatt diskussionsunderlag med gruppen motorcyklister.

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  • 13.
    Hastigheter motorcykeltrafik 2008 – från Luleå till Malmö2009Report (Other academic)
    Abstract [sv]

    I materialet och analyserna i detta dokument är det motorcyklisters hastighetsbeteende som belyses. Detta är det andra året som mätningar utförs i 24 punkter på 6 platser i landet.

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1 - 13 of 13
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