Resarch areas

VMS – Variable Message Signs. A literature review

Year:
2007
VTI-code:
R570A

Authors: Sara Nygårdhs , Gabriel Helmers

The acronym VMS stands for Variable Message Sign. It is a sign for the purpose of displaying one of a number of messages that may be changed or switched on or off as required (CEN, 2005).

This literature review is primarily aimed at describing studies that deal with the interaction between driver behaviour and VMS. The collected references are, for the most part, published in Europe or studies about European conditions, published during the years of 2000 2005.

Areas treated in the study are effects on driver behaviour, driver attitudes, design, understanding and recall ...

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Research area

People in the transport system
Traffic safety

  • Published: 2007-03-06
  • VTI-code: R570A

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Passing a bus with 30 km/h. Assessment of safety effects of a speed limit of 30 km/h when passing a bus – a simulator study

Year:
2007
VTI-code:
R573

Authors: Anna Anund , Katja Kircher , Torbjörn Falkmer , Birgitta Thorslund , Albert Kircher

A simulator study was conducted to investigate the implementation of a new law which
prescribes a speed limit of 30 km/h when passing buses equipped with a 30-sign and
flashing lights. It was shown that the drivers follow the rule better when they pass a bus
on their own side than when the bus was standing on the opposite side of the road. The
slowest mean speeds were found when passing a bus on a road with a speed limit of
70 km/h. The highest speed reduction, however, was found when the posted speed limit
was 90 km/h. A bus without signage did not induce the ...

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Research area

People in the transport system
Traffic safety

  • Published: 2007-03-06
  • VTI-code: R573

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Bus drivers' working environment

Year:
2006
VTI-code:
R557

Authors: Selina Mårdh

At the assignment of the Swedish Road Administration, VTI has performed a study on “The working environment of bus drivers”.
The aim of the study was to describe the working environment of bus drivers according to contemporary research. The result of the study is supposed to act as basis for future development of the working environment of bus drivers.
The study comprises the following three parts:
• Part one – An introductory interview study with bus driver employers.
• Part two – A literature review on recent research on bus drivers’ working environment.
• Part ...

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Research area

People in the transport system
Vehicle technology

  • Published: 2006-11-08
  • VTI-code: R557

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The SARTRE 3 Tables – Another set of opinions about traffic and traffic safety of European drivers

Year:
2006
VTI-code:
R541/541A

Authors: Sven Dahlstedt

SARTRE is an acronym for the project "Social Attitudes to Road Traffic Risk in Europe", which implies a collaboration between a number of organisations in the field of traffic safety and road traffic research in Europe to carry out coordinated surveys. The first phase of the project started in the early 90's and then it included about 16 countries in Western and Central Europe.

In the third round of the continued Sartre project, reported here, new interviews were conducted with European drivers to study their attitudes to traffic and traffic safety. This time the questionnaire ...

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Research area

People in the transport system
Traffic safety

  • Published: 2006-09-19
  • VTI-code: R541/541A

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Children’s perspective on safety and security in school transportation

Year:
2006
VTI-code:
R548

Authors: Anna Anund , Jonna Nyberg , Torbjörn Falkmer , Kerstin Elkehag , Charlotta Elm , Pamela Gustafson , Anna Lövgren , Pia Åkerberg

School transportation should be safe, secure and accessible for all children entitled to such transportation, regardless of any disability. On a daily basis, 440,000 children utilise school transportation, several thousands of them having some sort of disability. Laws, rules and regulations concerning school transportation do not take the children’s perspective into account. Moreover, they do not explicitly define where and when a school transport actually starts and ends. For these reasons, more knowledge was needed in order to fully understand why school transportation incidents take place. ...

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Research area

People in the transport system
Traffic safety

  • Published: 2006-09-06
  • VTI-code: R548

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Road and road surface design for safety, comfort and health – A pilot study

Year:
2006
VTI-code:
N29-2006

Authors: Selina Mårdh , Peter Andrén , Anita Ihs , Leif Sjögren

During summer 2002 a special directive about employees’ health and security at exposure to risks due to vibrations during work, also called “Physical agents vibration directive” (Directive 2002/44/EC), was adopted by the EC. The member states had until July 6th 2005 to transfer the directive into the national legislation.
Certainly the condition of parts of the road network can be such that the vibration levels that professional drivers are exposed to exceed the limits that are given in the vibration directive. VTI has therefore been commissioned to carry out a pilot study including a ...

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Research area

People in the transport system
Infrastructure maintenance

  • Published: 2006-09-01
  • VTI-code: N29-2006

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Mobility and travel patterns among foreign-born in Swedish traffic environment

Year:
2006
VTI-code:
R546

Authors: Susanne Gustafsson , Jonna Nyberg , Catharina Lewin

Approximately 12% of Sweden’s inhabitants were born in another country. The proportion of foreign-born that possess driver’s licences and vehicles is lower than among Swedish-born, which limits the ability to travel among this group. This is one important result of the present study, which was financed by the Swedish Road Administration. The aim of this study was to increase knowledge concerning the situation for foreign-born in the Swedish transportation system and analyze their mobility and travel patterns. The results are based on a literature review, register data, group interviews as ...

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Research area

People in the transport system

  • Published: 2006-06-27
  • VTI-code: R546

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The perceptions of young people as regards what characterises a safe driver, and the formulation of driving instruction

Year:
2006
VTI-code:
R537

Authors: Jonna Nyberg , Inger Engström

This study had three objectives. The first was to find the variation of perceptions as regards what characterises a safe driver, between those young people who are learning to drive, and those who have recently acquired driving licences. The second objective
was to find the variation of perceptions in the same two groups as with the first objective, as regards how driving instruction should be formulated, i.e. how the young people consider one should learn to become a safe driver. The third and final objective
was to make a comparison between the young learner drivers and those who ...

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Research area

People in the transport system
Traffic safety

  • Published: 2006-05-29
  • VTI-code: R537

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Effects of cognitive and visual load in real and simulated driving

Year:
2006
VTI-code:
R533A

Authors: Lena Nilsson , Åsa Forsman , Jan Törnros , Joakim Östlund

A simulator and a field experiment were conducted to study the effects of visual and cognitive distraction on driving performance, and also to assess the validity of the VTI simulator as a tool for studying the effects of distraction. The simulator experiment was conducted in the VTI Driving Simulator II and included motorway and rural road driving. The field experiment was conducted in an instrumented Volvo S80 car and included motorway driving only. 48 persons participated in the simulator experiment, and 24 in the field experiment. Visual load was imposed using a visual detection task and ...

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Research area

People in the transport system

  • Published: 2006-04-26
  • VTI-code: R533A

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