Susanne Gustafsson


Picture of Susanne Gustafsson

Research results from Susanne


Tunga lastbilars däckanvändning och olycksrisk vintertid

In Sweden, it is today regulated that winter tyres must be used on the drive axle of heavy vehicles (total weight in excess of 3,500 kg) during the winter season period, December 1 to March 31, in case of winter conditions. This requirement is based...

Utvärdering av alkolås efter rattfylleri: intervjustudie

A permanent alcohol interlock program for drink drivers came into force on 1 January 2012. The Swedish Transport Agency is responsible for the program which applies to all types of driver’s licenses. The program includes both a one-year and a...

Cyklisters hastigheter: Kartläggning, mätningar och observation

Many different road users share space on pedestrian and cycle paths, and their speeds may differ greatly. Differences in speed can complicate the interactions between road users which in turn may cause incidents and accidents. The purpose of this...

Säker framkomlighet: spårutveckling på mitträfflade, mötesfria och riktningsseparerade...

In this project, rut depth development studies were carried out on road sections subjected to three specific types of traffic safety measure. The measures, implemented through the Swedish Transport Administration’s "Safe accessibility" project,...

Säker framkomlighet: sammanfattande slutrapport 2015

This report consolidates evaluations performed within the project “Safe accessibility” on behalf of the Swedish Transport Administration. Four different measures implemented on rural roads in Sweden with the aim to increase traffic safety and...

Utvärdering av miljöinslagen i körkortsutbildningen: en studie av effekter på körbeteende...

The aim of the study was to measure the effects of the education in environmental friendly driving that is included in the Swedish driver education for license class B on fuel consumption and a selection of driving behaviour that are typical for...

Utvärdering av alkolås efter rattfylleri: enkätstudie

A permanent alcohol interlock program for drink drivers came into force on 1 January 2012. The Swedish Transport Agency is responsible for the program that applies to all types of driver's licenses. The program includes both a one-year and a...

The Swedish Joint Action Method against Drink Driving: A Study of Suspected Drink...

In Sweden, a joint action method called SMADIT is in use, where the police quickly offer help from the social services or the dependency care and treatment service to suspected drink drivers. One conclusion from this paper is that SMADIT, as an...

A behavioural study of quadbike drivers

As quadbikes are becoming more and more common in Sweden the number of accidents also increases. The first aim of this study was therefore to increase our knowledge of how and where quadbikes are used, the mistakes and violations drivers make and...

Participation Rates in a Voluntary Alcohol Interlock Program for Drink Drivers in Sweden

After a long trial period, an alcohol interlock program was permanently introduced in Sweden in 2012. Participation in the program is voluntary and the duration of the program is one or two years, depending on the severity of the drink driving...

Unga mopedisters olycksinblandning: orsaker och konsekvenser

The general aim of this study is to increase knowledge about the processes leading to accidents. This was done with a knowledge review, an in-depth study of moped crashes with serious injuries and an analysis of teenagers’ discussions on the...

Fyrhjulingsförares beteenden och felhandlingar

As quadbikes are becoming more and more common the number of accidents also increases. The first aim of this project was therefore to increase our knowledge of the accidents whilst the second aim was to increase our knowledge of how and where...

Ljudvarningar vid vägarbetsplatser för att uppnå sänkta hastigheter: Kartläggning och...

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...

Cyklisters singelolyckor: analys av olycks- och skadedata samt djupintervjuer

The objective of this project was to study single bicycle accidents, to see how these can be avoided and how the injuries due to these can be alleviated. The in-depth studies of fatal accidents by the Swedish Traffic Administration, and hospital...

SMADIT ur den misstänkte rattfylleristens perspektiv: en intervjustudie

SMADIT, Joint action against alcohol and drugs in traffic, is a method where the police offer suspected drunk drivers contact with the social services or the dependency care and treatment service, who can offer a consultation and, if needed,...

Cyklisters hjälmanvändning i ett regionalt perspektiv: fokusgruppsintervjuer samt analys...

The objective of the present study was to obtain knowledge about bicycle helmet use and its variations across Sweden. First, data on cyclists’ accidents, injuries and helmet use were studied in terms of regional differences. These data were taken...

Prevalence of alcohol, illicit drugs and psychoactive medicines in killed drivers in four...

Our objective was to determine the presence of psychoactive substances in blood of drivers killed in road crashes in four European countries. Data from 1118 drivers of car and vans, killed between 2006 and 2009, were collected in Finland, Norway,...

Alcohol- and drug-related fatal accidents in Sweden: where do they occur?

This conference paper presents an accident study investigating where fatal alcohol- and drug-related accidents occur with respect to traffic environment (i.e., urban versus rural), road type, speed limit, annual average daily traffic flow, and road...

Vägtrafikens hastigheter: kunskapsinventering

In order to achieve the interim target for road safety it is necessary that compliance of speed limits increases at the road network. VTI has been commissioned by the Swedish Transport Administration to analyse major problems and challenges...

Analys av rattfylleriolyckor: var och när sker olyckorna?

Minor roads shouldn’t be left unattended by the police when surveying drink-driving and extensive surveillance is needed during nighttime. These are the main conclusions of a VTI study concerning where and when alcohol-related traffic accidents...

Nordic citizens' views on traffic safety

Even though traffic safety is very high in the Nordic countries, there are still too many people who die or are severely injured. The Nordic Road Safety Council conducted a questionnaire survey with the purpose to find differences between member...

Hastighetsdämpande åtgärder: en litteraturstudie med fokus på nya trafikmiljöåtgärder och...

A literature survey has been conducted regarding international traffic calming measures that could have a potential use in Sweden and other Nordic countries. Focus has been on measures in new traffic environments and ITS (Intelligent Transport...

Förekomst av droger och läkemedel i trafik i Sverige: resultat från EU-projektet DRUID

The prevalence of illicit drugs and medicines in the driving population, i.e. among drivers on the road, was 2.5 per cent between the years 2006 and 2011 in Sweden. The prevalence of alcohol, illicit drugs and medicines among drivers killed in...

Barns färd i bil: en observationsundersökning genomförd av trafiksäkerhetsorganisationen...

The National Society for Road Safety, NTF, has conducted an observational survey at 347 preschools comprising 5,000 children aged 0-10 years. The aim of the study was to follow up Swedish laws and recommendations concerning how children are secured...

Impact of Nonresponse and Weighting in a Swedish Survey

Results from travel surveys, together with traffic monitoring programs, serve as a basis for policy decisions and evaluations. Correct interpretation of the survey results is therefore of vital importance, and the impact of different sources of...

Utlandsföddas mobilitet och resvanor i svensk trafikmiljö

The aim of this study was to increase knowledge concerning the situation of foreign-born in the Swedish transportation system and analyze their mobility and travel patterns. Foreign-born are defined as people born in another country than Sweden, but...

The traffic safety situation among foreign born in Sweden: based on eight road user...

Road traffic crashes are identified as a world wide public health problem. Prognoses by WHO suggest these crashes to constitute the third most common reason for fatalities and disabilities in 2020. However, the crash risk varies from country to...

Child safety in cars: Literature review

In order to study child safety in cars, international literature was reviewed with respect to road vehicle transportation for children, with the focus being on the age up to 12 years. The review included literature in English and Swedish....

Barn i bil - socioekonomiska faktorer: litteratur- och enkätstudie

The aim of the study was to identify relationships between no use/misuse of safety belt/child restraints and socio-economic aspects. The conclusions from the study will provide a basis for the future development of information and campaigns to...