Transportøkonomisk institutt
Recent Submissions
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Parking facilities and the built environment: Impacts on travel behaviour
(Journal article; Peer reviewed, 2016-11-25)Car ownership and car use depend on numerous factors, among which are parking availability at destination and at home. While the former has attracted considerable research efforts for decades the latter, home parking, has ... -
Reducing the probability of ship grounding: Which measure to undertake?
(Journal article; Peer reviewed, 2013-09-10)The analytic hierarchy process has been used to elicit the knowledge of maritime transport stakeholders, such as seafarers, authorities, insurers and academics, regarding human factors and risk-reducing measures for ship ... -
Effect of Price Reduction and Increased Service Frequency on Public Transport Travel
(Journal article; Peer reviewed, 2017-02-21)A random effects meta-analysis of the results from 15 projects involving price reduction and 9 projects involving increased service frequency showed that both price reduction and increased service frequency generated public ... -
ADHD and relative risk of accidents in road traffic: A meta-analysis
(Journal article; Peer reviewed, 2013-10-25)The present meta-analysis is based on 16 studies comprising 32 results. These studies provide sufficient data to estimate relative accident risks of drivers with ADHD. The overall estimate of relative risk for drivers with ... -
A generic discrete choice model of automobile purchase
(Journal article; Peer reviewed, 2017-03-24)Purpose The introduction of novel fuel and propulsion technologies, such as battery, (plug-in) hybrid and fuel cell electric vehicles, and the need to combat the exhaust emission of local and global pollutants from the ... -
How would increasing seat belt use affect the number of killed or seriously injured light vehicle occupants?
(Journal article; Peer reviewed, 2016-01-12)The expected effects of increasing seat belt use on the number of killed or seriously injured (KSI) light vehicle occupants have been estimated for three scenarios of increased seat belt use in Norway, taking into account ... -
A review of guidelines for including wider economic impacts in transport appraisal
(Journal article; Peer reviewed, 2016-08-09)In this paper we examine how 23 industrialised countries treat wider economic impacts (WEIs) in transport appraisals. We identify 12 different types of impacts based on these countries’ appraisal guidelines. Agglomeration ... -
Allocation of tasks, arrangement of working hours and commuting in different Norwegian households
(Journal article; Peer reviewed, 2014-02-23)Weekly working hours and commuting distance can be seen as indicators of equality/inequality between spouses. Traditionally, it is women who adjust their career more readily to meeting family obligations. In an era with a ... -
Children's out-of-home leisure activities: changes during the last decade in Norway
(Journal article; Peer reviewed, 2018-08-31)This study, based on two nationally representative samples of children aged 6–12 years and their parents from 2005 and 2013–2014, explores changes in children's play, through changes in participation in three different ... -
Decreasing popularity of the car? Changes in driving licence and access to a car among young adults over a 25-year period in Norway
(Journal article; Peer reviewed, 2016-01-09)The general impression that car-use has reached a peak or the orientation to have a car has stagnated in several Western countries has been associated with young people being less interested in obtaining a driving licence ... -
Shared road is double happiness: Evaluation of a “Share the road” sign
(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 ... -
Who are most likely to adapt their travel behaviour to changes in weather conditions? A study of weather tolerance and travel behaviour in Norway
(Journal article, 2019-01-31)This study, based on two questionnaire surveys from two cities in Norway with different climate conditions, explores to which extent weather tolerance in terms of travel behaviour – here defined as using a non-motorized ... -
Safety effects of fixed speed cameras - An empirical Bayes evaluation
(Journal article; Peer reviewed, 2015-06-27)The safety effects of 223 fixed speed cameras that were installed between 2000 and 2010 in Norway were investigated in a before–after empirical Bayes study with control for regression to the mean (RTM). Effects of trend, ... -
In search of the severity dimension of traffic events: Extended Delta-V as a traffic conflict indicator
(Journal article; Peer reviewed, 2016-09-28)Most existing traffic conflict indicators do not sufficiently take into account the severity of the injuries resulting from a collision had it occurred. Thus far, most of the indicators that have been developed express the ... -
How Regional Authorities Act Under Restricted Decentralization: Evidence from the Norwegian Transport Sector
(Journal article; Peer reviewed, 2019-06-13)The literature on decentralization points out that there is a tendency to limit discretion at the local level by, for example, imposing national standards. It is therefore of interest to understand how sub-national authorities ... -
A synthesis of studies of access point density as a risk factor for road accidents
(Journal article; Peer reviewed, 2017-07-25)Studies of the relationship between access point density (number of access points, or driveways, per kilometre of road) and accident frequency or rate (number of accidents per unit of exposure) have consistently found that ... -
An Empirical Bayes before-after evaluation of road safety effects of a new motorway in Norway
(Journal article; Peer reviewed, 2017-09-19)This paper presents an Empirical Bayes before-after evaluation of the road safety effects of a new motorway (freeway) in Østfold county, Norway. The before-period was 1996–2002. The after-period was 2009–2015. The road was ... -
Association between increase in fixed penalties and road safety outcomes: A meta-analysis
(Journal article; Peer reviewed, 2016-04-13)Studies that have evaluated the association between increases in traffic fine amounts (fixed penalties) and changes in compliance with road traffic law or the number of accidents are synthesised by means of meta-analysis. ... -
Effects of a penalty point system on traffic violations
(Journal article; Peer reviewed, 2017-11-06)We analysed data from the Norwegian driver’s licence penalty point register over a three-year period, in order to investigate whether the number of incurred penalty points in a given time period can predict the probability ... -
Characteristics of fatal road crashes involving unlicensed drivers or riders: Implications for countermeasures
(Journal article; Peer reviewed, 2018-05-05)Drivers or riders without a valid license are involved in 10% of fatal road crashes in Norway. This was shown by an analysis of data from all fatal crashes in the period 2005–2014. A literature review shows that unlicensed ...
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