Browsing TØI Vitenarkiv by Issue Date
Now showing items 421-440 of 517
-
A minute of your time: The impact of survey recruitment method and interview location on the value of travel time
(Journal article; Peer reviewed, 2022-05-26)Web-based stated preference (SP) surveys are widely used to estimate values of travel time (VTT) for cost–benefit analysis, often with internet panels as the source of recruitment. The recruitment method could potentially ... -
The effects of a subvention scheme for e-bikes on mode share and active mobility
(Journal article; Peer reviewed, 2022-06-04)Introduction Previous studies show substantial mode share effects from e-bikes. E-bike owners cycle more and drive less car than they would without access to an e-bike. Support schemes for e-bikes exist in a number of ... -
Do we know why the number of traffic fatalities is declining? If not, can we find out?
(Journal article; Peer reviewed, 2022-06-07)The number of traffic fatalities has declined by 80-90 % from the all-time peak number in many highly motorized countries. It would be of great interest to identify factors that explain this decline. Unfortunately, this ... -
Tram to Pedestrian Collisions—Priorities and Potentials
(Peer reviewed; Journal article, 2022-06-22)To improve mobility in cities in line with environmental goals, in urban traffic, trams represent an increasingly important means of transport. Due to the close interaction with other road users, this makes collisions with ... -
Factors Affecting e-Scooter Mode Substitution
(Peer reviewed; Journal article, 2022-06-23)What transport modes do e-scooters replace? This article analyses the results from a web survey conducted among customers who were registered with five different shared e-scooter apps in Norway in October-November 2021. ... -
Traffic safety in bus transport: An analysis of Norway’s largest transit authority’s contract requirements to bus companies
(Journal article; Peer reviewed, 2022-07-16)The main objective of the study is to evaluate direct and indirect traffic safety consequences of the requirements that Norway’s largest transit authority (Ruter) sets in the contracts with bus companies. To assess the ... -
Value of travel time by road type
(Journal article; Peer reviewed, 2022-08-03)Travel time is less costly if it is comfortable or can be used productively. One could hence argue that the value of travel time (VTT) of car travellers in economic appraisal should be differentiated by road type, reflecting ... -
Interact or counteract? Behavioural observation of interactions between vulnerable road users and autonomous shuttles in Oslo, Norway
(Journal article; Peer reviewed, 2022-08-03)The current paper presents the results of behavioural observations in a field experiment with automated shuttles in Oslo, Norway. Video observations were conducted at five fixed locations along a challenging 1.2 km automated ... -
Which is the more important for road safety— road design or driver behavioural adaptation?
(Journal article; Peer reviewed, 2022-08-09)Studies consistently show that sharp horizontal curves increase accident rate. One would therefore expect roads with many sharp curves to have a higher accident rate than roads with few sharp curves. This is not the case. ... -
Changes in Travel Behaviour During the Pandemic: Exploring Why Public Transport is Not Back to Pre-Pandemic Levels
(Journal article; Peer reviewed, 2022-08-10)This study explores why shares using public transport in autumn 2021 remained well below 2019 pre-pandemic levels, even after most COVID-19 restrictions had been lifted. Based on an interview survey of 1145 workers in the ... -
Aversion to in-vehicle crowding before, during and after the COVID-19 pandemic
(Journal article; Peer reviewed, 2022-08-16)Based on four consecutive stated choice surveys, we estimate changes in public transport user’s valuation (marginal costs) of in-vehicle crowding due to the COVID-19 pandemic in two Norwegian cities. Compared to the pre-COVID ... -
The role of values in road safety culture: Examining the relationship between valuation of freedom to take risk and accident risk among motorcycle riders and car drivers
(Journal article; Peer reviewed, 2022-08-26)Focus on paternalistic values versus individual freedom is a fundamental theme, which defines the status of road safety in different settings. The present study examines the role of values related to freedom to take risk ... -
Optimal Entry and Exit Decisions Under Uncertainty and the Impact of Mean Reversion
(Journal article; Peer reviewed, 2022-09-21)This paper derives an entrepreneur’s optimal switching between an idle and an active state under stochastic mean reverting output prices. The paper suggests a new categorisation of the effects of mean reversion. Mean ... -
Descriptive analysis of reports on autonomous vehicle collisions in California: January 2021–June 2022
(Journal article; Peer reviewed, 2022-09-28)The characteristics of autonomous vehicles’ collisions from 2021 and the first half of 2022 in California confirm trends reported in previous years. Driving in autonomous mode was associated with fewer instances in which ... -
Agglomeration decay in rural areas
(Journal article; Peer reviewed, 2022-09-30)Spatial proximity to other economic activities – occasionally labeled as ‘market access’ and ‘economic density’ – is associated with good economic performance. How the impulses from economic activities diminish over space ... -
Impacts from transportation measures in national appraisal guidelines: coverage and practices
(Journal article; Peer reviewed, 2022-09-30)Transportation appraisal has a potential important role in prioritization of transportation investment projects and other transportation measures. Appraisal practices vary much over countries and time, but these differences ... -
Distracting or informative? Examining signage for cyclists using eye-tracking
(Journal article; Peer reviewed, 2022-09-30)There is great political motivation to improve conditions for cyclists to help solving the transport needs of the future. We used eye-tracking to collect data and analysed it using a novel machine learning approach. 40 ... -
Empirical Analysis of the User Needs and the Business Models in the Norwegian Charging Infrastructure Ecosystem
(Journal article; Peer reviewed, 2022-10-03)The Norwegian charging infrastructure ecosystem was investigated from a user perspective by (1) developing knowledge of end-user experiences with public charging, (2) mapping BEV owners and future owner’s user-friendliness ... -
Sensors securing sustainable digital urban logistics—A practitioner’s perspective
(Journal article; Peer reviewed, 2022-10-04)The transport of goods, equipment and waste to, from, in and through urban areas (urban logistics) are essential for the economic vitality of the city but at the same time make urban environmental and social targets more ... -
Self-imposed social isolation among clients of social care organisations in the COVID-19 pandemic
(Journal article; Peer reviewed, 2022-10-11)Although self-imposed social isolation is an important way of reducing the risk of COVID-19 infection, previous research indicates that this behaviour varies substantially between different groups and individuals. Socially ...