Category Archives: Infrastructure

Infrastructure measures in Norwegian cities increased cycling by 31 pct

Improved cycling facilities in city streets increased cycling by 31 pct. TØI collected data using a mobile app recording bicycle patterns. This is the first time data collected by Apps like Strava and Google Maps Timeline are used in Norway in better estimating the utility of investments for...

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Highway middle barriers substantially increase road safety

VTT Technical Research Centre of Finland investigated the safety effects of middle barriers on non-motorway highways in Finland. The results indicate that highway middle barriers greatly improve road safety and are particularly effective at reducing fatal accidents, with four in five such accidents...

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VTI participated in conference on electric roads

Systems with electrified roads are a relatively new concept and many projects have been launched in recent years. To stimulate the transfer of knowledge and collaboration, the Research and Innovation Platform for Electric Roads arranged its second International Conference on Electric Road Systems...

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New climate-proof solutions for hard surfaces

High-density road infrastructure that emphasise maximum durability and minimum maintenance create inflexible systems, which put increased stress on urban trees and lead to increased risk for flooding. Over the past five years, the ‘Climate-proof solutions for urban surfaces’ project...

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How can high levels of particles in tunnels be reduced?

Traffic jam in a road tunnel.
A new study from the National Road and Transport Research Institute (VTI) demonstrates that older types of trains produce more particulate emissions in railroad tunnels than do newer ones. Dust binding, improved paving, and reduced studded tyre use could reduce coarse particle levels in road...

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Nordic capitals are prioritising pedestrians

Street with people in Stockholm
Helsinki, Stockholm and Copenhagen are all working strategically with pedestrian prioritising and urban life. Car free city centres are high on the political agenda in many Nordic cities and in a range of European countries. New policy measures are applied and in many cases, significant...

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Trend towards fewer parking spaces

Parking space
Research demonstrates that it is possible to predict the need for parking in connection with renovations and new construction. At the same time, there is a trend towards cities, for example, eliminating street parking and instead using the land for cycling paths, as is the case in Stockholm and...

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Unmanned Aircraft for Roadside Avalanche Monitoring

Unmanned aircraft
The Norwegian Public Roads Administration (NPRA) recognizes that unmanned aircraft systems (UAS) are increasingly capable and potentially can replace the use of helicopters for avalanche monitoring, but there are challenges for the use of these. The NPRA has an active maintenance program...

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Research Station with a Focus On the Environment

Illustration of Testsite E18
There is only one permanent environmental and road research station in Sweden, situated on the E18 motorway between Västerås and Enköping. VTI is now taking over as the new research coordinator for the station. “Here we can follow up on the various types of environmental effects that...

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Winter Driving and Lack of Experience Cause Accidents

Lorry seen from the side.
Foreign drivers of heavy goods vehicles (HGVs) in Norway have three times the risk of being involved in a single vehicle accident than drivers of domestic HGVs. A recent study uses several methods to examine safety outcomes, risk factors and measures associated with increasing...

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