Emissions from vehicles with Euro VI/6-technology

Posted on February 23, 2017 by nradmin

Modern gasoline-fueled personal cars with direct-injection technology exhibiting high emissions of nitrogen oxides  in new laboratory tests. Researchers at Institute of Transport Economics in Norway (TØI) and VTT in Finland have tested various vehicles by applying test-cycles which represent...

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Loss of field of vision need not mean reduced driving ability

Posted on February 23, 2017 by nradmin

The Swedish Transport Agency has tasked the National Road and Transport Research Institute (VTI) with developing a simulator-based test method for assessing driving ability in individuals with loss of field of vision. In a newly published report, the researchers describe the approved method, which...

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How can high levels of particles in tunnels be reduced?

Posted on February 23, 2017 by nradmin

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

Posted on February 22, 2017 by nradmin

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 increases...

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Mobile phones in cars: how extensive is their use?

Posted on February 22, 2017 by nradmin

There are many views and assertions regarding mobile phone use while driving. Researchers at the Swedish National Road and Transport Research Institute (VTI) are conducting a study to gain more knowledge of this issue. The purpose of the study is to objectively investigate how people are...

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Dense automatic speed enforcement effectively reduces speeding

Posted on February 22, 2017 by nradmin

A recent before-after study supports the earlier concept that automatic speed enforcement is an effective measure for reducing driving speeds and thus improving road safety. Since the introduction of automatic speed enforcement on a highway in Finland, the average share of vehicles speeding by over...

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Fossil-free fuels make a clear leap forward

Posted on February 21, 2017 by nradmin

Each year the Swedish National Road and Transport Research Institute (VTI) organizes the Nordic region’s largest annual conference for the transport sector. For three years running there has been a session on Transportforum dealing with the development of new infrastructure for the fossil-free...

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Focus on unprotected wheel-borne road users

Posted on February 21, 2017 by nradmin

The Länsförsäkringsbolagen (Swedish County Insurance Companies) research fund has been financing a three-year research programme under the auspices of the Swedish National Road and Transport Research Institute (VTI) since the spring of 2015. The aim is to improve the safety of unprotected...

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Sustainability a long way off for aviation

Posted on February 21, 2017 by nradmin

It is hardly a secret that aviation must reduce its negative impact on the climate. This will require either less air travel or a breakthrough in sustainable aviation fuels. Emissions per flight are decreasing, thanks to more efficient engines, lighter aircraft, more seats per aircraft, and...

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Trend towards fewer parking spaces

Posted on February 21, 2017 by nradmin

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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