Performance Based Standards for High Capacity Transports in Sweden

Posted on September 1, 2015 by nradmin

The transport sector is facing a major challenge to reduce energy consumption and limit environmental impact; therefore, there is a great interest in increasing the efficiency of the transport system in Sweden, which makes the High Capacity Transports (HCT) an attractive solution. In order to...

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New Test Method for Bicycle Tyres Shows the Benefits of Studded Tyres

Posted on September 1, 2015 by nradmin

Traffic safety during cycling is as timely as it is important. Several cycling-related research projects are underway at the Swedish National Road and Transport Research Institute (VTI), and one group of researchers recently developed a method for testing the grip of various bicycle tyres on ice....

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Emission of Inhalable Particles from Studded Tyre Wear of Road Pavements

Posted on August 6, 2015 by nradmin

In the following study, the particle generation from seven studded tyres was tested in the VTI road simulator. The results show that increased number of studs and increased stud force increase the emission of inhalable particles significantly. New restrictions on the number of studs on studded...

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New Diesel Buses Pollute Less Than New Diesel Cars

Posted on May 25, 2015 by nradmin

The NOx-emissions from a new diesel bus or diesel truck are just one-third as much as from a new diesel passenger car. New emission standards and new technology is changing the image of which vehicles that pollute most in urban traffic. From 2015 EURO 6 emission standards where introduced for cars...

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Comparison of Winter and Summer Tyres on Bare Roads Summer Time

Posted on May 25, 2015 by nradmin

To examine possible safety risks from the use of winter tyres during summer time tests of road grip have been conducted for a group of non-studded winter tyres and a group of summer tyres. One non-studded winter tyre of Nordic type, and one summer tyre was chosen from five different tyre...

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Operational Measures Against PM10 Pollution in Stockholm

Posted on May 25, 2015 by nradmin

The concentrations of inhalable particulate matter (PM10) in the air in several Swedish cities do not meet the EU air quality directive and the Swedish Environmental Quality Standards. Since 2011, intensifying efforts are made to reduce particle levels in Stockholm, where the problems are...

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Winter Testing in Driving Simulator Being Improved

Posted on May 25, 2015 by nradmin

The Swedish National Road and Transport Research Institute (VTI) is constantly researching ways to develop and improve the ability of its driving simulators to simulate reality. One such piece of research is WinterSim, a three-year doctoral project aiming to recreate certain properties specific...

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Countermeasures For Fatigue in Transportation

Posted on May 25, 2015 by nradmin

The overall aim with this study was to gather knowledge about countermeasures for driver fatigue in road, rail, sea and air transportation. The knowledge has been used as an input for evaluating advantages and disadvantages with different countermeasures and to estimate their potential to be used...

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Conference: ERPUG 2015 forum

Posted on April 14, 2015 by nradmin

The latest in road profiling and road surface characteristics. European Road Profile User's Group are proud to invite you to the ERPUG 2015 forum, October 15-16, 2015, in Budapest, Hungary. It will take place in central Budapest at the Technical University. Registration is now open, see...

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Unique Model Calculates Costs of Winter Maintenance

Posted on March 2, 2015 by nradmin

In the late 1990s, VTI and the Swedish Transport Administration (then known as the Swedish Road Administration) began discussing the creation of a model for calculating the socioeconomic costs of various strategies for the winter maintenance of the national road system. VTI has now been working...

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