Beläggningsslitage vintern 2007/2008 på högtrafikerade vägar i Stockholmsområdet


For many years, VTI has monitored road surface wear caused by the use of studded tyres. In order to examine current road surface wear from studded tyres, studies were carried out in the Stockholm region of Sweden. The investigations began during winter 2006/2007 and were complimented with further studies during winter 2007/2008. The aim of the investigations was to study - surface wear on the high trafficked routes in and out of Stockholm; - surface wear on relatively new surface courses and on surface courses which have been exposed for up to four years of winter traffic; - the percentage of passenger cars that use stud tyres. The investigation carried out on the routes in and out of Stockholm showed that surface wear has increased in recent years. Vehicles today are causing more surface wear per km compared to a number of years ago. One reason for this is that asphalt aggregates used today are not as proportionally durable than those used previously. This, together with increased traffic volume, means that the level of surface wear (including rutting) caused by studded tyres has increased compared with the early 2000s. According to the 2007/2008 studies, the depth of rutting on the high trafficked road network, caused by studded tyre use, was 2-3.5mm. Estimates have shown that studded tyre use in the Stockholm region of Sweden (November 2007 to April 2008) was on average 53%. This is perhaps a slight reduction in usage compared to previous years.



Vision Zero for Sustainable Road Safety in the Baltic Sea Region

The conference Vision Zero for Sustainable Road Safety in the Baltic Sea Region is held i Vilnius, Lithuania. VTI is part of the organisation committé and also one of the speakers.

ICTTP 2020

ICTTP, International Conference on Traffic and Transport Psychology, is held in Gothenburg, Sweden.



International standardisation efforts have many advantages

VTI participates in several international standardisation committees. The work is important because it helps to ensure that standards can be adapted to Swedish conditions and it also provides access to valuable contacts and networks.


China wants to work with the best

Through the CTS cooperation, VTI is gaining valuable research contacts with China. The country is facing major challenges in the field of road safety but also has enormous potential.


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...


ADAS&ME is tackling the interaction between people and technology

ADAS&ME is a major EU project focused on automation, the human condition and the human environment. The budget is EUR 9.6 million and VTI is the coordinator.


Users contribute to the development of train simulators

Apart from advanced driving simulators, VTI has developed several variations of train simulators which are used for training, education and research. In recent years, interest has increased drastically among major actors in the railway sector, and VTI has...


VR study to contribute to a better working environment for bus drivers

A study where bus drivers test autonomous driving in a VR environment may contribute to a better working environment with reduced stress on the driver and safer driving.