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Category Archives: Maintenance
VTI’s measurements make airfields safe
Håkan Carlsson is the laboratory manager for measurement technology and workshop at VTI. His role gives him responsibility for the activities, and he normally doesn't have time to take part in the practical work. However, there is one exception, and that is proof load testing for airfield bearing...
Posted in Infrastructure, Maintenance Tagged airfields, bearing capacity, fallwing weight deflectometer, friction, FWD, measurments, runways, taxiways Comments Off on VTI’s measurements make airfields safe
The risk of road accidents increases as more and more roads become polished
In recent years, there have been a number of serious road accidents due to motorists skidding off the road. The reason is believed to be that the country's roads are becoming increasingly smooth. VTI has investigated the cause of the problem in a pilot study. New designs of studded tyres, a rise...
Posted in Environment and Climate, Human Behaviour and Attitudes, Infrastructure, Maintenance, Passenger Transport, Safety, Traffic and Traffic Control, Vehicles Tagged SBUF, swedish construction industry, swedish transport administration Comments Off on The risk of road accidents increases as more and more roads become polished
Comparison between IRI from connected cars and IRI from profilometer
Olle Eriksson, Peter Andrén and Thomas Lundberg, VTI, have carried out an evaluation of roughness measurements from connected vehicles. The quality of the roughness data is determined by comparing the estimated IRI (International Roughness Index) from the connected vehicles with the IRI measured...
Posted in Maintenance Tagged International Roughness Index, IRI, measurements, Roughness Comments Off on Comparison between IRI from connected cars and IRI from profilometer
Megatrends are shaping future streets
The streets of the future have high demands to meet, in terms of both technical design and construction. Researchers from the Swedish National Road and Transport Research Institute (VTI) are looking for smart solutions to meet four megatrends: Urbanisation, digitalisation, electrification and...
Posted in Infrastructure, Maintenance Tagged infrastructure, multifunctional streets, road construction, smart streets Comments Off on Megatrends are shaping future streets
TRA VISIONS 2020
TRA VISIONS is a contest for young and senior researchers in the field of transport in Europe. It is organised every other year on behalf of the European Commission in connection with the Transport Research Arena (TRA) conference. VTI was a partner of the consortium that organised TRA VISIONS...
Posted in Cycling, Economics, Energy and Fuel, Environment and Climate, Flight, Freight Transport, Human Behaviour and Attitudes, Infrastructure, Intelligent Transport Systems, Maintenance, Passenger Transport, Policy and Planning, Safety, Simulation, Traffic and Traffic Control, Vehicles Tagged EU, European Commission, rail transport, TRA, TRA VISIONS, transport mode, Transport Research Arena Comments Off on TRA VISIONS 2020
Defining criteria that affect the importance and significance of cooperative road works warnings
Maintaining operability of the road network requires regular maintenance and improvement works, which can pose harm to traffic. A recent study produced background for an implementation and usage strategy for cooperative road works warnings in the Finnish road environment. Cooperative road works...
Posted in Maintenance, Traffic and Traffic Control Tagged C-ITS, cooperative systems, road works, warning systems Comments Off on Defining criteria that affect the importance and significance of cooperative road works warnings
Improved lighting for pedestrians and cyclists
Together with Lund University, researchers from VTI will study how outdoor lighting can improve the quality of walking and cycling trips at dusk and darkness. The end-product of the results will be recommendations for how footways and cycleways can be designed, maintained and illuminated in the...
Posted in Cycling, Human Behaviour and Attitudes, Maintenance Tagged behaviour, cycling, darkness, lighting, walking Comments Off on Improved lighting for pedestrians and cyclists
How vehicles can avoid accidents on newly paved roads
Friction is an important property for road safety. VTI has investigated how roads change in the first few weeks after surfacing work has been completed. Researchers recommend posting warning signs when the road is opened and waiting at least three weeks to measure the friction of the road. A few...
Posted in Maintenance, Safety Tagged friction, measurements, newly paved roads, road safety, surfacing Comments Off on How vehicles can avoid accidents on newly paved roads
Business ecosystem of vehicular road condition information
In the WiRMa- (Industrial Internet Applications in Winter Road Maintenance) project, new vehicular road condition data observation methods are tested and studied. Such novel innovations and services require working business models and commitment of the business actors. A recent master’s thesis...
Posted in Maintenance Tagged vehicular RWIS, weather, winter maintenance, winter road maintenance, WiRMa Comments Off on Business ecosystem of vehicular road condition information
Safety is key when Finns choose winter tyres
VTT Technical Research Centre of Finland Ltd. investigated motorists’ criteria for winter tyre choices. The results of a nationwide survey showed that traction on ice was the most crucial tyre feature, especially for motorists using studded tyres, whereas for users of studless winter tyres, the...
Posted in Maintenance, Vehicles Tagged winter tyres Comments Off on Safety is key when Finns choose winter tyres