Category Archives: Traffic and Traffic Control

The risk of road accidents increases as more and more roads become polished

Posted on February 21, 2023 by nradmin
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...

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Board games help improve self-driving buses

Posted on November 23, 2022 by nradmin
Serious Games are games created primarily for a purpose other than entertainment. The CATAPULT research project uses board games and maps to rethink self-driving vehicles and the future of public transport. The games provide interesting insights, according to the first Swedish test participants...

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Literature study on practical impacts of driving automation on traffic flow efficiency and emissions

Posted on September 26, 2022 by nradmin
Marketing and media have raised high expectations towards automated vehicles lowering road traffic emissions and improving efficiency, in addition to safety benefits. However, there is little evidence yet exists to support these claims, as found in a recent literature study. Kehä 3 - E18,...

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No easy task for advanced driver assistance systems to read road markings correctly

Posted on June 27, 2022 by nradmin
It is not always easy for advanced driver assistance systems to read road markings. Sunshine, shadows and rain are just some of the factors that can affect readability. The systems are also occasionally confused by longitudinal cracks. VTI researcher Sara Nygårdhs is project manager for...

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VTI train simulator on tour

Posted on June 20, 2022 by nradmin
The VTI train simulator was included in a research study during which train drivers were able to try out new designs of the European Rail Traffic Management System (ERTMS) signalling system. The aim is to create optimal signalling projects combined with the best possible work environment for the...

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Study of infrastructure support and classification for automated driving on Finnish motorways

Posted on March 16, 2022 by nradmin
Finnish Transport Infrastructure Agency set a project to assess the feasibility of Finnish motorway section between Helsinki and Tampere on E12 highway for operation of SAE Level 3-4 automated vehicles, to propose a framework for service level classification for them and to prepare a proposal for...

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The future: Three trends dominate VTI’s research

Posted on December 10, 2021 by nradmin
In the next few decades, much of VTI’s research will revolve around three major trends in the technological development of the transport system: electrification, automation and digitalisation. “All three areas are very important, but electrification is the most crucial thing. It’s the key...

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Automated shuttles tested in regular urban traffic

Posted on September 21, 2021 by nradmin
Unexpected and abrupt stops of the shuttles, other road users dangerously overtaking or not giving way to the shuttles, and crucial technological and software challenges related to road safety were identified. The successful full implementation of automated shuttles in regular traffic will not...

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Autonomous buses tested in real traffic in Oslo

Posted on April 19, 2021 by nradmin
Ruter's autonomous buses successfully handled interaction with traffic lights and other road users, but there are still challenges that must be solved before autonomous buses can be an effective actor in city traffic. In a recent study TØI researchers have tested self-driving buses in more...

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TRA VISIONS 2020

Posted on December 7, 2020 by nradmin
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...

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