Category Archives: Traffic and Traffic Control

VTI launches new maritime research

VTI’s ambition is to create cohesive maritime research in areas such as transport economics, logistics, environment, behavioural science, and navigation. One current assignment concerns the validation of research in a major international EU-project, Sea Traffic Management. VTI’s maritime...

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Impacts of connected and automated driving on national road authorities’ policy targets

The main purpose of this article is to summarize state of the art on the impacts of connected and automated driving (CAD) on travel demand, travel behavior, traffic flow, safety and energy (reported in MANTRA deliverable D3.1). The review is based on ongoing and recently completed EU and national...

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How to make autonomous vehicles coexist with other traffic

The road infrastructure must be prepared for self-driving vehicles – especially in the beginning when the concepts are still new. Researchers are contributing to this through CoEXist, an EU-funded research project in which VTI participates as the largest partner. The gap between the rapid...

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Highway middle barriers substantially increase road safety

VTT Technical Research Centre of Finland investigated the safety effects of middle barriers on non-motorway highways in Finland. The results indicate that highway middle barriers greatly improve road safety and are particularly effective at reducing fatal accidents, with four in five such accidents...

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Experiences from automated enforcement in urban areas

Enforcement on the Finnish street network is facilitated by the police force’s latest surveillance equipment, which is better suited to urban environments. Speed control and combined speed and red light enforcement seem to improve road safety on the street network. Red-light enforcement alone is...

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Accident risks of different weather conditions

According to a recent study, poor weather conditions increase the accident risk more on motorways compared to two-lane and multiple-lane roads. The study analysed the accident risk from a single drivers’ point of view and the relative accident risk was related to the time spent on the road...

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Pioneering research on bicycles

Under what circumstances might cyclists lose tyre grip? What actions could then be taken to prevent a crash? The Swedish National Road and  Transport Research Institute is currently developing a theoretical model of the behaviour of bicycle tyres during braking and steering in different...

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Nordic capitals are prioritising pedestrians

Street with people in Stockholm
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...

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Dense automatic speed enforcement effectively reduces speeding

Car passing an automatic speed camera
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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Collaborative Approach for Better Mobility Solutions

The TEAM project (Tomorrow’s Elastic Adaptive Mobility, 2012-2016), co-funded by the European Commission, created building blocks for connected and collaborative mobility. Eleven applications were developed for travellers and traffic management professionals to enable better mobility solutions....

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