Category Archives: Traffic and Traffic Control

Palm Distribution of Road Conditions and its Application in Incident Risk Analysis

Posted on March 1, 2016 by nradmin
Traffic accidents can be caused by different factors. By analysing these factors a method for incident risk management can be developed. This method can be used by traffic management centres to proactively reduce traffic incidents. In two previous studies a method to apply the Palm distribution...

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Better Traffic Flow with Adaptable Speed Bumps

Posted on October 16, 2014 by nradmin
More alternatives are emerging that lack the downsides of permanent speed bumps. VTI has examined the types of available dynamic speed bumps and assessed which could suit the Nordic climate. An alternative speed bump can be either passively or actively dynamic. Passively dynamic speed bumps are...

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Criteria for Closing Mountain Passes Based on Friction Measurement and Crosswind

Posted on April 7, 2014 by nradmin
In 2006 there was a bus accident on a mountain pass in Norway called Dovrefjell. There was strong wind combined with ice covered road. As a result of this very strong crosswind and the slippery conditions the bus lost the grip on the front wheels and the driver couldn’t control the bus. The bus...

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