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Ghost riders - Literature study about measures and effects

Authors: Michael Wøhlk Jæger Sørensen
Report nr: 1532/2016
ISBN (digital version): 978-82-480-1785-1
Language: Danish
Attachments Hele rapporten
Sammendrag

Wrong-way driving (WWD) is the act of driving a motor vehicle against the direction of traffic on a freeway/divided highway. WWD accidents are rare but often severe. This report is about WWD measures focusing on road measures, and is based on a literature survey of over 100 publications from 13 countries. Many measures are likely to contribute to reduce WWD, but it difficult to quantify the size of these effects. Geometric changes, packages with several road measures, combination of road- and other measures and measures adapted for the specific location seem to have a particularly good effect. Measures against WWD include inexpensive road signs and markings, more expensive ITS measures and geometrical changes and very expensive reconstruction. Because of few and random WWD accidents, measures at individual sites will rarely be cost effective in comparison to other type of road safety initiatives.

      

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