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Vehicle fires in Norwegian road tunnels 2008-2015

Authors: Tor-Olav Nævestad, Karen Ranestad, Beate Elvebakk, Sunniva Frislid Meyer
Report nr: 1542/2016
ISBN: 978-82-480-1828-5
ISBN (digital version): 978-82-480-1821-6
Language: Norwegian
Attachments Summary
Full report

There are more than 1100 road tunnels in Norway. The report maps and describes characteristics of fires in Norwegian road tunnels in the period 2008-2015. The study uses the following sources: 1) The electronic records of the Norwegian road traffic centrals, 2) road traffic central operators, 3) employees of the Norwegian Public Roads Administration working with road tunnel safety, 4) fire services, and 5) news archives. The average number of fires in Norwegian road tunnels per year is 23,5 per 1134 tunnelkm. The average number of smoke without fire is 14,4 per year per 1134 tunnelkilometres. Subsea tunnels are overrepresented among vehicle fires in Norwegian tunnels, and heavy vehicles (>3,5 t) seem, in turn, overrepresented in subsea tunnel fires. Technical problems seem to be the most frequent cause of these fires.


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