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Winter Road Condition Model
Swedish National Road and Transport Research Institute.
2006 (English)Report (Other (popular science, discussion, etc.))
Abstract [sv]

The large-scale project, the Winter Model, will produce a model for assessing the most

important effects of changes in winter maintenance strategies and operations, and their

monetary value. The winter road condition model is the central part of the Winter Model.

The road condition model will characterize the state of a winter in terms of a road condition

description hour by hour. The road condition model provides input data for the other

models where different effects such as accident risk, travel time, fuel consumption and

environmental effects are assessed. In the first stage we intend to develop a model that

describes how road conditions are affected by weather, maintenance measures taken and

traffic on two lane rural roads with a width of 7-9 m and speed limit of 90 km/h. To a great

extent, the basis for developing the winter road condition model will be data already

collected from nine observation sites with the purpose of developing the accessibility

model. For several periods, data from these observation sites contain information hour by

hour regarding weather, traffic flow, initial road condition, maintenance measures taken

and specified types of road condition development mainly connected with snow ploughing

and anti-icing measures. Additional information, mostly development of ruts down to the

pavement in hard-packed snow or thick ice caused by vehicles with studded tyres, and the

mechanism for a wet or moist road to dry out, will be collected by field studies as from the

winter season 2002/2003.

Place, publisher, year, edition, pages
VTI., VTI notat 19A-2006 , 2006. 19-24 p.
VTI notat
Keyword [en]
Winter maintenance, Model, Data acquisition, Snow clearance, Gritting, Wet road
Research subject
Road: Maintenance, Road: Winter maintenance
URN: urn:nbn:se:vti:diva-1604OAI: diva2:670316
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2013-12-03

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Möller, Staffan
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