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Effekt av vinterdäcklagen på däckanvändning och olyckor
Swedish National Road and Transport Research Institute.
Swedish National Road and Transport Research Institute.
Swedish National Road and Transport Research Institute.
2002 (Swedish)Report (Other (popular science, discussion, etc.))
Abstract [sv]

The aim of this project is to arrive at a preliminary indication of how the

use of tyres and traffic safety

were changed when the Law on winter tyres was in force; this Law directs that

cars, light lorries and

buses, of a total weight not exceeding 3.5 tonnes, shall during the period 1

December-31 March, when

travelling on a road, be fitted with winter tyres or similar equipment when

winter road conditions prevail.

This Law came into force on 1 December 1999.

The use of tyres was investigated at parking sites in Östergötland. Apart

from the type of tyre (summer

tyres/winter tyres without studs/winter tyres with studs), the year of

manufacture, tread depth and stud

protrusion were also noted.

The traffic safety effect of the use of different tyres cannot be

investigated directly since information

concerning tyres is not included in accident data. The effect was therefore

investigated by comparing two

winters before the introduction of the Law with two winters when the

requirement concerning winter

tyres was in force. In order to reduce the influence of other changes,

control areas were used. In the north

of Sweden, practically all cars had winter tyres before the Law. There should

therefore be only a small

change in tyre use. Northern Sweden can therefore be used as a control area.

In order that there should

also be a control area in the south, a request was made to Denmark, where

there had also been no change

in tyre use, if it would be possible to utilise data from there. In order

that the effect of the Tyre Law

should be further elucidated, the roads in Sweden where a special winter

speed limit was in force during

the period concerned were also excluded. Southern Sweden up to a line to the

north of the counties of

Bohuslän and Uppland was therefore used as test areas.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut., VTI rapport 479 , 2002.
VTI rapport, ISSN 0347-6030
Keyword [en]
Swedish, Sweden, Studded tyre, Traffic regulations, Before and after study, Winter, Accident rate, Tyre, Quality, Use, Wear, Icy road
Research subject
Road: Vehicles and vehicle technology, Road: Components of the vehicle; Road: Traffic safety and accidents, Road: Traffic law enforcement; Road: Traffic safety and accidents
URN: urn:nbn:se:vti:diva-6351OAI: diva2:675227
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2013-12-03

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Öberg, GudrunVelin, HansWiklund, Mats
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