| Authors: | Arild Ragnøy |
| Report nr: | 784/2005 |
| ISBN: | 82-480-0528-3 |
| ISBN (digital version): | 82-480-0529-1 |
| Language: | English |
| Attachments | Summary Full report Sammendrag |
In the autumn of 2001, speed limits were lowered from 90 km/h to 80 km/h and from 80 km/h to 70 km/h on hazardous road sections in Norway. These road sections had been identified as having a high number of fatal or serious injury accidents per kilometre of road. This report presents an evaluation of the effects of these changes in speed limits on speed and accidents.
It is concluded that lowering the speed limit from 80 km/h to 70 km/h has successfully reduced both speed (-2,1 km/h to -4,1 km/h), the number of injury accidents (-14%) and the number of injured road users (-23% to -35%).
The effects of lowering the speed limit from 90 km/h to 80 km/h are less clear. A reduction in speed has been found (-1,6 km/h to -2,8 km/h). Overall, no reduction in the number of accidents or injured road users has been found.
