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Exhaust emission variations for short engine stops and driving time for petrol cars with and without catalyst
2002-12-18
Publication. Extra exhaust emissions after short, 10 to 60 minutes, engine stops appear not to approach zero linearly as the stop time goes to zero. Particularly large deviations are those of nitrogen oxides and particulates for cars without as well as with catalyst.... Read more... »
Road and street sweeping as a measure against high particle concentrations caused by road dust
2002-12-09
Publication. Dusting from roads is to a high degree considered a problem among municipalities and road authorities but a majority of environmental directors do not regard it as a problem.The knowledge about the contribution of road dust to inhalable particles and assumed... Read more... »
Drivers with disabilities – their cars, driving habits and safety
2002-12-05
News. The car is very important for the independent mobility of disabled persons; the car considerably increases their quality of life. The importance of the car can be seen in its predominance as transport mode. Among the disabled persons who took part in the VTI... Read more... »
Out-of-town hypermarkets or local food stores? Purchasing behaviour and choice of stores in southern Stockholm
2002-11-22
Publication. A majority of the individuals prefer to make most of their grocery shopping in local food stores.Individuals living in the same residential area have different preferences about the demanded level of retailing service in the local surroundings. Some prefer... Read more... »
The vulnerability of the railway transport system
2002-11-15
Publication. Between 8 January 2001 and 10 August 2002 65 incidents was reported of on the National Swedish Rail Administration’s track systems that have led to traffic interruptions for some period of time or caused trains to be cancelled. This amounts to 0.11 events a... Read more... »
Fatigued drivers in focus
2002-11-15
Publication. The most common fatigue related accident is the single vehicle accident. During 1994–2001 3 % of all single vehicle accidents, reported to the police in Sweden, were fatigue related. This is almost certainly an underestimation. During discussions within focus... Read more... »
Demonstration project in the Mälardalen Region. The results of investigations in five towns in 2000/2001
2002-09-20
Publication. The Mälardalen Region of the Swedish National Road Administration commissioned VTI to investigate the effects of measures taken on six streets in the five towns of Enköping, Flen, Katrineholm, Västerås and Örebro (two streets).The aim is that the sections of... Read more... »
Analysis of traffic accidents before and after resurfacing measures. Resurfacing years 1997 and 1998 in Region West of the Swedish National Road Administration
2002-09-13
Publication. This is the third study of the effects on traffic accidents of resurfacing measures that Region West of the Swedish National Road Administration has commissioned. All three have been carried out as before-and-after studies with two years before and two years... Read more... »
Vehicle control and drowsiness
2002-09-12
Publication. It is known that drivers' drowsiness and fatigue is accompanied by deteriorated vehicle control. Albert Kircher, VTI, and Marcus Uddman and Jesper Sandin, Virtual Technology, have investigated which factors are possible to use for the prediction and detection... Read more... »
Choice of Travel Mode in Winter
2002-06-24
Publication. Three of five answered in a questionnaire that they rather often, almost always or always were walking or going by car during winter. Responding for cycling and going by bus was one of four. Slippery road condition was the main reason why most changed travel... Read more... »

News archive

Exhaust emission variations for short engine stops and driving time for petrol cars with and without catalyst

Road and street sweeping as a measure against high particle concentrations caused by road dust

Drivers with disabilities – their cars, driving habits and safety

Out-of-town hypermarkets or local food stores? Purchasing behaviour and choice of stores in southern Stockholm

The vulnerability of the railway transport system

Fatigued drivers in focus

Demonstration project in the Mälardalen Region. The results of investigations in five towns in 2000/2001

Analysis of traffic accidents before and after resurfacing measures. Resurfacing years 1997 and 1998 in Region West of the Swedish National Road Administration

Vehicle control and drowsiness

Choice of Travel Mode in Winter

EPAM 2012

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