Trafikledning för bättre miljö

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Road traffic is the most important source of many air pollutants in Sweden. Environment Quality Standards which prescribe acceptable air quality have been, or will be, introduced within the current decade. Due to the environmental influence of road traffic there is a significant possibility to use traffic management measures in order to reduce the negative environmental effects of traffic. Efficient design of such measures demands models and methods for estimation of the resulting air quality.

This report presents the state of the art in environmentally based traffic management. The work includes a description of the environmental consequences of road traffic and coming air quality standards. Further more, models for estimation of the environmental impact of traffic are presented along with examples of possible traffic management measures for a sustainable environment.

Today's airquality estimation systems are used mostly in pollution level controlapplications. Air quality based traffic management may need a more detaileddescription of traffic related pollutants. Moreover, the possibility for lessnegative environmental impact through traffic management in Sweden is notclear. Finally, the question of how to choose between a possible improvementof the environment and other costs needs further investigation. 

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