Author(s)

J.M. Baldasano Recio

Abstract

This paper analyses the road urban transport systems as source of CO, NO* and VOC as well as their influence on the whole emissions of these pollutants into the atmosphere. The case of Barcelona city is studied in the period from 1990 - 1993. In this period, the construction of a ring road to the city permits to make in evidence the repercussion of this type of urban transport infrastructure in the quantity of air pollutants emitted, following the change in traffic pattern. 1 Introduction Over the last few decades air pollution has become a major problem throughout the world. Urban and industrial areas have suffered most, with the incr

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