oa Civil Engineering = Siviele Ingenieurswese - Improving the urban environment by means of traffic engineering techniques
The transport sector of the economy has a substantial impact on the environment through the consumption of non-renewable liquid fuels and the production of gaseous and particulate emissions. Current trends in public attitudes combined with increasingly stringent fiscal constraints are likely to restrict the construction of new road transport facilities to a few isolated projects. The lack of new road capacity, in conjunction with future traffic growth, will increase congestion levels with a concomitant increase in fuel consumption and vehicle emissions. This paper investigates traffic engineering measures such as improvements to traffic signals and intersections, which can be implemented at relatively low cost, to reduce fuel consumption and vehicular emissions of the urban transport sector. An estimate is made of the potential national savings if the proposed measures are implemented in urban areas throughout the Republic.
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