ASSESSMENT OF THE NOISE QUALITY EFFECTS OF PEDESTRIANIZATION ON TEHRAN’S HISTORIC CITY CENTER AND ITS SUSTAINABLE DEVELOPMENT

چکیده مقاله

The built environment and consequently vehicular transport has a significant impact on public health and environmental quality. Also vehicular transport as an impact of built environment is one of the most important source for environmental decay such as noise pollution in city centers. So, one of the transport schemes like pedestrianization can have a significant impact on environmental quality and improve noise pollution condition. This paper shows, to what extent the built environment and implementation of pedetrianization scheme has influence on reducing noise pollution level at Tehran’ city center.
The high density land development, land use mix, connected street networks and retail floor area ratio can promote physical activity and decrease emissions of air pollutants. But also increased compactness, can increase traffic congestion and exposure of harmful emissions within central areas and increase noise pollution level. Built environment can reduce trip rates, through three principal dimensions, density, land use diversity and pedestrian-oriented designs and encourage people to non-auto travel which this finally lead to increase walkability and reduce air and noise pollution. Therefore, strategies to promote air quality in city centers are required to enable larger health benefits.

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