Estimation of Air Pollution Caused by Public Transport Yazd City

Today, urban sprawl and the desire for urbanization have increased the need for people to use transportation, and therefore, the existence of a safe, efficient and economical public transportation system, with the least bio-destructive effects, is a necessary step towards sustainable development. It seams the urban transport is one of the main areas of economic development; an issue that emphasizes the need for proper planning in the field of urban transportation. Therefore, this article has been compiled with the aim of investigating air pollution caused by public transport in Yazd city and estimating the pollution caused by them in this route.

The data required for this study were collected by refer to relevant organizations and also field visit of the drivers, then for estimation and analysis software Excel were used.

The results show that the traffic of public transport in the city of Yazd cause annual emissions of 306 tons of particulate matter, 730 tons of Hydrocarbons, 1,424 tons of carbon monoxide, 68,934 tons of carbon dioxide, 389 tons of sulfur dioxide and 4 tons of sulfur trioxide and 666 tons monoxide is nitrogen.

Rail transport is recommended as appropriate and practical way to improve the traffic situation in the city of Yazd, high efficiency velocity and efficiency of private vehicles and the costs and reduction of pollution is the benefits.