The effect of metro expansions on air pollution in Delhi

Deepti Goel () and Sonam Gupta

No 7448, Policy Research Working Paper Series from The World Bank

Abstract: The Delhi Metro (DM) is a mass rapid transit system serving the National Capital Region of India. It is also the world?s first rail project to earn carbon credits under the Clean Development Mechanism of the United Nations for reductions in CO2 emissions. Did the DM also lead to localized reduction in three transportation source pollutants? Looking at the period 2004?2006, one of the larger rail extensions of the DM led to a 34 percent reduction in localized CO at a major traffic intersection in the city. Results for NO2 are also suggestive of a decline, while those for PM25 are inconclusive due to missing data. These impacts of pollutant reductions are for the short run. A complete accounting of all long run costs and benefits should be done before building capital intensive metro rail projects.

Keywords: Air Quality&Clean Air; Pollution Management&Control; Transport Economics Policy&Planning; Climate Change Mitigation and Green House Gases; Brown Issues and Health (search for similar items in EconPapers)
Date: 2015-10-19
New Economics Papers: this item is included in nep-ene, nep-env, nep-ppm and nep-tre
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Citations: View citations in EconPapers (5)

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Related works:
Journal Article: The Effect of Metro Expansions on Air Pollution in Delhi (2017)
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