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The Effect of Metro Expansions on Air Pollution in Delhi

Deepti Goel () and Sonam Gupta

The World Bank Economic Review, 2017, vol. 31, issue 1, 271-294

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. We analyze whether the DM led 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 PM2.5 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 Pollution; Delhi Metro; Urban Transport (search for similar items in EconPapers)
JEL-codes: Q5 R4 (search for similar items in EconPapers)
Date: 2017
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Working Paper: The effect of metro expansions on air pollution in Delhi (2015) Downloads
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