The Effect of Metro Expansions on Air Pollution in Delhi

72 Pages Posted: 20 Apr 2016

See all articles by Deepti Goel

Deepti Goel

School of Arts and Sciences, Azim Premji University

Sonam Gupta

IMPAQ International LLC

Date Written: October 19, 2015

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

Suggested Citation

Goel, Deepti and Gupta, Sonam, The Effect of Metro Expansions on Air Pollution in Delhi (October 19, 2015). World Bank Policy Research Working Paper No. 7448, Available at SSRN: https://ssrn.com/abstract=2676417

Deepti Goel (Contact Author)

School of Arts and Sciences, Azim Premji University

Sarjapur
Undergraduate Campus
Bangalore, 562125
India

Sonam Gupta

IMPAQ International LLC

1325 G Street, NW
Suite 900
Washington, DC 20005
United States

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