Driving Restrictions That Work? Quito's Pico y Placa Program

Paul Carrillo, Arun S. Malik () and Jiseon Yoo
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Arun S. Malik: Department of Economics/Institute for International Economic Policy, George Washington University
Jiseon Yoo: Department of Economics/Institute for International Economic Policy, George Washington University

Working Papers from The George Washington University, Institute for International Economic Policy

Abstract: Programs to reduce tra¢ c congestion and air pollution by restricting use of motor vehicles on working days have generally not met with success given existing studies of such programs in a number of cities. We conduct the Örst study of Quito, Ecuadorís three-year-old Pico y Placa program and Önd that it has reduced ambient concentrations of carbon monoxide (CO), a pollutant primarily emitted by vehicles, by 9-11% during peak tra¢ c hours. During an extended daytime period that encompasses hours when population exposure to air pollution is likely to be highest, CO concentrations have been reduced by approximately 6%. Given that ambient concentrations of CO generally track the spatial and temporal distributions of tra¢ c, these reductions in pollution suggest similar reductions in vehicle áows.

Keywords: Forecasting; driving restrictions; traffic congestion; air pollution; difference-in-differences (search for similar items in EconPapers)
JEL-codes: C31 C54 D62 Q53 R41 (search for similar items in EconPapers)
Pages: 49 pages
Date: 2013-01
New Economics Papers: this item is included in nep-ene, nep-env, nep-tre and nep-ure
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Citations: View citations in EconPapers (3)

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Related works:
Journal Article: Driving restrictions that work? Quito's Pico y Placa Program (2016)
Journal Article: Driving restrictions that work? Quito's Pico y Placa Program (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:gwi:wpaper:2013-1

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