Managing traffic flows for cleaner cities: the role of green navigation systems

Pérez Prada, Fiamma and Monzón de Cáceres, Andrés and Valdés, Cristina (2017). Managing traffic flows for cleaner cities: the role of green navigation systems. "Energies", v. 10 (n. 6); pp. 1-18. ISSN 1996-1073. https://doi.org/10.3390/en10060791.

Description

Title: Managing traffic flows for cleaner cities: the role of green navigation systems
Author/s:
  • Pérez Prada, Fiamma
  • Monzón de Cáceres, Andrés
  • Valdés, Cristina
Item Type: Article
Título de Revista/Publicación: Energies
Date: June 2017
Volume: 10
Subjects:
Freetext Keywords: eco-routing; green navigation; traffic emissions; climate change; air pollution; co-benefits; trade-offs; ICT; CO2; NOx
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ingeniería Civil: Transporte y Territorio
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Cities worldwide suffer from serious air pollution problems and are main contributors to climate change. Green Navigation systems have a great potential to reduce fuel consumption and exhaust emissions from traffic. This research evaluates the impacts of different percentages of green drivers on traffic, CO2, and NOx over the entire Madrid Region. A macroscopic traffic model was combined with an enhanced macroscopic emissions model and a GIS (Geographic Information Systems) to simulate emissions on the basis of average vehicle speeds and traffic intensity at the link level. NOx emissions are evaluated, taking into account not only the exhaust emissions produced by transport activity, but also the amount of the population exposed to these air pollutants. Results show up to 10.4% CO2 and 13.8% NOx reductions in congested traffic conditions for a 90% penetration of green drivers; however, the population´s exposure to NOx increases up to 20.2%. Moreover, while traffic volumes decrease by 13.5% for the entire region, they increase by up to 16.4% downtown. Travel times also increase by 28.7%. Since green drivers tend to choose shorter routes through downtown areas, eco-routing systems are an effective tool for fighting climate change, but are ineffective to reduce air pollution in dense urban areas.

Funding Projects

TypeCodeAcronymLeaderTitle
FP7288568ICT - EmissionsAndrés Monzón de CáceresDevelopment of a methodology and tools for assessing the impact of ICT measures in road transport emissions

More information

Item ID: 48521
DC Identifier: http://oa.upm.es/48521/
OAI Identifier: oai:oa.upm.es:48521
DOI: 10.3390/en10060791
Official URL: http://www.mdpi.com/1996-1073/10/6/791
Deposited by: Memoria Investigacion
Deposited on: 20 Nov 2017 16:12
Last Modified: 20 Nov 2017 16:12
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