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Title: Exploring multiple eco-routing guidance strategies in a commuting corridor
Author: Bandeira, Jorge M.
Fernandes, Paulo
Fontes, Tânia
Pereira, Sérgio Ramos
Khattak, Asad J.
Coelho, Margarida C.
Keywords: Eco-routing
Traffic management
Microscopic modeling
Issue Date: 2018
Publisher: Taylor & Francis
Abstract: The introduction of eco-routing systems has been suggested as a promising strategy to reduce carbon dioxide emissions and criteria pollutants. The objective of this study is to scrutinize the impacts of an eco-routing guidance system on emissions through the use of a case study in a commuting corridor. This research aims at assessing the potential environmental benefits in terms of different pollutant emissions. Simultaneously, it addresses the extent of variations in system travel time that each eco-routing strategy implies. The methodology consists of three distinct phases. The first phase corresponded to the adjustment of a micro simulation platform of traffic and emissions with empirical data previously collected. Secondly, volume-emission-functions (VEF) were developed based on the integrated modelling structure. Finally, different scenarios of traffic flow optimization were performed at the network level based on a simplified assignment procedure. The results show that if the traffic assignment is performed with the objective of minimize overall impacts, total system environmental damage costs can be reduced up to 9% with marginal oscillations in total system travel time. However, if drivers are advised based on their own emissions minimization, total system emissions may be higher than under the standard user equilibrium flow pattern. Specifically, environmentally friendly navigation algorithms focused on individual goals may tend to do divert traffic to roads with less capacity affecting the performance of the remaining traffic. This case study brings new insights about the difficulties and potentials of implementing such systems.
Peer review: yes
DOI: 10.1080/15568318.2017.1328545
ISSN: 1556-8318
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