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Ecological User Equilibrium in Traffic Management (TM)?

Behrisch, Michael and Flötteröd, Yun-Pang and Krajzewicz, Daniel and Wagner, Peter (2012) Ecological User Equilibrium in Traffic Management (TM)? Other. Institut für Verkehrssystemtechnik. (Unpublished)

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With increasing environmental sustainability awareness significant attention on ecological traffic management (eco-TM) has come into the focus of researchers and practitioners. While different approaches have been applied to reach minimal pollutant production, the classic user equilibrium calculation with the pollutant production as travel costs instead of using travel times remains in the center of attention. However, the validity of such a direct transformation to find a user equilibrium is questionable. In this paper, a simplified analytical approach to examine the above aforementioned validity has been carried out, followed by a simulation approach to verify the results of the analytical approach. The result shows that the pollutant production function violates the usual assumption of a monotonous function (typically, emission has a minimum at travel speeds around 60 km/h). It also indicates that the respective algorithms to compute the user equilibrium must deal with the fact, that the equilibrium solution is not unique and is dependent on the initial solution. This means that substantial modifications to the algorithms that compute the user equilibrium have to be discussed since they do not work as intended when pollutant production is used as travel costs, especially in a transportation system with mixed speeds that cover a range around the minimum emission speed.

Item URL in elib:https://elib.dlr.de/76186/
Document Type:Monograph (Other)
Additional Information:Der Eintrag wurde auf der DTA 2012 vorgestellt.
Title:Ecological User Equilibrium in Traffic Management (TM)?
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Behrisch, Michaelmichael.behrisch (at) dlr.deUNSPECIFIED
Flötteröd, Yun-Pangyun-pang.floetterod (at) dlr.deUNSPECIFIED
Krajzewicz, Danieldaniel.krajzewicz (at) dlr.deUNSPECIFIED
Wagner, Peterpeter.wagner (at) dlr.deUNSPECIFIED
Date:20 February 2012
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:ecological traffic management, traffic simulation, user equilibrium
Institution:Institut für Verkehrssystemtechnik
Department:Abteilung Verkehrsmanagement
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - VABENE (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Transportation Systems > Traffic Management
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Deposited By: Flötteröd, Dr.-Ing. Yun-Pang
Deposited On:08 Aug 2012 09:22
Last Modified:31 Jul 2019 19:36

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