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dc.contributor.author
Martínez Josemaría, Irene
dc.date.accessioned
2017-06-11T16:17:10Z
dc.date.available
2017-06-11T16:17:10Z
dc.date.issued
2014
dc.identifier.uri
http://hdl.handle.net/20.500.11850/98365
dc.description.abstract
The objective of this thesis is to understand the influence of dynamic speed limits on flow rates and lane changing activity through empirical data recorded in a highway entering Barcelona. The thesis also aims to establish a better understanding of highway homogenization across lanes due to different speed limits. To that end, data of three different days under different speed limit conditions will be examined by looking at standard traffic diagrams and using various traffic tools, such as the identification of congested states and the definition of stationary periods. The main conclusions are that variable speed limits do not modify the highway capacity, but the critical occupancy, by shifting it to significantly higher occupancy rates. This contradicts previous research and shows the misuse of dynamic speed limits for mainline metering. Additionally, lane changing activity has been proved to be extremely high during congestion. However, the analyzed data does not allow an exhaustive understanding of lane changing activity for congested conditions. For uncongested states a relation between occupancy and lane changing rates has been assessed. Finally it motivates further research in these subjects.
dc.language.iso
en
dc.publisher
IVT, ETH Zürich
dc.title
Effects of freeway traffic homogeneity on lane changing activity: The role of dynamic speed limits
dc.type
Bachelor Thesis
ethz.size
52 p.
ethz.notes
.
ethz.publication.place
Zürich
ethz.publication.status
published
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02610 - Inst. f. Verkehrspl. u. Transportsyst. / Inst. Transport Planning and Systems::08686 - Gruppe Strassenverkehrstechnik
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02100 - Dep. Architektur / Dep. of Architecture::02655 - Netzwerk Stadt und Landschaft D-ARCH::02226 - NSL - Netzwerk Stadt und Landschaft / NSL - Network City and Landscape
*
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02100 - Dep. Architektur / Dep. of Architecture::02655 - Netzwerk Stadt und Landschaft D-ARCH
*
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02610 - Inst. f. Verkehrspl. u. Transportsyst. / Inst. Transport Planning and Systems::08686 - Gruppe Strassenverkehrstechnik
ethz.date.deposited
2017-06-11T16:17:48Z
ethz.source
ECIT
ethz.identifier.importid
imp593652f36c64016644
ethz.ecitpid
pub:153826
ethz.eth
yes
ethz.availability
Metadata only
ethz.rosetta.installDate
2017-07-18T08:58:28Z
ethz.rosetta.lastUpdated
2018-11-02T18:25:15Z
ethz.rosetta.versionExported
true
ethz.COinS
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