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conference paper not in proceedings

Dynamics of Lane Distribution Flows in Freeways

Samoili, Sofia  
•
Geroliminis, Nikolaos  
•
Dumont, André-Gilles  
2013
13th Swiss Transport Research Conference

Lane density and lane flow distribution are utilised in the current study as characteristics of traffic dynamics for control and planning purposes in freeways with ITS systems. As part of an on-going research, the Lane Flow Distribution Ratio (LFDR) and the Lane Density Distribution Ratio (LDDR) were introduced as main scalability factors for congestion evolution estimation. The preliminary exploratory analysis from LFDR, LDDR, traffic and spatiotemporal parameters along with link fundamental diagrams, indicated dependence between lane vehicle allocation and impending congestion emergence, in terms of traffic levels. This led to a partial parameterisation of driver’s behaviour during peak hours, that was studied in several contexts, namely at mainline, on-ramp and off-ramp locations. The assessment of the developed model was conducted based on observations derived from a freeway site in California. The site is operating during peak hours with high congestion level. Further on this approach, decision thresholds for a number of ITS policies could be derived, to adapt accordingly to control policies (eg. hard shoulder operation, VSL, ramp metering).

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Type
conference paper not in proceedings
Author(s)
Samoili, Sofia  
•
Geroliminis, Nikolaos  
•
Dumont, André-Gilles  
Date Issued

2013

Subjects

Hysteresis

•

lane flow distribution

•

lane density distribution

•

congestion evolution

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LAVOC  
LUTS  
Event nameEvent placeEvent date
13th Swiss Transport Research Conference

Monte Verita, Ascona, Switzerland

April 24-26, 2013

Available on Infoscience
March 17, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/101877
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