Within-day Traffic Assignment And Signal
Setting In Road Evacuation: A Procedure With
Explicit Path Enumeration
Author(s)
F. A. Marcianò, G. Musolino & A. Vitetta
Abstract
In the sphere of the SICURO research project, we propose a framework for
signal setting design of road intersections with explicit path enumeration. The
framework has two main components: an optimization procedure for signal
setting design and a within-day simulation procedure to capture effects of signal
setting modification on path choice behaviour. The paper describes the elements
of the simulation procedure and illustrates some disaggregate results obtained
from its application on an experimental test site.
Keywords: within-day traffic assignment, signal setting design, evacuation.
1 Introduction
Signalized intersections are critical points of a transport network. Signal setting
design is an effective strategy to increase network capacity and to mitigate
congestion in urban areas and with particular reference to emergency conditions.
However, signal setting design models in literature do not provide solutions that
take into account path choice behaviour and there are few examples of
development and application of signal setting design models in evacuation
conditions.
We represent the problem of signal setting design of intersections in a road
network as an optimization problem subject to equilibrium constraints. In other
words, travel demand flows must be consistent with travel times generated by
signal setting parameters.
Keywords
within-day traffic assignment, signal setting design, evacuation
Related Book
Other papers in this volume
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