Analysis And Comparison Of Several Urban Road Transportation Assignment Models In Emergency Conditions
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![M. Di ~ a n ~ i l ,
G. ~ u s o l i n o ~ ,
F. IXusso2,P. velona2i2 AA.
vitetta2
~ e ~ a r t m c n t
ojrlrchitecture, Planning uvzd Transport I11Ji-asfruclure,
University of Basilic'utu,Italy.
Departtnent OJConzputev Science, Muthematics, Electronics and
TF-uns]?ortalion,
hiPediterranea University of Reggio Calabria, Italy.
A large variety of models and procedures for road transpoi-tation system analysis
exists m literature. The paper presents a comparison among different modelling
approaches (pseudo dynamic, mcsoscop~c,
microscopic) for the simulation of a
road urban transportation system in emergency conditions.
Pseudo dynamic approach (derived frotn user equ~libriurn)can consider
stochastic or deterministic user behaviour in path choice and is able to provide
average values concerning traffic conditions.
The nlesoscopic represents traffic conditions on the network analysing groups of
drrvers having homogeneous behaviours, called "packets". It provides results
consistent with each packet.
According to the microscopic approach, it is possible to dynamically simulate
each driver's behaviour and the interactions among drivers, tracking explicitly the
space-time trajectory of each vehicle from origin to the destination.
The purpose of the research is to operate a comparative evaluat~on of
potentialities, limits and domain of application of each approaches An
application on a test case, given by a small urban transportation system, is
discussed, considering different demand and supply scenarios and a set of
evaluation indicators
Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525](https://image.slidesharecdn.com/analysisandcomparisonofseveralurbanroadtransportationassignmentmodelsinemergencyconditions-230806164119-a63416a4/85/Analysis-And-Comparison-Of-Several-Urban-Road-Transportation-Assignment-Models-In-Emergency-Conditions-1-320.jpg)
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Analysis And Comparison Of Several Urban Road Transportation Assignment Models In Emergency Conditions
- 1. M. Di ~ a n ~ i l , G. ~ u s o l i n o ~ , F. IXusso2,P. velona2i2 AA. vitetta2 ~ e ~ a r t m c n t ojrlrchitecture, Planning uvzd Transport I11Ji-asfruclure, University of Basilic'utu,Italy. Departtnent OJConzputev Science, Muthematics, Electronics and TF-uns]?ortalion, hiPediterranea University of Reggio Calabria, Italy. A large variety of models and procedures for road transpoi-tation system analysis exists m literature. The paper presents a comparison among different modelling approaches (pseudo dynamic, mcsoscop~c, microscopic) for the simulation of a road urban transportation system in emergency conditions. Pseudo dynamic approach (derived frotn user equ~libriurn)can consider stochastic or deterministic user behaviour in path choice and is able to provide average values concerning traffic conditions. The nlesoscopic represents traffic conditions on the network analysing groups of drrvers having homogeneous behaviours, called "packets". It provides results consistent with each packet. According to the microscopic approach, it is possible to dynamically simulate each driver's behaviour and the interactions among drivers, tracking explicitly the space-time trajectory of each vehicle from origin to the destination. The purpose of the research is to operate a comparative evaluat~on of potentialities, limits and domain of application of each approaches An application on a test case, given by a small urban transportation system, is discussed, considering different demand and supply scenarios and a set of evaluation indicators Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 2. 248 Environmental Health Risk Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 3. Environmental Health Risk 249 Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 4. 250 Environmental Health Risk Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 5. Environmental Health Risk 251 Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 6. 252 Environmental Health Risk Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 7. Environmental Health Risk 253 Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 8. 254 Environmental Health Risk Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 9. Environmental Health Risk 255 Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 10. 256 Environmental Health Risk Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 11. Environmental Health Risk 257 Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525
- 12. Transactions on Biomedicine and Health vol 7, Β© 2003 WIT Press, www.witpress.com, ISSN 1743-3525