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Macroscopic modeling of variable speed limits on freeways

D. Frejo, José Ramón, Papamichail Ioannis, Papageorgiou Markos, Schutter, Bart de

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/120300F2-713A-4FC0-BB42-B0ECDEF371E5-
Αναγνωριστικόhttps://doi.org/10.1016/j.trc.2019.01.001-
Αναγνωριστικόhttps://www.sciencedirect.com/science/article/pii/S0968090X18303310-
Γλώσσαen-
Μέγεθος19 pagesen
ΤίτλοςMacroscopic modeling of variable speed limits on freewaysen
ΔημιουργόςD. Frejo, José Ramónen
ΔημιουργόςPapamichail Ioannisen
ΔημιουργόςΠαπαμιχαηλ Ιωαννηςel
ΔημιουργόςPapageorgiou Markosen
ΔημιουργόςΠαπαγεωργιου Μαρκοςel
ΔημιουργόςSchutter, Bart deen
ΕκδότηςElsevieren
ΠερίληψηThe goals of this paper are to analyze the effects of Variable Speed Limits (VSLs) on freeway traffic flow, to propose a new macroscopic model for VSL, and to compare, calibrate and validate the most well known macroscopic models for VSL using real data from a stretch of the A12 freeway in The Netherlands. Firstly, a new macroscopic model for VSLs is presented, combining characteristics of previously proposed models, in order to have the capability of modeling different capacities, critical densities, and levels of compliance for segments affected by speed limits. Subsequently, the effects of VSLs on the fundamental diagram of traffic flow are studied concluding that, at least for the considered stretch of the A12 freeway, the capacity of the freeway segment is decreased (and the critical density is increased) when the speed limit is reduced from 120 to 90 km/h. Furthermore, analyzing a wider range of VSLs, it is shown that the VSL-induced fundamental diagram is not triangular and that the speed limit compliance can be very low if enforcement measures are not applied. Finally, the proposed model is compared analytically, numerically, and graphically with the two most well-known macroscopic models for VSLs. The analysis and the simulation results show that the proposed model delivers more accurate predictions in cases where the compliance is low and/or the capacity is reduced by the use of VSLs.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2020-07-27-
Ημερομηνία Δημοσίευσης2019-
Θεματική ΚατηγορίαFreeway traffic controlen
Θεματική ΚατηγορίαMacroscopic traffic flow modelsen
Θεματική ΚατηγορίαMETANETen
Θεματική ΚατηγορίαModelingen
Θεματική ΚατηγορίαVariable speed limiten
Βιβλιογραφική ΑναφοράJ.R. D. Frejo, I. Papamichail, M. Papageorgiou and B. De Schutter, "Macroscopic modeling of variable speed limits on freeways," Transp. Res. Part C Emerg. Technol., vol. 100, pp. 15-33, Mar. 2019. doi: 10.1016/j.trc.2019.01.001en

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