A new macroscopic model for Variable Speed Limits

Jose Ramon D. Frejo; Ioannis Papamichail; Markos Papageorgiou; Bart De Schutter

doi:10.1016/j.ifacol.2018.07.056

A new macroscopic model for Variable Speed Limits

Jose Ramon D. Frejo, Ioannis Papamichail, Markos Papageorgiou, Bart De Schutter

Team Bart De Schutter

Research output: Contribution to journal › Conference article › Scientific › peer-review

9 Citations (Scopus)

91 Downloads (Pure)

Abstract

This paper proposes a new macroscopic model for Variable Speed Limits (VSLs), combining characteristics of previously proposed models, in order to have the capability of modeling different capacities, critical densities, and levels of compliance for links affected by speed limits. Moreover, 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 in The Netherlands, the capacity of a freeway link is decreased (and the critical density is increased) by reducing the value of the corresponding speed limit. Finally, 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.

Original language	English
Pages (from-to)	343-348
Journal	IFAC-PapersOnLine
Volume	51
Issue number	9
DOIs	https://doi.org/10.1016/j.ifacol.2018.07.056
Publication status	Published - 2018
Event	15th IFAC Symposium on Control in Transportation Systems - Savona, Italy Duration: 6 Jun 2018 → 8 Jun 2018 Conference number: 15 http://www.cts2018.unige.it/

Keywords

Freeway Traffic Control
Freeway Traffic Modeling
Variable Speed Limit

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10.1016/j.ifacol.2018.07.056

1-s2.0-S2405896318307791-mainFinal published version, 1.23 MB

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T1 - A new macroscopic model for Variable Speed Limits

AU - Frejo, Jose Ramon D.

AU - Papamichail, Ioannis

AU - Papageorgiou, Markos

AU - Schutter, Bart De

N1 - Conference code: 15

PY - 2018

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N2 - This paper proposes a new macroscopic model for Variable Speed Limits (VSLs), combining characteristics of previously proposed models, in order to have the capability of modeling different capacities, critical densities, and levels of compliance for links affected by speed limits. Moreover, 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 in The Netherlands, the capacity of a freeway link is decreased (and the critical density is increased) by reducing the value of the corresponding speed limit. Finally, 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.

AB - This paper proposes a new macroscopic model for Variable Speed Limits (VSLs), combining characteristics of previously proposed models, in order to have the capability of modeling different capacities, critical densities, and levels of compliance for links affected by speed limits. Moreover, 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 in The Netherlands, the capacity of a freeway link is decreased (and the critical density is increased) by reducing the value of the corresponding speed limit. Finally, 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.

KW - Freeway Traffic Control

KW - Freeway Traffic Modeling

KW - Variable Speed Limit

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A new macroscopic model for Variable Speed Limits

Abstract

Keywords

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