Emergence of an Urban Traffic Macroscopic Fundamental Diagram

Abhishek Ranjan; Mogens Fosgerau; Erik Jenelius

doi:10.2139/ssrn.3368075

Emergence of an Urban Traffic Macroscopic Fundamental Diagram

Abhishek Ranjan, Mogens Fosgerau, Erik Jenelius

Abstract

This paper examines mild conditions under which a macroscopic fundamen-tal diagram (MFD) emerges, relating space-averaged speed to occupancy in some area. These conditions are validated against empirical data. We allow local speed-occupancy relationships and, in particular, require no equilibrating process to be in operation. This means that merely observing the stable relationship between the space-averages of speed, flow and occupancy are not sufficient to infer a robust relationship and the emerging MFD cannot be guaranteed to be stable if traffic interventions are implemented.

Original language	English
Journal	SSRN Electronic Journal
DOIs	https://doi.org/10.2139/ssrn.3368075
Publication status	Published - 8 May 2019

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title = "Emergence of an Urban Traffic Macroscopic Fundamental Diagram",

abstract = "This paper examines mild conditions under which a macroscopic fundamen-tal diagram (MFD) emerges, relating space-averaged speed to occupancy in some area. These conditions are validated against empirical data. We allow local speed-occupancy relationships and, in particular, require no equilibrating process to be in operation. This means that merely observing the stable relationship between the space-averages of speed, flow and occupancy are not sufficient to infer a robust relationship and the emerging MFD cannot be guaranteed to be stable if traffic interventions are implemented.",

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AU - Jenelius, Erik

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N2 - This paper examines mild conditions under which a macroscopic fundamen-tal diagram (MFD) emerges, relating space-averaged speed to occupancy in some area. These conditions are validated against empirical data. We allow local speed-occupancy relationships and, in particular, require no equilibrating process to be in operation. This means that merely observing the stable relationship between the space-averages of speed, flow and occupancy are not sufficient to infer a robust relationship and the emerging MFD cannot be guaranteed to be stable if traffic interventions are implemented.

AB - This paper examines mild conditions under which a macroscopic fundamen-tal diagram (MFD) emerges, relating space-averaged speed to occupancy in some area. These conditions are validated against empirical data. We allow local speed-occupancy relationships and, in particular, require no equilibrating process to be in operation. This means that merely observing the stable relationship between the space-averages of speed, flow and occupancy are not sufficient to infer a robust relationship and the emerging MFD cannot be guaranteed to be stable if traffic interventions are implemented.

UR - http://www.mendeley.com/research/emergence-urban-traffic-macroscopic-fundamental-diagram

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DO - 10.2139/ssrn.3368075

M3 - Journal article

JO - SSRN Electronic Journal

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Emergence of an Urban Traffic Macroscopic Fundamental Diagram

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