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Analysis of the Impact of Variable Speed Limits on Environmental Sustainability and Traffic Performance in Urban Networks

Bassel Othman 1 Giovanni De Nunzio 1 Domenico Di Domenico 2 Carlos Canudas-De-Wit 3 
3 DANCE - Dynamics and Control of Networks
Inria Grenoble - Rhône-Alpes, GIPSA-PAD - GIPSA Pôle Automatique et Diagnostic
Abstract : This work focuses on evaluating the potential of variable speed limits (VSLs) in a synthetic urban network to improve both environmental sustainability and traffic performance. The traffic system is modeled using the microscopic traffic simulator SUMO, and a physical fuel consumption and NOx emission model is used to assess the vehicles' energy efficiency. Speed limits are controlled through a nonlinear model predictive control (NMPC) approach, in which the traffic evolution and fuel consumption are respectively predicted with a macroscopic traffic model, namely the cell transmission model (CTM), and a pre-calibrated artificial neural network (ANN). The results reveal that in transient phases between different levels of congestion, the proposed eco-VSL controller is faster to decongest the network, resulting in an improvement of the environmental sustainability and the traffic performance both in the controlled network, and at its boundary roads.
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https://hal.archives-ouvertes.fr/hal-03748021
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Submitted on : Tuesday, August 9, 2022 - 10:06:06 AM
Last modification on : Monday, August 22, 2022 - 2:00:14 PM

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Bassel Othman, Giovanni De Nunzio, Domenico Di Domenico, Carlos Canudas-De-Wit. Analysis of the Impact of Variable Speed Limits on Environmental Sustainability and Traffic Performance in Urban Networks. IEEE Transactions on Intelligent Transportation Systems, IEEE, 2022, pp.1-11. ⟨10.1109/TITS.2022.3192129⟩. ⟨hal-03748021⟩

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