Speed Advisory System Using Real-Time Actuated Traffic Light Phase Length Prediction

Speed advisory systems for connected vehicles rely on the estimation of green (or red) light duration at signalized intersections. A particular challenge is to predict the signal phases of semi- and fully-actuated traffic lights. In this paper, we introduce an algorithm that processes traffic measur...

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Published in:arXiv.org 2021-07
Main Authors: Burov, Mikhail, Arcak, Murat, Kurzhanskiy, Alexander
Format: Article
Language:English
Subjects:
Algorithms
Fuel consumption
Idling
Intersections
Traffic delay
Traffic signals
Traffic speed
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Arcak, Murat
Kurzhanskiy, Alexander
description Speed advisory systems for connected vehicles rely on the estimation of green (or red) light duration at signalized intersections. A particular challenge is to predict the signal phases of semi- and fully-actuated traffic lights. In this paper, we introduce an algorithm that processes traffic measurement data collected from advanced detectors on road links and assigns "PASS"/"WAIT" labels to connected vehicles according to their predicted ability to go through the upcoming signalized intersection within the current phase. Additional computations provide an estimate for the duration of the current green phase that can be used by the Speed Advisory System to minimize fuel consumption. Simulation results show 95% prediction accuracy, which yields up to 30% reduction in fuel consumption when used in a driver-assistance system. Traffic progression quality also benefits from our algorithm demonstrating an improvement of 20% at peak for medium traffic demand, reducing delays and idling at intersections.
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subjects Algorithms
Fuel consumption
Idling
Intersections
Traffic delay
Traffic signals
Traffic speed
title Speed Advisory System Using Real-Time Actuated Traffic Light Phase Length Prediction
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