Variable speed limit: an overview

B Khondaker, L Kattan - Transportation Letters, 2015 - Taylor & Francis
This paper provides an overview of various variable speed limit (VSL) strategies developed
over the last two decades. It first explains the theoretical background of VSL systems and …

Freeway speed harmonization

J Ma, X Li, S Shladover, HA Rakha… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
In this paper, we present an overview and background on speed harmonization (SH). This
paper reviews a number of representative studies that designed traffic control algorithms …

[HTML][HTML] Variable speed limit: A microscopic analysis in a connected vehicle environment

B Khondaker, L Kattan - Transportation Research Part C: Emerging …, 2015 - Elsevier
This paper presents a Variable Speed Limit (VSL) control algorithm for simultaneously
maximizing the mobility, safety and environmental benefit in a Connected Vehicle …

A mixed traffic speed harmonization model with connected autonomous vehicles

A Ghiasi, X Li, J Ma - Transportation Research Part C: Emerging …, 2019 - Elsevier
Emerging connected autonomous vehicles (CAV) technologies provide an opportunity to the
detailed vehicle trajectory control to reduce adverse impacts of stop-and-go traffic imposed …

Model predictive control for optimal coordination of ramp metering and variable speed limits

A Hegyi, B De Schutter, H Hellendoorn - Transportation Research Part C …, 2005 - Elsevier
This paper discusses the optimal coordination of variable speed limits and ramp metering in
a freeway traffic network, where the objective of the control is to minimize the total time that …

Optimal coordination of variable speed limits to suppress shock waves

A Hegyi, B De Schutter… - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
When freeway traffic is dense, shock waves may appear. These shock waves result in longer
travel times and in sudden large variations in the speeds of the vehicles, which could lead to …

A variable speed limit control approach for freeway tunnels based on the model-based reinforcement learning framework with safety perception

J **, Y Li, H Huang, Y Dong, P Liu - Accident Analysis & Prevention, 2024 - Elsevier
To improve the traffic safety and efficiency of freeway tunnels, this study proposes a novel
variable speed limit (VSL) control strategy based on the model-based reinforcement …

Technical feasibility of advanced driver assistance systems (ADAS) for road traffic safety

M Lu, K Wevers, R Van Der Heijden - Transportation Planning and …, 2005 - Taylor & Francis
This paper explores the technical feasibility of five Advanced Driver Assistance System
(ADAS) functions to contribute to road traffic safety, to reach stated European (EU) and …

[HTML][HTML] Variable speed limit and ramp metering for mixed traffic flows: A review and open questions

F Vrbanić, E Ivanjko, K Kušić, D Čakija - Applied Sciences, 2021 - mdpi.com
The trend of increasing traffic demand is causing congestion on existing urban roads,
including urban motorways, resulting in a decrease in Level of Service (LoS) and safety, and …

Cell transmission model based variable speed limit control for freeways

M Hadiuzzaman, TZ Qiu - Canadian Journal of Civil …, 2013 - cdnsciencepub.com
Variable speed limit (VSL) can be used on freeways to manage traffic flow with the goal of
improving capacity. To achieve the objective, this study proposes a novel VSL control …