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 …

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 …

[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 new reinforcement learning-based variable speed limit control approach to improve traffic efficiency against freeway jam waves

Y Han, A Hegyi, L Zhang, Z He, E Chung… - … research part C: emerging …, 2022 - Elsevier
Conventional reinforcement learning (RL) models of variable speed limit (VSL) control
systems (and traffic control systems in general) cannot be trained in real traffic process …

Reinforcement learning-based variable speed limit control strategy to reduce traffic congestion at freeway recurrent bottlenecks

Z Li, P Liu, C Xu, H Duan… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
The primary objective of this paper was to incorporate the reinforcement learning technique
in variable speed limit (VSL) control strategies to reduce system travel time at freeway …

Differential variable speed limits control for freeway recurrent bottlenecks via deep actor-critic algorithm

Y Wu, H Tan, L Qin, B Ran - Transportation research part C: emerging …, 2020 - Elsevier
Variable speed limit (VSL) control is a flexible way to improve traffic conditions, increase
safety, and reduce emissions. There is an emerging trend of using reinforcement learning …

[HTML][HTML] Impact of deep reinforcement learning on variable speed limit strategies in connected vehicles environments

M Gregurić, K Kušić, E Ivanjko - Engineering applications of artificial …, 2022 - Elsevier
Abstract The Variable Speed Limit (VSL) control is considered in the context of connected
vehicles acting as moving sensors, while their obedience to speed limit is enforced by a …

Resolving freeway jam waves by discrete first-order model-based predictive control of variable speed limits

Y Han, A Hegyi, Y Yuan, S Hoogendoorn… - … Research Part C …, 2017 - Elsevier
In this paper we develop a fast model predictive control (MPC) approach for variable speed
limit coordination to resolve freeway jam waves. Existing MPC approaches that are based …

[HTML][HTML] Effect of steel fiber distribution on the mechanical properties of UHPC caused by vehicle-bridge coupling vibration

S Wang, L Yu, F Yang, L Xu, K Wu… - Composites Part B …, 2022 - Elsevier
With the acceleration of infrastructure construction, the risk of being exposed to vehicle-
bridge coupling vibration is getting more common for the unhardened cementitious …

Development of a variable speed limit strategy to reduce secondary collision risks during inclement weathers

Z Li, Y Li, P Liu, W Wang, C Xu - Accident Analysis & Prevention, 2014 - Elsevier
Inclement weather reduces traveler's sight distance and increases vehicle's stop**
distance. Once a collision occurred during inclement weather and resulted in a slow traffic …