Real-time estimation of lane-based queue lengths at isolated signalized junctions

S Lee, SC Wong, YC Li - Transportation Research Part C: Emerging …, 2015 - Elsevier
In this study, we develop a real-time estimation approach for lane-based queue lengths. Our
aim is to determine the numbers of queued vehicles in each lane, based on detector …

Group-based hierarchical adaptive traffic-signal control part I: Formulation

S Lee, SC Wong, P Varaiya - Transportation research part B …, 2017 - Elsevier
A group-based adaptive traffic-control method for isolated signalized junctions is developed
that includes a hierarchical structure comprising tactical and local levels of signal timing …