Abhilasha J Saroj Advanced Mobility R&D Staff Contact sarojaj@ornl.gov All Publications Integration of Decentralized Graph-Based Multi-Agent Reinforcement Learning with Digital Twin for Traffic Signal Optimization A Three-Tier Incremental Approach for Development of Smart Corridor Digital Twins Modeling Autonomous Vehicle-Targeted Aggressive Merging Behaviors in Mixed Traffic Environment Traffic Signal Optimization by Integrating Reinforcement Learning and Digital Twins Key Links Google Scholar ORCID LinkedIn GitHub Organizations Energy Science and Technology Directorate Buildings and Transportation Science Division Vehicle and Mobility Systems Research Section Applied Research for Mobility Systems User Facilities National Transportation Research Center