Our Experts Sara-Grace Lien BS studentBSUCI Department of MathematicsUC Irvine20212025 BS studentBSUCI Department of MathematicsUC Irvine20212025 TRIP Program StudentITS-IrvineUC Irvine20242024 Related Information LinkedIn Recent Projects SEE MORE Training Generative Artificial Intelligence Systems for Designing Traffic Signals Complete | Jul 2024—Aug 2025 Research Team: Wenlong Jin (lead), Sara-Grace Lien Department(s): Civil and Environmental Engineering