The Vehicle and Mobility Systems (VMS) Department hosted the 2nd Annual POLARIS User Group Workshop on May 15-17, 2024. The workshop brings together students, researchers, professors, planning agency staff, transit professionals, and state and federal entities at DOT and DOE for a three-full day series of presentations and training, sessions and breakout discussions on the development, use, and improvement of POLARIS – the DOE-funded agent-based transportation forecasting tool.