The University of Wisconsin - Madison hosted the 4th SAFER-Sim Symposium on June 2 - 4, 2016. This event took place in Madison, Wisconsin on the University's beautiful campus. Students, faculty, and site directors from each SAFER-Sim consortium site attended this symposium. The approximately 60 attendees, 30 being students, collaborated at the symposium events that included networking dinners, a poster session, and presentations by students and transportation professionals. This collaboration within SAFER-Sim and across engineering and social sciences fields will build relationships that will drive future improvements in simulation research and road user safety.