I was very happy to have the opportunity to visit the University of Minnesota Department of Civil Engineering to deliver the Warren Lecture on November 8, 2013. My talk was entitled “Big” Data as a Foundation for Measuring and Improving Public Transport Operations. It was great to visit with students and colleagues from the Department of Civil Engineering, the Center for Transportation Studies (CTS), the Humphrey School of Public Affairs, and visit the Minnesota Traffic Observatory (MTO). I look forward to my next visit!