TRB will conduct a webinar on May 2, 2012, from 2:00 p.m.-3:30 p.m. ET that will explore the results of TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis Report 431: Practices to Manage Traffic Signal Reflectivity, which will be released in April 2012. Dr. Paul Carlson, head of TTI Operations and Roadway Safety Division, will present for this webinar regarding MUTCD requirements related to minimum sign retroreflectivity standards and etc. (Read more and register here)