Miguel Figliozzi, Civil and Environmental Engineering faculty, presented three reviewed papers, "Planning Approximations to Average Length of Vehicle Routing Problems with Varying Customer Demand and Routing Constraints," "The Impacts of Congestion on Commercial Vehicle Tours Characteristics," and "Commercial Vehicle Tour Data Collection Using Passive GPS Technology: Issues and Potential Applications," at the 87th Annual Meeting of the Transportation Research Board in Washington, D.C., Jan. 13. The papers appear in the conference proceedings.