This ICOET will be held September 20-24, 2015 at the Raleigh Convention Center, Raleigh, North Carolina. ICOET is the foremost multi-disciplinary, inter-agency supported conference addressing the broad range of ecological issues related to transportation systems. Experts in transportation development, related scientific study, policy issues, and administrative processes gather at ICOET to share the most current research information, quality applications, and best practices that can enhance both the project development process and the ecological sustainability of transportation systems.