A modern challenge of the engineering profession is to account for the unintended consequences and life cycle costs from impacts of infrastructure on the environment, society, and economy. While this challenge has been realized on a global scale for more than half a century, tools for design professionals in the United States to systematically address this challenge were not developed until the formation of the Leadership in Energy and Environmental Design (LEED) by the United States Green Building Council. LEED, while bringing the building industry forward, did not directly address sustainability of nonbuilding civil infrastructure. However, Envision, developed by the Institute for Sustainable Infrastructure (ISI), did. …