This timely mini-forum on public-sector infrastructure investments blends applied research and case study insights on a diverse set of management challenges.

The first article, by Wendy Haynes and Andrew Whipple, reviews and compares three transportation megaprojectsBostons Big Dig, Denvers International Airport project, and Colorados T-REX project. Next up is Jeremy Plants recounting of how passenger rail policy is being revisited at all levels of government and globally, with innovative strategies and methods to ensure its success. And the last word is had by Kurt Heppard and Steve Green, who relate how the U.S. Air Force Academy is implementing a sustainable alternative energy plan.