New transportation technologies, such as magnetic levitation (maglev), offer promise and risk as they move through the successive stages of research, development, demonstration, and deployment. The Virginia General Assembly\u27s initial financial contributions to a low-speed, 3,400-ft (1,037-m), maglev-based people mover being constructed by the private sector illustrate the opportunities for potential reward and failure. Requests for additional funding to refine and deploy the prototype motivated the Virginia Department of Transportation (VDOT) to seek a structured decision process. VDOT did not want to spend taxpayers\u27 money frivolously on a technology not yet in commercial service anywhere in the world, or to impede an affordable, ...