State DOTs rely on the skills and experience of their workforces to plan, fund, design, construct and maintain multi-modal transportation systems. Knowledge about what to do, when and how to do it, AND what not to do is critical to success – and much of this knowledge resides only in the heads of employees, especially the most experienced employees. This guide was developed because KM offers promising solutions to DOT challenges, yet relatively few DOTs have implemented agency-wide approaches to KM.