This course provides an introduction to ITS architecture and processes at the project, local, regional and national levels, and how they are an essential tool to plan and deploy ITS projects. The course presents the technical and institutional issues that may arise as regions use and maintain their ITS architecture, processes and standards. The course includes a thorough introduction to systems engineering standards with a special focus on interoperability, regional and open standards. Throughout the course, examples are provided from real ITS architectures including specific examples of how ITS architectures are used.