- Briefing Room
U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
This glossary and acronym list includes all the key terms and acronyms used in this guidebook; as well as others that often appear in systems engineering. While these are many of the definitions that can be used, each project will have its own set of terms that need to be defined and adopted as part of the project formation and initial tasks.