U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Exhibit 1: Diagram. Project lifecycle. This diagram illustrates the relationship between safety and the lifecycle of a roadway project. It lists the various stages of the lifecycle including Planning, Preliminary Design, Detailed Design, Work Zone This symbolizes how taking safety into consideration early in the project can yield the best results.