The primary focus of the Project Concept Unit (PCU) is to provide preliminary scopes and cost estimates for future projects in the Surface Transportation Program (STP) Urban & Rural funding categories. The original goal for this unit as set forth by the Bureau of Engineering and Highway Operations is as follows: Provide an accurate assessment, at the very beginning of the project development process, of the project scope, the associated realistic costs and any potential problem issues that can be foreseen with the information provided and/or available.