The project scope of Phase 1 included concrete for 3.2 miles of running surfaces, steel guide beam for guidance and all electrical work necessary for the operation of the automated train system. Phase 1A is a design-build contract to complete the train systems from Terminal 4 to Terminal 3. This included an additional 1.2 miles of guideway. The project’s signature structures are the 120-foot elevated bridge over Taxiway R, and an underpass along 44th Street below the Union Pacific Railroad. Total square footage 52,968,960.