Federal Highway Administration coordinates highways with other modes of transportation to achieve the most effective balance of transportation systems and facilities under cohesive Federal transportation policies pursuant to the Act. FHWA is concerned with the total operation and environment of highway systems, including highway safety. In administering its highway transportation programs, it gives full consideration to the impacts of highway development and travel; transportation needs; engineering and safety aspects; social, economic, and environmental effects; and project costs. It ensures balanced treatment of these factors by utilizing a systematic, interdisciplinary approach in providing for safe and efficient highway transportation.