The department of Education, establish policy for administer and coordinate most federal assistance to education. Also, they collect data on US schools, and to enforce federal educational laws.
The department of Labor is responsible for occupational wages, safety and hour standards. They also take care of unemployment insurance benefits and reemployment services.
The department of Transportation is responsible for helping maintain and develop the nation's transportation systems and infrastructure. Also, they help make the national highways, railroads and airline safety.