Transportation is an executive subdivision of the US. The Secretary of Transportation, who is appointed by the President, is the executive head of the transportation department. Such appointment is made with the advice and consent of the Senate. Further, there is a deputy secretary of the department who too is appointed by the same fashion as that of the Secretary of Transportation.
The Deputy Secretary is entrusted with the power and responsibility of the Secretary in the absence of the latter.
According to the US Code, The Department of Transportation is entrusted with the following responsibilities:
- "Ensure the coordinated and effective administration of the transportation programs of the United States Government;
- make easier the development and improvement of coordinated transportation service to be provided by private enterprise to the greatest extent feasible;
- encourage cooperation of Federal, State, and local governments, carriers, labor, and other interested persons to achieve transportation objectives;
- stimulate technological advances in transportation, through research and development or otherwise."