Responsibilities: The secretary of transportation oversees all aviation, automotive, rail and transit policies in the United States. This position requires Senate confirmation. Duffy, a former reality television star on MTV’s “Real World: Boston ...

Trump is expected to make Matt Gaetz his attorney general and Marco Rubio his secretary of state, and place Tulsi Gabbard, Kristi Noem and Stephen Miller in key posts.

If approved, Duffy would oversee a complex system of pipelines, railroads, cars, trucks, airlines and mass transit systems, as well as funding for highways.