Here's what to know about the transportation secretary's responsibilities and Duffy's qualifications. What are ...

New DOT Secretary Sean Duffy, a former Wisconsin congressman, wants transportation funding prioritized in areas with higher ...

Sean Duffy, the new transportation secretary, is facing his first major crisis just hours after his swearing-in.

Vice President JD Vance, left, shakes hands with Sean Duffy after swearing him in as secretary of transportation as his wife, ...

President Donald Trump 's new Secretary of Transportation has an interesting Massachusetts connection. Sean Duffy, who was ...

WASHINGTON – Central Wisconsin's Sean Duffy is facing his first big test as secretary of the Department of Transportation ...

Authorities believe there were no survivors after an American Airlines flight collided with an Army helicopter on Wednesday.

Sean Duffy was sworn in as Transportation Secretary on Tuesday and is now grappling with the fallout of the deadliest ...

Transportation Secretary Sean Duffy had been sworn in just hours before the deadly midair collision of a plane and helicopter near Washington, D.C.