Sean Duffy’s first big test as secretary of the Department of Transportation came just one day after he was sworn into office ...

Prior to his appointment, Sean Duffy served as a Wisconsin congressman and district attorney and before that he was a reality ...

The Senate on Tuesday confirmed former Rep. Sean Duffy (R-Wis.) to be the next Transportation secretary, putting him in place ...

The former Wisconsin congressman has promised safer Boeing planes, less regulation and help for U.S. companies developing ...

The midair collision at Reagan National Airport on Wednesday night has presented Sean Duffy with a major crisis just hours ...

The U.S. Senate voted 77 to 22 on Tuesday to confirm former Representative Sean Duffy to head the U.S. Transportation ...

Duffy previously told lawmakers his priorities leading the Transportation Department include aviation and highway safety as ...

Former Wisconsin congressman Sean Duffy was sworn in as new U.S. Transportation Secretary this week. Here's what his ...

Employees at multiple federal agencies were ordered to remove pronouns from their email signatures by Friday afternoon, according to internal memos obtained by ABC News that cited two executive orders ...

Duffy was sworn into the Cabinet position just hours before an American Airlines passenger plane collided with a U.S. Army ...

Trump plans to link transportation funding to policies on masks, vaccines and immigration enforcement, as well as marriage ...