The US Department of Transportation said the move “left American businesses holding the bag for millions in increased costs.” ...

Sec. Sean Duffy issued a warning to Mexico Saturday for allegedly breaking the 2015 U.S.-Mexico Air Transport Agreement. The ...

Transportation Secretary Sean P. Duffy announced a $488 million infrastructure investment under the BUILD grant program for U ...

Democratic Rep. Jerry Nadler of New York got into a fiery exchange with Transportation Secretary Sean Duffy on Tuesday over ...

U.S. cuts $4 billion funding from California's High Speed Rail project, criticizing the CHSRA for mismanagement.

President Trump announced Wednesday that Transportation Secretary Sean Duffy will temporarily lead the National Aeronautics ...

U.S. Transportation Secretary Sean Duffy will dually serve as acting NASA administrator, President Donald Trump announced ...

Transportation Secretary Sean Duffy is blasting the MTA over its handling of subway crime .

President Trump's transportation chief Sean Duffy accused MTA brass of giving the feds the "runaround" when pressed on what ...

Transportation Secretary Sean Duffy is about to perform double duty after President Donald Trump named him interim head of ...

Trump withdrew Musk-ally and billionaire Jared Isaacman’s nomination for the NASA administrator role in May and has since ...

President Donald Trump said on Wednesday he is directing Transportation Secretary Sean Duffy to be the interim NASA ...