Sean Duffy's announcement followed President Donald Trump expanding ICE raids. Trump named New York City, Los Angeles, and Chicago to be the focus areas.

Secretary of Transportation Sean Duffy announced Monday that the Department of Transportation (DOT) will withhold funding ...

Transportation Secretary Sean Duffy threatened to cut funding from “rogue state actors” that do not cooperate with federal ...

To cities that stand by while rioters destroy transportation infrastructure — don’t expect a red cent from DOT,’ ...

Transportation Secretary Sean Duffy said Monday his department would withhold funding from cities where anti-ICE ...

Last week, protests and riots broke out across Los Angeles in response to U.S. Immigration and Customs Enforcement (ICE) agents' arrests of illegal migrants.

The California High-Speed Rail Authority has hit back at the Department of Transportation after a new report threatened to withdraw federal funding for the state's rail project.

CNBC's Phil LeBeau talks to Transportation Secretary Sean Duffy at the Paris Air Show to discuss last week's Air India crash, ...

Transportation Secretary Sean Duffy warned on Monday that his department will not fund cities "that stand by while rioters ...