EXCLUSIVE — Transportation Secretary Sean Duffy slammed California's long overdue high-speed rail project that should have linked San Francisco to Los Angeles.

The Department of Transportation has threatened to pull funding for high-profile climate-friendly projects in California, New ...

President Donald Trump’s auto tariffs are expected to lift car prices by thousands of dollars. That’s an opportunity for ...

Republican Sen. Joni Ernst of Iowa asked Secretary of Transportation Sean Duffy to provide a list of “billion-dollar ...

Department of Transportation Secretary Sean Duffy appeared on Newsmax Wednesday and described President Donald Trump’s ...

Rather than an alternative to flying, California has spent billions on lines that can’t reach their destination.

The dozens of potential 2028 candidates break down into four broad buckets, from those trying to resist Trump at all costs to ...

Mudslide risk could increase in Southern California burn areas if trees are cleared, public lands advocate says.

Transportation Secretary Sean Duffy made the demand in ... Duffy has sent similar letters in the last month to the heads of California’s High Speed Rail system and Washington’s Metro system.

California’s process to strengthen its cap-and-trade program was already a moving target. President Donald Trump’s executive order is adding a new layer of confusion.