Department of Transportation Secretary Sean Duffy asked Thursday on Fox Business why “federal tax dollars” should go to ...

During his testimony in the U.S. Senate this month, Trump's Transportation Secretary, Sean Duffy discussed his plan to combat delays in American infrastructure projects.

During his remarks in a Senate hearing this month, Senator Sheldon Whitehouse scolded Transportation Secretary Sean Duffy over Trump's Executive Orders, which he labeled "illegal and nonsense." ...

The Trump administration will allow self-driving cars an exemption from some safety rules for testing amid a push to compete ...