Sean Duffy, Transportation Secretary and Airspace
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The transportation secretary said the decision was "data-based," finding the 40 locations where the pressure is the worst.
Sean Duffy calls on Pennsylvania and Philadelphia to 'get their house in order' as inspections on aging Regional Rail cars continue.
Transportation Secretary Sean Duffy at a news conference said some schools for CDLs throughout the country are saying applicants can operate a tractor-trailer rig when in fact they cannot.
Speaking with ABC News' "This Week" co-anchor Martha Raddatz while a ground stop was in effect at Newark Liberty International Airport, Duffy said "We will delay, we will cancel, any kind of flight across the national airspace to make sure people are safe" amid the shortages.
U.S. Transportation Secretary Sean Duffy is expected to order scheduled air traffic cut by 10% at 40 major airports starting Friday without a deal to end the government shutdown, sources familiar with the situation said.