Joel Rose

airports, according to the aviation analytics company Sirium, and hundreds of other flights were delayed.

New York City, New Jersey, and Rhode Island issued travel bans encouraging non-essential vehicles to stay off the roads.

The National Weather Service called travel conditions extremely treacherous and nearly impossible in some places, with more than two feet of snow reported in parts of Long Island and southern New England.

Joel Rose, NPR News, Washington.

The FAA abruptly shut down the airspace around El Paso late last night for, quote, special security reasons.

But hours later, the agency lifted the restrictions, which were originally supposed to last for 10 days, saying there is no threat to commercial aviation.

In a social media post, Transportation Secretary Sean Duffy says the U.S.

military had acted swiftly to address an incursion by a drone operated by a Mexican drug cartel.

But a source on Capitol Hill who has spoken to the FAA and was not authorized to speak publicly says it was the Defense Department that deployed counter-drone technology before the FAA had completed its safety assessment.

The mayor of El Paso says the result was chaos on the ground.

Joel Rose, NPR News, Washington.

Amtrak's Aero trains will make their debut in the Pacific Northwest later this year.

But the railroad gave a preview at Union Station in Washington, D.C.

Railroad President Roger Harris says these trains will modernize much of Amtrak's aging fleet in the Northeast, too.

It really is a complete renewal of the customer experience in the Northeast on Amtrak, and that's what's really so exciting.

Amtrak launched its newest next-gen high-speed Acela service last year.

By comparison, these trains are workhorses.

They top out at 125 miles per hour and will rarely go even that fast because of track conditions.

Joel Rose, NPR News, Washington.

The National Transportation Safety Board will meet nearly a year after the mid-air collision that killed 67 people.