Transportation industry regulation

FILE - This July 11, 2017, file photo, shows a Delta Air Lines jet and a United Airlines plane at San Francisco International Airport in San Francisco. The Trump administration said Friday, June 5, 2020, it will let Chinese airlines operate a limited number of flights to the U.S., backing down from a threat to ban the flights. The decision came one day after China appeared to open the door to U.S. carriers United Airlines and Delta Air Lines resuming one flight per week each into the country. (AP Photo/Marcio Jose Sanchez, File)

FILE - In this Feb. 5, 2019, file photo, the dome caps the Pennsylvania Capitol in Harrisburg, Pa. It takes hundreds of millions of dollars a year for the Pennsylvania General Assembly to maintain what is one of the country's largest legislative staffs, a small army with a voracious appetite for food, shelter, transportation, office supplies and computer equipment. (AP Photo/Matt Rourke, File)

In this April 23, 2020 photo a Frontier Airlines jetliner taxis to a runway for take off from Denver International Airport in Denver. Lawmakers on Capitol Hill lashed out Wednesday, May 6, 2020 against Frontier Airlines over the budget carrier's move to charge passengers extra to guarantee they will sit next to an empty middle seat while flying during the coronavirus outbreak. (AP Photo/David Zalubowski)

Local residents, in their flat due to the coronavirus, watch celebrations ahead of the National Sovereignty and Children's Day, in Istanbul, Wednesday, April 22, 2020. Turkey will mark Thursday, April 23, 2020 the 100th anniversary of the foundation of its parliament, as the nation is in a 4-day curfew declared by Turkey's government in an attempt to control the spread of the COVID-19 pandemic. (AP Photo/ Emrah Gurel)

President Donald Trump listens as Treasury Secretary Steven Mnuchin speaks about the coronavirus in the James Brady Press Briefing Room at the White House, Monday, April 13, 2020, in Washington. (AP Photo/Alex Brandon)

FILE - In this Wednesday, April 8, 2020 file photo people chat and drink outside a bar in Stockholm, Sweden. Sweden is pursuing relatively liberal policies to fight the coronavirus pandemic, even though there has been a sharp spike in deaths. The prime minister has proposed a new emergency law that would allow the authorities to shut down public venues and transportation quickly if needed. But for now, it's still common to see people swarming on the Stockholm waterfront, sipping cocktails, while children still have group soccer practice. (AP Photo/Andres Kudacki, File)

In this April 6, 2020 photo, a bus drives past a roadwork construction project in Seattle where ramps off of the Highway 520 floating bridge meet Montlake Blvd. that has been shut down due to concern over the spread of the coronavirus. The $2 trillion federal stimulus package enacted in March included billions of dollars for public transit systems, publicly owned commercial airports and Amtrak passenger train service, but earmarked nothing for state highways and bridges. Many of those projects across the country have been put on hold because of a sharp drop in fuel taxes, tolls and user fees since the coronarvirus-related shutdowns suspended much of the U.S. economy. (AP Photo/Ted S. Warren)

American Airlines planes stored at Pittsburgh International Airport sit idle on a closed taxiway in Imperial, Pa., on Tuesday, March 31, 2020. As airlines cut more service, due to the COVID-19 pandemic, Pittsburgh International Airport has closed one of its four runways to shelter in place 96 planes, mostly from American Airlines, as of Monday, March 30, 2020. The airport has the capacity to store 140 planes. (AP Photo/Gene J. Puskar)