For the first time in more than two years, travelers at Baltimore/Washington International Thurgood Marshall Airport, and many other airports nationwide, are no longer required to wear masks. A decision by a federal judge in Florida to throw out a national mask mandate for public transportation across the U.S., giving airports, mass transit systems, airlines and ride-hailing services the option to keep mask rules or ditch them entirely, resulting in rules that vary by city and mode of transportation.
