Vehicles head east out of Los Angeles on the Interstate 10 freeway in Alhambra, California on May 27, 2021, ahead of the Memorial Day weekend. - Millions of Americans will hit the road and skies for travel after over a year of coronavirus pandemic restrictions. More than 37 milion people are expected to travel 50 miles or more from home between Thursday and Monday, according to AAA, on the weekend traditionally considered the unofficial start of summer. (Photo by Frederic J. BROWN / AFP) (Photo by FREDERIC J. BROWN/AFP via Getty Images)