Passengers wait to go through security at the north terminal of Hartsfield-Jackson Atlanta International Airport in Atlanta on May 17, 2016. (Mladen Antonov /AFP via Getty Images)
Arizona officials said the new service offers additional convenience and security, but they're still encouraging people to carry a physical card, just in case.
Congress' year-end spending package makes it easier for state-issued digital licenses to comply with new federal ID standards, which go into effect next Oct. 1.