Travel Masks still required on planes, trains and buses for at least one more month as TSA extends mask mandate March 10, 2022Dawn Gilbertson and Bailey Schulz, USA TODAYComments Off on Masks still required on planes, trains and buses for at least one more month as TSA extends mask mandate The federal travel mask mandate has been in place since early 2021 and extended several times, but airlines have required masks since May 2020.