On September 11 , 2001 , United Airlines Flight 93 crashed in an empty field approximately two miles ( 3 km ) south of U.S. 30 , in Stonycreek Township in Somerset County . The heroism of the passengers and crew apparently thwarted the hijackers ' plan to crash into either the US Capitol Building or the White House in Washington D.C. . The entrance to the permanent Flight 93 National Memorial is along U.S. 30
United Airlines Flight 93
United Airlines Flight 93
U.S. Route 30 in Pennsylvania