My son at USC needs to get to the CitiNational Bldg. near LAX. He doesn't have a car - which is easier: take Metro (which line? He thought 111 but this didn't get him to LAX) or take a shuttle to LAX? If he takes a shuttle, which terminal is the closest stop to make this walk which is supposedly "a block from LAX"? He was told the building he needs to go to is next to the Sheraton on Century Blvd.