Crossword Puzzle Sign before the fall

Clue: Sign before the fall

Sign for a person in therapy? (CONTENTSFRAGILE with 15 letters)
Fall zodiac sign (LIBRA with 5 letters)
Street sign ... or a hint to this puzzle's theme (PEDXING with 7 letters)
Sign for a packed theater (SRO with 3 letters)
Lit-up sign in a theater (EXIT with 4 letters)
Theater-door sign (e.g. ENTRANCE with 8 letters)
Important theater sign (EXIT with 4 letters)
Sign on a building, and the theme of this puzzle (INQUIREWITHIN with 13 letters)
Sign in a theater (EXIT with 4 letters)
Sign above a theater door (EXIT with 4 letters)