What is the crossword answer for the clue: Stop sign?

INN - a 3 letter word may be the answer you are looking for!

RED - a 3 letter word may be the answer you are looking for!

PERIOD - a 6 letter word may be the answer you are looking for!

KEEPOUT - a 7 letter word may be the answer you are looking for!

OCTAGON - a 7 letter word may be the answer you are looking for!

DRAWBRIDGEAHEAD - a 15 letter word may be the answer you are looking for!

KEEPOFFTHEGRASS - a 15 letter word may be the answer you are looking for!

PRIVATEENTRANCE - a 15 letter word may be the answer you are looking for!

NOTRESPASSING - a 13 letter word may be the answer you are looking for!

AHEAD - a 5 letter word may be the answer you are looking for!

Stop sign?

3 Character Answers:

INN

RED

5 Character Answers:

AHEAD

6 Character Answers:

PERIOD

7 Character Answers:

KEEPOUT

OCTAGON

13 Character Answers:

NOTRESPASSING

15 Character Answers:

DRAWBRIDGEAHEAD

KEEPOFFTHEGRASS

PRIVATEENTRANCE