Wrong way signs
Purpose: These signs tell you that you are driving in the wrong direction and you must turn around. You will usually see this sign with or after a no entry sign.
Wrong way - Go back signs
Purpose: These signs tell you that you are driving in the wrong direction along an exit ramp of a motorway. You must turn around and go back in the direction you came from.
Winding road ends signs
Purpose: These signs indicate the distance until a winding road will end. You will see these signs where there is a continuous long section of winding road.
End rockfall area signs
Purpose: These signs show that you are leaving an area where loose rocks could fall or roll onto the road from the embankment above. These will follow a falling rocks warning sign.