Motorway signs test

Question 1 of 20
What is the meaning of this road sign?
1000 yards to a roundabout or the next point at which traffic may leave a route
300 yards to a roundabout or the next point at which traffic may leave a route
100 yards to a roundabout or the next point at which traffic may leave a route
200 yards to a roundabout or the next point at which traffic may leave a route