What is the meaning of the following road sign (the yellow colored left arrow)?

Choose an answer to test yourself:

1. AIt is permitted to drive to the right of the yellow line on the road.
2. BFollow the direction of the yellow arrow only.
3. CPublic transportation vehicles are prohibited to pass the signpost on its left.
4. DOnly public transportation vehicles are permitted to pass the signpost on its left.

Topic: Road Signs · עברית