The sign means:

1. widening ahead or to the left
2. roadway widening to the leftCorrect answer!
3. mandatory widening
4. follow the one-way direction or turn left

Explanation

The correct answer is option 2 (roadway widening to the left). This question assesses Traffic signs; this alternative directly meets the conditions in the prompt and the road-safety rules. The other alternatives broaden, narrow, or depart from the stated conditions and therefore should not be selected. Under the current rule, the difficulty is 3 on a scale from 1 to 5.

Source

Reference not provided yet.