Final answer:
The traffic sign means that you are leaving a divided roadway and entering a two-way highway, indicating a transition where vehicles will travel in opposite directions on the same road.
Step-by-step explanation:
When it comes to understanding what a traffic sign means, it is essential to be familiar with the universally recognized road symbols and signs. In the question provided, the correct interpretation of the traffic sign would be option a: You are leaving a divided roadway and entering a two-way highway. This means that traffic will no longer be separated by a median or barrier, and vehicles will be traveling in opposite directions on the same roadway. Traffic signs are vital for road safety and help navigate transition points between different types of roadways.