The lane markings in the center lane indicate that __________.

In this scenario, the correct interpretation of the center lane markings indicating that it is a reversible lane is crucial for understanding traffic management and safety. Reversible lanes are designed to accommodate variable traffic flows, allowing the direction of traffic in that lane to change based on the time of day or current traffic conditions. This flexibility helps to optimize road usage by increasing capacity during peak hours when traffic may be heavier in one direction.

Typically, reversible lanes are marked with specific signs and signals to indicate when they are in operation and what direction vehicles should be traveling. Motorists must pay close attention to these markings and adhere to them to ensure safety and compliance with traffic laws. This knowledge is essential for avoiding accidents and ensuring an orderly flow of traffic.

The other options do not accurately describe the function of the lane markings in question. Understanding the specifics of how reversible lanes work is vital for drivers to navigate these roadways safely and effectively.