What does a lane control signal displaying a steady yellow X above a reversible lane indicate?
Lane control signals are used when the direction of the flow of traffic in a specific lane changes throughout the day. They are used to show which lanes of traffic are open and closed, as well as to show if toll booths are open or closed. When a lane control signal contains a steady yellow X, drivers should clear the indicated lane because the lane signal is about to change to a red X.
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