The yellow demarcation bar marking indicates a displaced threshold; this means

• A. A displaced threshold is present at that runway end
• B. The runway has an instrument approach
• C. The runway is closed
• D. The runway is temporary closed for maintenance

Answer: (A)

When you see a yellow demarcation bar across the runway, it signals that the landing threshold has been moved inward from the physical end. The pavement before that bar isn’t available for landing, though it can be used for taxi or for takeoff runs. So, for a landing, you must touch down beyond the bar at the displaced threshold location. The yellow color shows this is a non-landing-use boundary, different from the normal white runway markings.

Other interpretations, like signaling an instrument approach, a completely closed runway, or a temporary maintenance closure, aren’t indicated by this marking.