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Multiple Choice

What color are taxiway shoulder markings?

In airport markings, color and visibility cues guide pilots. Taxiway-related markings use yellow, and shoulder markings specifically indicate the edge beyond which normal taxiing isn’t intended. These markings are made to be visible without relying on nighttime reflectivity, so they are nonretroreflective. The combination of yellow color with a nonretroreflective finish helps distinguish the shoulder from the usable taxiway while not depending on reflective lighting. That’s why taxiway shoulder markings are described as nonretroreflective yellow.

In airport markings, color and visibility cues guide pilots. Taxiway-related markings use yellow, and shoulder markings specifically indicate the edge beyond which normal taxiing isn’t intended. These markings are made to be visible without relying on nighttime reflectivity, so they are nonretroreflective. The combination of yellow color with a nonretroreflective finish helps distinguish the shoulder from the usable taxiway while not depending on reflective lighting. That’s why taxiway shoulder markings are described as nonretroreflective yellow.