What feature of the Blue Stripe signage is most effective for night visibility?

The effectiveness of the Blue Stripe signage for night visibility primarily comes from the use of reflective materials. These materials work by reflecting incoming lights, such as those from vehicle headlights. This reflective quality helps make the signage easily visible even in darkness, ensuring that travelers can identify key information quickly and safely while navigating through the airport or its vicinity.

Luminous paint, while it may glow in the dark under certain conditions, does not provide the same level of visibility as reflective materials, which can enhance the sign's visibility significantly in various lighting conditions. High-contrast colors can improve daytime visibility but might not be as effective when light is limited. Animated lighting could grab attention but is not a standard feature of typical signage used for wayfinding. By using reflective materials, the Blue Stripe signage achieves broad and effective visibility during night-time, addressing the needs of travelers effectively.