What color are the signs indicating vehicle routes in restricted areas at LAX?

The signs indicating vehicle routes in restricted areas at LAX are yellow with black text. This color scheme is specifically chosen for its high visibility and contrast, making it easier for drivers to quickly identify critical information in various lighting conditions. Yellow is often associated with caution or warning, alerting drivers to be attentive when navigating through restricted areas. The black text enhances legibility, ensuring that the information on the signs can be read quickly and accurately. This design is consistent with traffic control and signage practices used at airports and other critical facilities, aimed at maintaining safety and operational efficiency.