Final answer:
A steady yellow light on a traffic beacon signifies a warning that the signal is about to change from green to red. It alerts drivers to prepare to stop their vehicles and proceed with caution.
Step-by-step explanation:
A steady yellow light on a traffic beacon signifies a warning that the signal is about to change from green to red.
It alerts drivers to prepare to stop their vehicles and proceed with caution.
For example, when approaching a yellow light, drivers should slow down and be ready to stop before the light turns red.
It is important to note that attempting to speed through a yellow light is unsafe and can lead to accidents or traffic violations.
Overall, the yellow light acts as a transition period between the green light (indicating it is safe to proceed) and the red light (indicating drivers must stop).