Red means STOP Green means GO Yellow means YIELD or SLOW DOWN
red
clear the active runway
Clear active runway
In aviation, flashing red means get of the runway if you are on the ground and it means the airport is not safe for landing if you are in the air.
Red
red
what color would you like to make them genius? red means stop, green means go, & yellow means hurry up & speed through before the light turns red.
Alarm Red
Alarm Red
Alarm Red
Alarm Red