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The color red
red
Orange or Amber
Amber
Traffic lights change color using a timed sequence set by programmers. Typically, they cycle through green, yellow, and red to control the flow of traffic at intersections. Sensors or timers can also adjust the timing based on traffic conditions.
Get ready to stop!
In many jurisdiction, a fire chief's helmet is white. However, it is not unusual for it to be the same color as the rest of the crew.
Amber
red yellow green
Jing Xing has written: 'Reexamination of color vision standards' -- subject(s): Testing, Airports, Diseases, Mathematical models, Display systems, Air traffic controllers, Color display systems, Color blindness, Traffic control
RED AMBER (Orange) GREEN
green colours are signal to run . Eg., traffic lights