how is the high flux traffic signal working

how is the high flux traffic signal working,normal the traffic signal running order like this:red--green--amber--red cycle running.this is for vehicle,if for pedestrian signal,the traffic signal will run like this:red--green--red cycle.more about the traffic signal:www.nobleled.com or email us discuss it:sales@nobleled.com whatsapp/Zalo:+8613927455427 Alan