Trafiic light Circuit

Design a digital logic circuit for a traffic light system. You are free to choose the
traffic light arrangements and operations. An example of traffic light system is shown
at a two dual-carriage roads meet at a T junction, as shown in Figure 1. Three traffic
lights (E, W and S) placed at this junction are to be set up and controlled by a digital
logic system.

its my arrangement for A B C
if A GREEN , B AND C RED
IF B GREEN , A AND C RED
IF C GREEN . B AND A RED
SO
A B C Sequence
G R R 0
G R R 1
G R R 2
Y R R 3
R G R 4
R G R 5
R Y R 6
R R G 7
R R G 8
R R Y 9

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