Introduction - If you have any usage issues, please Google them yourself
Verilog-based simple traffic light control. // Main road green light 30s, the last five seconds off the yellow light green light, red light after the 30s, the green light after the countdown 20s 30s, so repeat
// Branch roads red light 30s, after the green light, branch roads green countdown 20s, the last yellow light green light off 5s, 20s reciprocal exchange after the red light 30s, so repeat