Introduction - If you have any usage issues, please Google them yourself
The north and south directions are the main roads and the East and west directions are secondary roads.
S1: north and south direction straight 30 seconds, North and south direction green light, North and South sidewalks pass, the sidewalk green light, East and west direction forbidden to pass, East and west direction red light. (North and south direction green light last 5S, yellow light flicker)
S2: turn left and right for 20 seconds in the north-south direction. The left turn lights are bright, the north-south direction is sidewalk, and the east-west direction is red (the left turn lamp is the last 5S, the yellow light flickers).
S3: the east-west direction is straight for 20 seconds, the East and west direction green light, the East-West sidewalk pass, the sidewalk green light, the north and south direction forbidden to pass, the red light in the north and the south direction. (the last 5 seconds of the green light in the East and the west, the yellow light glint)