BIKE guy: B + arrow left = Left arm out for 2 sec B + arrow right = right arm out for 2 sec red CAR: C + arrow left = left light on for 2 sec C + arrow right = right light on for 2 sec blue CAR: C + L/l = left light on for 2 sec C + R/r = right light on for 2 sec green TRUCK: T + left arrow = left light on for 2 sec T + right arrow = right light on for 2 sec You can change whenever u want, cause it won't effect my project.
For explanation for those who aren't very good at riding bikes.