Introduction - If you have any usage issues, please Google them yourself
Simple procedures for traffic lights. Under normal circumstances (initial state), the route a green light, red Extension. When the extension has three cars reach the intersection (by pressing the analog button to reach a car), then 6 seconds, the route bright yellow, sustained three seconds later, to Route red, green light Extension lead 24 seconds after the , Extension turn yellow light, 3 seconds later, return to the initial state.