It's GREEN AND THEY ARE NOT MOVENING IMAGIN ROUNDABOUT WITHOUT SINGNAL THEY WILL MOVE ONLY WHEN THE ALLLLLLLLLL ROUND ABOUR EMPTY 100% THEN THEY WILL THING IF THEY CAN MOVE OR NOT THEN THEY WILL MOVE SLOWELY THE WILL PRESS BREAK IN THE MIDLLE OF THE ROUNDABOUT THE REDUCE THE SPEED ..................................................