Clear Direction / Sign

Clear direction is a sign of the train carriage installed on the door of the train. While the door is open, the sign of the train carriages could rotate 90 degrees and form perpendicular angle with the body of the train. It is convenient for the passengers to observe. In the meanwhile, adjacent train carriages card with arrows on the signs of the train carriages could also quickly guide the arrangement direction of the passenger train, which could easily solve the identification problem of the passengers.