A flap barrier works with a fare collection system for public services where entry is strictly for paid visitors. The barrier controls the human traffic allowing only paid entries. The flaps open only when the visitors produce tickets to the service. Found in Metro/Bus stations, the flap barriers provide real help in controlling human movement. Improves security at busy public service stations Integrated with access control device Collects fare through an electronic system Works automatically â?? flap opens only for a certain time Strengthens the fare collection system Ensures disciplinedhuman traffic movement Requires no physical monitoring Works on a DC motor Energy efficient