One-way Dowble Door / Public facilities

Normal double doors cannot clearly differentiate directions, which may cause serious trouble of people running into each other. But neither the one-way door nor double door which I designed, can open both ways: left entrance, right exit. In a crowded situation like shopping mall, department store or business building, it can effectively avoid the problem.can open both ways: left entrance, right exit. In a crowded situation like shopping mall, department store or business building, it can effectively avoid the problem.