With years of experience, Keers supplies a wide range of tunnel doors. For road, rail and metro tunnels. The tunnel doors always comply with the latest standards and regulations. In addition, the RWS fire conditions of the tunnel doors may be considered internationally as the highest classified standard. Keers has also supplied tunnel doors in the Willem van Oranje Tunnel in Delft. During the development of the tunnel doors special attention was paid to safety, user-friendliness and ease of maintenance.