Keers supplies a wide range of escape doors for road, rail and metro tunnels. We have also supplied the tunnel doors in the Thomassen Tunnel in Rotterdam. The Keers tunnel doors are tested according to international classification standards RWS, RABT, HCM, HC and ISO. This means that the doors always comply with the latest standards and regulations. When developing the tunnel doors special attention is paid to safety, user-friendliness and ease of maintenance.