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An emergency switch in Japan. On railways, [1] an emergency stop is a full application of the brakes in order to bring a train to a stop as quickly as possible. [2] This occurs either by a manual emergency stop activation, such as a button being pushed on the train to start the emergency stop, or on some trains automatically, when the train has passed a red signal or the driver has failed to ...
The standard type consists of two circular indicator lamps and a square push button. The push switch marked "Train Stop Override" is used to pass a signal at danger with authority. It ignores the TPWS TSS loops for approximately 20 seconds (generally for passenger trains) or 60 seconds (generally for slower accelerating freight trains) or until ...
ISO 7010 is an International Organization for Standardization technical standard for graphical hazard symbols on hazard and safety signs, including those indicating emergency exits. It uses colours and principles set out in ISO 3864 for these symbols, and is intended to provide "safety information that relies as little as possible on the use of ...
The signs often have metal or plastic knock-outs which can optionally be removed so that an arrow is also lit pointing left or right. Modern exit signs are often combined with other safety devices, such as emergency floodlighting for supplementary area illumination. [13] Modern exit signs are also, to some degree, flame retardant.
It is usually a pedal and/or large press button, which monitors the alertness of the driver. The driver has to repeatedly press a button after a fixed interval; if they fail to do so, the train will carry out an emergency stop. It complements the external train safety systems: PZB, LZB and ETCS. [3] The Sifa control display in the ICE 3
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