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Failure

In railway traffic, various events, in line, station or at the rolling stock, which create problems for the regular train schedule. Faults can compromise safety or cause degraded operation of the detriment of the regularity and potential of the line.  Failures can be defined as “critical failures” if the level of safety, relating to the railway station, rolling stock and in particular to safety and signaling systems, are degraded. “Failures in safety” are those that are not considered dangerous because they do not degrade the level of safety, for example specific faults relating to signaling and safety systems which, when they occur, cause a train to stop. In the latter case, specific procedures of the railway organization are foreseen andensure the safety continuity of circulation, even in degraded conditions and after the adoption of particular interventions (visual checks, delivery of prescriptions, etc.). Recent European regulations on railway safety distinguish fault from damage, which can be defined respectively as cause and final effect (not necessarily a technical fault causes a degradation of system performance); at the origin of the fault there may also be errors of a human nature. If the damage is serious and affects safety, it can ultimately result in a dangerous condition (Hazard), while in other cases it can be a simple malfunction (Malfunction)

WikiRail

WikiRail