Any guided drive vehicle on the track, with or without coupled vehicles, traveling on the railway line from a location to a race term, and can stop at intermediate service locations. The trains are classified as ordinary, extraordinary and additional, as well as in relation to the type of transport (freight, passengers) or the function performed. Each train is accompanied by certain documents (prescriptions, etc.) whose delivery, to the driver or machine personnel, formalizes the completion of the preparatory activities (train training) and authorizes the act of circulating on the railway line
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