OBS_VALUE: Train drivers do not need a license or authorisation, they are hired and then trained for two years by the coming while working as assistants of train drivers. Regulation of the Rail Operation, Adopted, Title 6.3: https://portal.valec.gov.br/documentos/operacoes_ferroviarias/regimento_interno/ROF%20-%20Regulamento%20de%20Opera%C3%A7%C3%B5es%20Ferrovi%C3%A1ria%20%20-%20Revis%C3%A3o%2001.pdf