Carriage of dangerous goods is ranked into special transports sector, which subject are freights requiring specific conditions for packaging, handling, documentation or vehicles construction and equipment.
Such cargo includes items or substances of risk nature on physical or chemical features and all possible risks must therefore be eliminated beforehand.
It can be carried out on vehicles certified for that purpose and also approved by the Ministry of Transport. It is valid for one year and then must be renewed after passing ADR vehicle inspection.
Subsequently all the vehicles are divided into groups known as EXII, EXIII or MEMU per explosive substances and articles, as FL, OX or AT per carriage in tanks and transportation of packages and bulk.