Level of implementation of digital tachographs system in European Union

Tachograph is belonging to On Board Recording Devices. Their development has been beginning since before The Second World War. The flrst on board recording devices is analogue tachograph which obligatory to using to introduce in USA in 1939. This paper includes main rules of function of analogue tachograph and digital tachographs system using in road transport in European Union. According to new Commission Regulation (EC) No 1360/2002 of 13 June 2002 we present elements of an inspection system for recording data and identification of the system users. The tachograph 's cards, calibration of digital tachograph, running of authorized workshops and the requirements for authorized workshops, had been specified. Article presents also possibility of future requirements of digital tachograph and authorizes workshops in Poland and Union Europe base on Commission Regulation (EC) No 1360/2002 of 13 June 2002 replacing the Annex l B. Paper shows diagram of caliration of digital tachograph on road base, diagram of calibration of digital tachograph on work station as well as view of certificated vehicles unit -digital tachograph and view of cards in digital tachographs system in Poland. A characteristic feature of the digital tachograph is an integration of all users of the recording equipment in road transport. The users can be classified in four groups having different rights and obligations, which are presented in the article.