[ This article was originally published here ] For drivers and fleet managers across the road transport sector, tachographs are an indispensable tool. Having originally been introduced to vehicles in 1953,digital/smarttachographs were used in over six million trucks and buses over the course of 2019. They are primarily used to log the activities of drivers, namely how far they have travelled, their speeds, and their non-driving activities, such as sleeping or taking a well-earned break.