Definition
The tachograph is a mandatory recording device on heavy vehicles (trucks over 3,500 kg and buses over 9 seats) and professional transport. It records driving time, breaks, rest, speed and, on digital units, the driver card. It enforces EU rules on driving and rest times and lets traffic inspections verify legal limits.
Key facts
- Mandatory on vehicles >3,500 kg GVW and buses >9 seats (driver included).
- Records driving time, breaks, rest, speed and (digital) driver card.
- Max continuous driving: 4.5 hours, then a mandatory 45-minute break.
- Tampering with the tachograph is a criminal offence: €1,500 fine and 6 points.
Practice real questions on this topic
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In the DGT exam
- In a lorry, where is the electric retarder fitted?
- If you are not in a suitable condition to drive a C1 or C truck, you must: