Before revision: 250px| The Tachograph Chart250px| Analogue Tachograph 250px| Digital Tachograph 250px|German Driver Card, front side (2007)250px|German Driver Card, rear side A tachograph is a device fitted to a vehicle that automatically records its speed and distance, together with the driver's activity selected from a choice of modes.
After revision: 250px| The Tachograph Chart250px| Analogue Tachograph 250px| The Tachograph Chart A tachograph is a device fitted to a vehicle that automatically records its speed and distance, together with the driver's activity selected from a choice of modes.