Why is consuming drugs even just once, dangerous for driving on public roads?

The combination of answers correctly highlights the dangers of consuming drugs in relation to driving. According to German traffic laws, driving under the influence of drugs is strictly prohibited due to the significant risks it poses.

1. Being unfit to drive can arise from altered motor skills and decision-making abilities, which are critical for safe driving.
2. The intoxication state lasting for several hours means that even after the initial effects wear off, residual impairments can still affect a driver's performance.
3. Faulty perceptions, such as distorted vision or impaired judgment, can lead to accidents as the driver may misinterpret traffic signals or distances.

Together, these factors clearly illustrate the potential for hazardous situations on the road, which is why all points are essential for understanding the risks associated with drug use and driving. This understanding is critical for promoting road safety and adhering to traffic regulations in Germany.