Visibility and Road Hazards
Why is so-called "black ice" on the road especially dangerous?
Reviewed on 9 Aug 2026
- A Because it is dark and shiny
- ✓ Because it is almost invisible and reduces grip to almost zero
- C Because it only appears on motorways
- D Because it increases tyre grip
Why this is the correct answer
Black ice is dangerous because it is practically invisible: the road looks wet or normal, but is covered by a thin layer of transparent ice that reduces grip to almost zero.
More questions on Visibility and Road Hazards
- When driving over an area with loose gravel or unexpected potholes, what is the main risk?
- As a general safety rule, at what speed should you drive in relation to visibility?
- On a long, steep descent, what is the correct way to drive?
- Why must you respect the warning and speed-limit signs in hazardous areas?
- If visibility becomes dangerously low and you decide to leave the vehicle, what must you use?
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