On the A16 near Dordrecht the fixed round sign along the road shows '100'; at the same time the matrix sign above your lane shows '80' due to congestion further ahead. You are driving 90. What do you conclude?
- You are driving legally: the matrix sign is advice, the fixed sign counts
- ✓ You are driving too fast: of the two numbers the lowest applies, 80
- You are driving legally: as long as the fixed sign shows 100, you may do 100
Correct answer: You are driving too fast: of the two numbers the lowest applies, 80
Explanation
False — you let the fixed sign win because it is permanent. When a fixed sign and a matrix sign show a speed limit at the same time, the lowest applies, so here 80.
Why learners get this wrong
- Wrong: you see the matrix sign as advice. A speed on a matrix sign above your lane is a real speed limit; when a fixed sign and a matrix sign show a speed at the same time, the lowest applies.
- Wrong: you let the fixed sign win because it is permanent. When a fixed sign and a matrix sign show a speed limit at the same time, the lowest applies, so here 80.
Topic: Speed signs A: maximum, matrix sign, advisory and zone
Read the rule: Core: Speed signs A: maximum, matrix sign, advisory and zone
Sections
- Challenge: Speed signs A: maximum, matrix sign, advisory and zone
- The model: Speed signs A: maximum, matrix sign, advisory and zone
- Core: Speed signs A: maximum, matrix sign, advisory and zone
- Why it matters: Speed signs A: maximum, matrix sign, advisory and zone
- Active recall: Speed signs A: maximum, matrix sign, advisory and zone
- Teach back: Speed signs A: maximum, matrix sign, advisory and zone
- Memory hook: Speed signs A: maximum, matrix sign, advisory and zone