DGT Practice Test 23
30 official-format questions from the Spanish DGT theory bank, in English. Read every question below - each links to its full answer and explanation. Start the test to answer against the clock.
Reviewed on 7 Oct 2026
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The 30 questions in this test
- 1. What is the mandatory minimum lateral distance that must be kept when overtaking a cyclist or a moped outside built-up areas?
- 2. If a rear-facing child seat is placed in the front passenger seat, what must be done with the front airbag?
- 3. What are the three pillars of preventive driving?
- 4. What does the S-930 road sign mean?
- 5. What percentage of road accidents is attributed to human error, the problem ADAS aim to reduce?
- 6. When turning, what must a driver do if animals are crossing the road?
- 7. Why should any engine oil spill be cleaned up immediately?
- 8. How should a driver warn following vehicles when significantly reducing speed?
- 9. What does the S-250 road sign mean?
- 10. How should the engine oil level be checked with the dipstick?
- 11. As a general rule, is the use of acoustic signals (horn) permitted within built-up areas?
- 12. What does the R-513 road sign mean?
- 13. What does the S-960 road sign mean?
- 14. What does vehicle category "O" refer to?
- 15. What does the R-505 road sign mean?
- 16. What does the R-507 road sign mean?
- 17. What are the Low-Emission Zones (ZBE) that local councils can establish?
- 18. What does the S-266 road sign mean?
- 19. According to the latest National Toxicology Institute data, roughly what proportion of drivers killed in road accidents tested positive for illegal drugs?
- 20. What is a driver's normal reaction time?
- 21. What does the P-1c road sign mean?
- 22. What does the R-404 road sign mean?
- 23. What does the P-15a road sign mean?
- 24. A driver approaches a school bus that has stopped to drop off passengers. What should they do?
- 25. If the vehicle behind gets too close (tailgating you), what should you do?
- 26. In Spain, what is the leading cause of death among young people aged 15 to 29?
- 27. What does the S-32 road sign mean?
- 28. What does the R-201 road sign mean?
- 29. What does the R-106 road sign mean?
- 30. How many axles does a self-propelled construction machine have at minimum?