Theory Mastery

Emergency vehicle: the signals decide

An emergency vehicle with priority is one that is using a blue rotating or flashing light and a two-tone horn; only then must you let it pass. It is not the organisation (police, fire brigade, ambulance) but the signals in use that determine the status.

Source: RVV 1990 art. 29 · checked 2026-10-23

How the exam asks it

At a junction in Rijswijk an ambulance approaches with its blue beacon on. You hear no siren. Must you give this ambulance priority?

  1. No, without the siren as well it is not a priority vehicle
  2. Yes, as an emergency service an ambulance is a priority vehicle
  3. Yes, the blue beacon makes it a priority vehicle
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Correct answer: No, without the siren as well it is not a priority vehicle

False — the signals decide, not the organisation. Only with blue light and two-tone siren together is a vehicle a priority vehicle, an ambulance included

Why learners get this wrong: Only police, fire brigade, and ambulance can be a priority vehicle.

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In a residential area in Vaassen a police car drives with its two-tone siren blaring. The blue beacon is broken and not lit. This police car is a priority vehicle you are obliged to make way for.

  1. True
  2. False
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Correct answer: False

False — a siren alone is not enough. A vehicle is only a priority vehicle when blue light and two-tone siren are on together; if the blue light is not lit, it is not one

Why learners get this wrong: A vehicle with only the two-tone siren on, without a blue beacon, is already a priority vehicle.

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At a junction in Capelle aan den IJssel an ambulance approaches with blue light and siren together. The traffic light is red for you and there is little room to move aside. What do you do?

  1. I stay at the red light and only look for a safe way to make room once I can do so without danger
  2. I carefully drive through the red light, because a priority vehicle must go first, no matter what
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Correct answer: I stay at the red light and only look for a safe way to make room once I can do so without danger

Why learners get this wrong: A priority vehicle may always go first, even if that causes danger, such as by driving through a red light.

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Which of the following vehicles can be a priority vehicle according to the book, provided they carry blue light + two-tone siren together (Book p.116)? Select all that apply.

  1. A fire engine
  2. An ambulance with only the blue light on, without a siren
  3. A police car
  4. A Rijkswaterstaat vehicle
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Correct answer: A fire engine; A police car; A Rijkswaterstaat vehicle

Why learners get this wrong: An ambulance with only the blue beacon on (no siren) is already a priority vehicle you must give way to.

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On the motorway near Rijssen a Rijkswaterstaat incident vehicle approaches with blue beacon and two-tone siren together. Is this a priority vehicle?

  1. Yes, both signals are present — the organisation does not matter
  2. No, only police, fire brigade, and ambulance count as a priority vehicle
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Correct answer: Yes, both signals are present — the organisation does not matter

Why learners get this wrong: Only police, fire brigade, and ambulance can be a priority vehicle.

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