Ireland Driver Theory Test (Car, Category B)
Speed limits: practice questions
Our Ireland Driver Theory Test bank has 21 questions on this topic. Here are 4 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
What does an average speed camera measure?
- The average speed of all traffic that day
- Your speed only when you brake
- Your average speed between two points
- Your speed at one fixed point only
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C. Your average speed between two points — Average speed cameras time how long you take between two points and calculate your average speed, for example in the Dublin Port Tunnel.
Question 2
What does a speed limit sign tell you?
- The minimum speed for that road
- The average speed of traffic
- The speed you must keep to on that road
- The maximum legal speed, not a target
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D. The maximum legal speed, not a target — Signs show the maximum speed at which you may travel, not the required speed. You must still drive to the conditions.
Question 3
Is it legal to carry a device that detects speed monitoring equipment?
- Yes, but only on motorways
- Yes, as long as it was bought abroad
- Yes, as long as it is not switched on
- No, it is against the law
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D. No, it is against the law — It is against the law to supply, carry or use any device that detects or interferes with speed monitoring equipment.
Question 4
Which special speed limit is typically used in urban slow zones such as housing estates?
- 30 km/h
- 50 km/h
- 20 km/h
- 40 km/h
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A. 30 km/h — Slow zones in housing estates use a 30 km/h limit, usually with traffic calming such as speed bumps.