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Rule 123 Test

These questions are based on Highway Code Rule 123. There are 3 questions in this test. You need to answer 2 out of 3 to pass. Answers may be reviewed after each question or at the end of the test. Good luck!

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1. When must you not leave a vehicle engine running while stationary? Give one answer
A During a quick stop
B In a car park
C In a private driveway
D On a public road
Correct Answer: D On a public road
Explanation: You must not leave a vehicle engine running unnecessarily while stationary on a public road.
2. When is it permissible to leave the engine running if stationary? Give one answer
A Always
B In traffic or diagnosing faults
C When parked for a short time
D When waiting outside a building
Correct Answer: B In traffic or diagnosing faults
Explanation: It's permissible to leave the engine running if the vehicle is stationary in traffic or for diagnosing faults.
3. What is the speed limit for cars in built-up areas? Give one answer
A 30 mph (48 km/h)
B 40 mph (64 km/h)
C 50 mph (80 km/h)
D 60 mph (96 km/h)
Correct Answer: A 30 mph (48 km/h)
Explanation: The speed limit for cars in built-up areas is usually 30 mph (48 km/h).