During what time periods can a driver be tested for drugs at a road side checkpoint?

1. A.Only during daylight hours.
2. B.Only after an accident.
3. C.Only during night time hours.
4. D.Anytime of day or night.

This is an official-style question from the Safe and Responsible Driving topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.