Correct answer: A. 70 metres.
The total minimum stopping distance of a vehicle depends on four things: Perception time, reaction time, the vehicle’s speed and the vehicle’s braking capability. The recommend minimum stopping distance of a car driving at 100 km/h under dry conditions is 70 metres.
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.
Practise the full question bank free →