What colour traffic light comes on after the green?

1. A.Green arrow.
2. B.Red only.
3. C.Amber only.
4. D.Flashing amber.

This is an official-style question from the Legal Matters & Rules of the Road 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.