What traffic may use a contra-flow bus lane?

1. A.Buses, taxis and motorcycles.
2. B.Buses and motorised wheelchairs only.
3. C.Buses on a scheduled service.
4. D.Buses, taxis and cyclists.

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.