In this situation, are you prohibited from overtaking the vehicle in front of you on the right-hand side when driving on a one-way road outside a built-up area?

Explanation
Correct answer: No
No, on a one-way carriageway outside a built-up area there is no ban on overtaking on the right. The photo shows a multi-lane one-way carriageway with marked lanes. Under art. 24 para. 10 of the Road Traffic Act, overtaking on the right is allowed on a one-way carriageway with marked lanes.