Positioning to turn
To turn right you hug the right edge; to turn left, the left edge if the road is one-way.
- On a two-way road you position beside the centre line, without crossing into the other side.
Source: RGC art. 75.1
Tema 24: turning, U-turns and reversing in the DGT exam
Three manoeuvres with one shared duty: signal in advance and satisfy yourself you create no danger. The U-turn bans are the examinable part.
Reviewed on 11 October 2026 · sources: BOE and DGT
This tema asks how you turn, where U-turns are banned and when reversing is allowed.
- To turn right you hug the right edge; to turn left, the left edge if the road is one-way.
- Every manoeuvre is signalled in advance and requires you to check you create no danger. You must refrain from turning left if you do not have enough visibility.
- U-turns are banned at level crossings, in tunnels and underpasses. Also on motorways (autopistas) and dual carriageways (autovías), except at designated places.
- Reversing is allowed only when you cannot go forward or turn, and for the shortest distance possible. As part of another manoeuvre, the distance may not exceed 15 metres.
- Reversing is banned on motorways and dual carriageways.
Watch out: "no overtaking" implies "no U-turn".
In DrivingLingo: review the regulatory signs, tema 23 on overtaking, tema 26 on joining traffic and lateral movements and the .
Source: RGC arts. 74, 75, 79, 80.
Key rules of topic 24
No visibility, no turn
You must refrain from turning left if you do not have enough visibility.
- Every manoeuvre is signalled in advance and requires you to check you create no danger.
- Changing lane, you respect the priority of whoever is already in the lane you will take.
Source: RGC art. 74
Where no U-turn
U-turns are banned at level crossings, in tunnels and underpasses, on stretches with the tunnel sign, and on motorways except at designated places.
- Also on every stretch where overtaking is banned, unless expressly authorised.
- And in any situation that stops you checking that you create no danger.
Source: RGC art. 79.1
The fifteen metres
Reversing is allowed only when you cannot go forward or turn, and for the shortest distance possible.
- As part of stopping, parking or joining traffic, the distance may not exceed 15 metres.
- And it may never cross a junction.
Source: RGC art. 80.1 y 80.2
Reversing on a motorway
Reversing is banned on motorways and dual carriageways.
- If it amounts to driving against the established direction, it is a very serious offence.
- Missed your exit: carry on to the next one. There is no exception.
Source: RGC art. 80.3 y 80.4
How to do it
Reversing is done slowly, after signalling and checking for danger, even getting out or being guided by another person.
- If you cannot be sure, you abandon the manoeuvre.
Source: RGC art. 81
Learn the rule, then practise it
Study topic 24 step by step: the rule, its citation and exam-style questions.
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