This sign indicates…
A)the proximity of a place where you can change direction.
B)the direction that vehicles are obliged to follow.
C)the proximity of a place where a U-turn can be made at the same level.Correct
# Explanation
This traffic sign warns about the **proximity of a place where a change of direction at the same level is allowed**, that is, a place where you can turn 180 degrees to reverse your direction of travel. It is important to distinguish it from other signs that simply indicate changes of direction or permitted turns, since this one specifically and uniquely indicates places enabled for complete U-turns.