U-turn dream meaning is explained below using 3 different sources. Each interpretation is shown with its source.

Interpretation 1 — Dr. Mıchael Lennox

Inherent in this maneuver is the option at any moment to reverse your direction and choose to go back the way you came. This is different from a standard turn because it implies returning to some point of origination. Look to see where in your life a choice that you made in your past is one that you wish you could unmake.
Source: Complete Dictionary of Dreams Author: Dr. Mıchael Lennox

Interpretation 2 — Vincent Wienand

1. Change of mind;

2. Disobedience;

3. Going back on your promise;

And if he sins against you seven times in a day, and seven time in a day returns to you, saying, ‘I repent,’ you shall forgive him. “Luke 17:4;

Source: Dream Dictionary The Biblical Model Author: Vincent Wienand

Interpretation 3 — Joan Seaman - Tom Philbin

1. Changing the direction of one’s life.

2. Seeing a no u sign indicates that one should continue on the same course.

3. A marker for a serious change in one’s life.

Source: New American Dream Dictionary Author: Joan Seaman - Tom Philbin