What type of turn requires a wider space since no backing is involved?

The Mid-Block U Turn is the correct choice because this maneuver is designed to change direction effectively without the need for reversing the vehicle. A U-turn typically requires more space than a standard turn because it involves swinging the vehicle around in a full arc. This allows the driver to turn the vehicle to head in the opposite direction without needing to back up, which simplifies the process and enhances safety.

In contrast, other types of turns may involve backing up or executing tighter turns that do not necessarily require as much space. For instance, a Standard Turn is typically shorter and can be executed in tighter spaces where immediate direction changes are needed, which reduces the space required. The Back-to-Front Turn may involve more complex maneuvers including backing up, which may not necessitate a larger area. Finally, the term "Turning Circle" usually refers to the radius required for a vehicle to make a complete 360-degree turn, and while it indicates space needed, it does not specifically compare to the U-turn’s requirements in mid-block scenarios.