In a residential area when are U-turns permitted?

Question

Question: In a residential area when are U-turns permitted?

Options:

1.  At stop sign.
2.  at any time.
3.  at mid-block if there are no vehicles.
4.  none of the above

Answer 1

3. At mid-block if there are no vehicles.

In a residential area, U-turns permitted at mid-block if there are no vehicles.