You may not complete a turnabout:

Question

If you intend to make a turnabout, you must first be sure that it is permitted in the area. Observe your surroundings and check for hills and curves, signs prohibiting turnabouts, double yellow lines, traffic, and visibility.

Accepted Answer

All of the above.

Answer

If it requires you to cross a double yellow line.

Answer

Where it may interfere with surrounding traffic.

Answer

Where hills and curves are nearby.