What does a traffic signal displaying a solid red arrow mean?

Do not turn in the direction indicated by a solid red arrow. Come to a complete stop before entering the intersection. Do not proceed with the turn until the arrow changes to green or flashing yellow.

• Stop and proceed when it is safe to do so.
• Stop and do not turn in the direction indicated by the arrow until the arrow turns green.
• Turn slowly in the direction indicated by the arrow.
• None of the above.