A solid white line down the center of a two-lane road indicates:

White lines are used to separate traffic moving in the same direction. Solid lines indicate that drivers are not permitted to pass.

• Lanes are moving in opposite directions and drivers are not permitted to pass.
• Lanes are moving in opposite directions and drivers are permitted to pass when it is safe to do so.
• Lanes are moving in the same direction and drivers are not permitted to pass.
• Lanes are moving in the same direction and drivers are permitted to pass when it is safe to do so.