An arrow painted on the pavement means:

An arrow painted on the pavement within a traffic lane indicates that drivers in the lane must make the movement indicated by the arrow. Drivers should follow directions given by any traffic signs or signals before proceeding in the direction indicated by the arrow.

• Drivers in the proper lane may make the movement indicated by the arrow, if they choose to do so.
• Drivers in the proper lane must make the movement indicated by the arrow, but only if traffic lights are not working.
• Drivers in the proper lane must always come to a complete stop before making the movement indicated by the arrow.
• Drivers in the proper lane must make the movement indicated by the arrow while following directions indicated by traffic signals.